[FFmpeg-cvslog] r8941 - in trunk: libavcodec/Makefile libavcodec/aac_ac3_parser.c libavcodec/aac_ac3_parser.h libavcodec/aac_parser.c libavcodec/ac3_parser.c libavcodec/ac3_parser.h libavcodec/parser.c libavcodec/parser.h libavformat/raw.c

aurel subversion
Wed May 9 01:25:32 CEST 2007


Author: aurel
Date: Wed May  9 01:25:31 2007
New Revision: 8941

Log:
move aac and ac3 parsers in their own files

Added:
   trunk/libavcodec/aac_ac3_parser.c
      - copied, changed from r8939, /trunk/libavcodec/parser.c
   trunk/libavcodec/aac_ac3_parser.h
      - copied, changed from r8939, /trunk/libavcodec/parser.c
   trunk/libavcodec/aac_parser.c
      - copied, changed from r8939, /trunk/libavcodec/parser.c
   trunk/libavcodec/ac3_parser.c
      - copied, changed from r8939, /trunk/libavcodec/parser.c
   trunk/libavcodec/ac3_parser.h
      - copied, changed from r8939, /trunk/libavcodec/parser.h
Modified:
   trunk/libavcodec/Makefile
   trunk/libavcodec/parser.c
   trunk/libavcodec/parser.h
   trunk/libavformat/raw.c

Modified: trunk/libavcodec/Makefile
==============================================================================
--- trunk/libavcodec/Makefile	(original)
+++ trunk/libavcodec/Makefile	Wed May  9 01:25:31 2007
@@ -275,8 +275,8 @@ OBJS-$(CONFIG_X264)                    +
 OBJS-$(CONFIG_XVID)                    += xvidff.o xvid_rc.o
 
 
-OBJS-$(CONFIG_AAC_PARSER)              += parser.o
-OBJS-$(CONFIG_AC3_PARSER)              += ac3tab.o
+OBJS-$(CONFIG_AAC_PARSER)              += aac_parser.o aac_ac3_parser.o
+OBJS-$(CONFIG_AC3_PARSER)              += ac3_parser.o ac3tab.o aac_ac3_parser.o
 OBJS-$(CONFIG_CAVSVIDEO_PARSER)        += cavs.o
 OBJS-$(CONFIG_DCA_PARSER)              += dca_parser.o
 OBJS-$(CONFIG_DVBSUB_PARSER)           += dvbsub_parser.o

Copied: trunk/libavcodec/aac_ac3_parser.c (from r8939, /trunk/libavcodec/parser.c)
==============================================================================
--- /trunk/libavcodec/parser.c	(original)
+++ trunk/libavcodec/aac_ac3_parser.c	Wed May  9 01:25:31 2007
@@ -1,5 +1,5 @@
 /*
- * Audio and Video frame extraction
+ * Common AAC and AC3 parser
  * Copyright (c) 2003 Fabrice Bellard.
  * Copyright (c) 2003 Michael Niedermayer.
  *
@@ -19,511 +19,11 @@
  * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
-#include "avcodec.h"
-#include "mpegvideo.h"
-#include "mpegaudio.h"
-#include "parser.h"
-
-AVCodecParser *av_first_parser = NULL;
-
-void av_register_codec_parser(AVCodecParser *parser)
-{
-    parser->next = av_first_parser;
-    av_first_parser = parser;
-}
-
-AVCodecParserContext *av_parser_init(int codec_id)
-{
-    AVCodecParserContext *s;
-    AVCodecParser *parser;
-    int ret;
-
-    if(codec_id == CODEC_ID_NONE)
-        return NULL;
-
-    for(parser = av_first_parser; parser != NULL; parser = parser->next) {
-        if (parser->codec_ids[0] == codec_id ||
-            parser->codec_ids[1] == codec_id ||
-            parser->codec_ids[2] == codec_id ||
-            parser->codec_ids[3] == codec_id ||
-            parser->codec_ids[4] == codec_id)
-            goto found;
-    }
-    return NULL;
- found:
-    s = av_mallocz(sizeof(AVCodecParserContext));
-    if (!s)
-        return NULL;
-    s->parser = parser;
-    s->priv_data = av_mallocz(parser->priv_data_size);
-    if (!s->priv_data) {
-        av_free(s);
-        return NULL;
-    }
-    if (parser->parser_init) {
-        ret = parser->parser_init(s);
-        if (ret != 0) {
-            av_free(s->priv_data);
-            av_free(s);
-            return NULL;
-        }
-    }
-    s->fetch_timestamp=1;
-    s->pict_type = FF_I_TYPE;
-    return s;
-}
-
-/**
- *
- * @param buf           input
- * @param buf_size      input length, to signal EOF, this should be 0 (so that the last frame can be output)
- * @param pts           input presentation timestamp
- * @param dts           input decoding timestamp
- * @param poutbuf       will contain a pointer to the first byte of the output frame
- * @param poutbuf_size  will contain the length of the output frame
- * @return the number of bytes of the input bitstream used
- *
- * Example:
- * @code
- *   while(in_len){
- *       len = av_parser_parse(myparser, AVCodecContext, &data, &size,
- *                                       in_data, in_len,
- *                                       pts, dts);
- *       in_data += len;
- *       in_len  -= len;
- *
- *       if(size)
- *          decode_frame(data, size);
- *   }
- * @endcode
- */
-int av_parser_parse(AVCodecParserContext *s,
-                    AVCodecContext *avctx,
-                    uint8_t **poutbuf, int *poutbuf_size,
-                    const uint8_t *buf, int buf_size,
-                    int64_t pts, int64_t dts)
-{
-    int index, i, k;
-    uint8_t dummy_buf[FF_INPUT_BUFFER_PADDING_SIZE];
-
-    if (buf_size == 0) {
-        /* padding is always necessary even if EOF, so we add it here */
-        memset(dummy_buf, 0, sizeof(dummy_buf));
-        buf = dummy_buf;
-    } else {
-        /* add a new packet descriptor */
-        k = (s->cur_frame_start_index + 1) & (AV_PARSER_PTS_NB - 1);
-        s->cur_frame_start_index = k;
-        s->cur_frame_offset[k] = s->cur_offset;
-        s->cur_frame_pts[k] = pts;
-        s->cur_frame_dts[k] = dts;
-
-        /* fill first PTS/DTS */
-        if (s->fetch_timestamp){
-            s->fetch_timestamp=0;
-            s->last_pts = pts;
-            s->last_dts = dts;
-            s->last_offset = 0;
-            s->cur_frame_pts[k] =
-            s->cur_frame_dts[k] = AV_NOPTS_VALUE;
-        }
-    }
-
-    /* WARNING: the returned index can be negative */
-    index = s->parser->parser_parse(s, avctx, (const uint8_t **)poutbuf, poutbuf_size, buf, buf_size);
-//av_log(NULL, AV_LOG_DEBUG, "parser: in:%"PRId64", %"PRId64", out:%"PRId64", %"PRId64", in:%d out:%d id:%d\n", pts, dts, s->last_pts, s->last_dts, buf_size, *poutbuf_size, avctx->codec_id);
-    /* update the file pointer */
-    if (*poutbuf_size) {
-        /* fill the data for the current frame */
-        s->frame_offset = s->last_frame_offset;
-        s->pts = s->last_pts;
-        s->dts = s->last_dts;
-        s->offset = s->last_offset;
-
-        /* offset of the next frame */
-        s->last_frame_offset = s->cur_offset + index;
-        /* find the packet in which the new frame starts. It
-           is tricky because of MPEG video start codes
-           which can begin in one packet and finish in
-           another packet. In the worst case, an MPEG
-           video start code could be in 4 different
-           packets. */
-        k = s->cur_frame_start_index;
-        for(i = 0; i < AV_PARSER_PTS_NB; i++) {
-            if (s->last_frame_offset >= s->cur_frame_offset[k])
-                break;
-            k = (k - 1) & (AV_PARSER_PTS_NB - 1);
-        }
-
-        s->last_pts = s->cur_frame_pts[k];
-        s->last_dts = s->cur_frame_dts[k];
-        s->last_offset = s->last_frame_offset - s->cur_frame_offset[k];
-
-        /* some parsers tell us the packet size even before seeing the first byte of the next packet,
-           so the next pts/dts is in the next chunk */
-        if(index == buf_size){
-            s->fetch_timestamp=1;
-        }
-    }
-    if (index < 0)
-        index = 0;
-    s->cur_offset += index;
-    return index;
-}
-
-/**
- *
- * @return 0 if the output buffer is a subset of the input, 1 if it is allocated and must be freed
- * @deprecated use AVBitstreamFilter
- */
-int av_parser_change(AVCodecParserContext *s,
-                     AVCodecContext *avctx,
-                     uint8_t **poutbuf, int *poutbuf_size,
-                     const uint8_t *buf, int buf_size, int keyframe){
-
-    if(s && s->parser->split){
-        if((avctx->flags & CODEC_FLAG_GLOBAL_HEADER) || (avctx->flags2 & CODEC_FLAG2_LOCAL_HEADER)){
-            int i= s->parser->split(avctx, buf, buf_size);
-            buf += i;
-            buf_size -= i;
-        }
-    }
-
-    /* cast to avoid warning about discarding qualifiers */
-    *poutbuf= (uint8_t *) buf;
-    *poutbuf_size= buf_size;
-    if(avctx->extradata){
-        if(  (keyframe && (avctx->flags2 & CODEC_FLAG2_LOCAL_HEADER))
-            /*||(s->pict_type != I_TYPE && (s->flags & PARSER_FLAG_DUMP_EXTRADATA_AT_NOKEY))*/
-            /*||(? && (s->flags & PARSER_FLAG_DUMP_EXTRADATA_AT_BEGIN)*/){
-            int size= buf_size + avctx->extradata_size;
-            *poutbuf_size= size;
-            *poutbuf= av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
-
-            memcpy(*poutbuf, avctx->extradata, avctx->extradata_size);
-            memcpy((*poutbuf) + avctx->extradata_size, buf, buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
-            return 1;
-        }
-    }
-
-    return 0;
-}
-
-void av_parser_close(AVCodecParserContext *s)
-{
-    if (s->parser->parser_close)
-        s->parser->parser_close(s);
-    av_free(s->priv_data);
-    av_free(s);
-}
-
-/*****************************************************/
-
-/**
- * combines the (truncated) bitstream to a complete frame
- * @returns -1 if no complete frame could be created
- */
-int ff_combine_frame(ParseContext *pc, int next, const uint8_t **buf, int *buf_size)
-{
-#if 0
-    if(pc->overread){
-        printf("overread %d, state:%X next:%d index:%d o_index:%d\n", pc->overread, pc->state, next, pc->index, pc->overread_index);
-        printf("%X %X %X %X\n", (*buf)[0], (*buf)[1],(*buf)[2],(*buf)[3]);
-    }
-#endif
-
-    /* Copy overread bytes from last frame into buffer. */
-    for(; pc->overread>0; pc->overread--){
-        pc->buffer[pc->index++]= pc->buffer[pc->overread_index++];
-    }
-
-    /* flush remaining if EOF */
-    if(!*buf_size && next == END_NOT_FOUND){
-        next= 0;
-    }
-
-    pc->last_index= pc->index;
-
-    /* copy into buffer end return */
-    if(next == END_NOT_FOUND){
-        pc->buffer= av_fast_realloc(pc->buffer, &pc->buffer_size, (*buf_size) + pc->index + FF_INPUT_BUFFER_PADDING_SIZE);
-
-        memcpy(&pc->buffer[pc->index], *buf, *buf_size);
-        pc->index += *buf_size;
-        return -1;
-    }
-
-    *buf_size=
-    pc->overread_index= pc->index + next;
-
-    /* append to buffer */
-    if(pc->index){
-        pc->buffer= av_fast_realloc(pc->buffer, &pc->buffer_size, next + pc->index + FF_INPUT_BUFFER_PADDING_SIZE);
-
-        memcpy(&pc->buffer[pc->index], *buf, next + FF_INPUT_BUFFER_PADDING_SIZE );
-        pc->index = 0;
-        *buf= pc->buffer;
-    }
-
-    /* store overread bytes */
-    for(;next < 0; next++){
-        pc->state = (pc->state<<8) | pc->buffer[pc->last_index + next];
-        pc->overread++;
-    }
-
-#if 0
-    if(pc->overread){
-        printf("overread %d, state:%X next:%d index:%d o_index:%d\n", pc->overread, pc->state, next, pc->index, pc->overread_index);
-        printf("%X %X %X %X\n", (*buf)[0], (*buf)[1],(*buf)[2],(*buf)[3]);
-    }
-#endif
-
-    return 0;
-}
-
-void ff_parse_close(AVCodecParserContext *s)
-{
-    ParseContext *pc = s->priv_data;
-
-    av_free(pc->buffer);
-}
-
-void ff_parse1_close(AVCodecParserContext *s)
-{
-    ParseContext1 *pc1 = s->priv_data;
-
-    av_free(pc1->pc.buffer);
-    av_free(pc1->enc);
-}
-
-/*************************/
-
-int ff_mpeg4video_split(AVCodecContext *avctx,
-                           const uint8_t *buf, int buf_size)
-{
-    int i;
-    uint32_t state= -1;
-
-    for(i=0; i<buf_size; i++){
-        state= (state<<8) | buf[i];
-        if(state == 0x1B3 || state == 0x1B6)
-            return i-3;
-    }
-    return 0;
-}
-
-/*************************/
-
-#if defined(CONFIG_AC3_PARSER) || defined(CONFIG_AAC_PARSER)
-/* also used for ADTS AAC */
-typedef struct AC3ParseContext {
-    uint8_t *inbuf_ptr;
-    int frame_size;
-    int header_size;
-    int (*sync)(const uint8_t *buf, int *channels, int *sample_rate,
-                int *bit_rate, int *samples);
-    uint8_t inbuf[8192]; /* input buffer */
-} AC3ParseContext;
-
-#define AC3_HEADER_SIZE 7
-#define AAC_HEADER_SIZE 7
-
-#ifdef CONFIG_AC3_PARSER
-
-static const uint8_t eac3_blocks[4] = {
-    1, 2, 3, 6
-};
-
-#endif /* CONFIG_AC3_PARSER */
-
-#ifdef CONFIG_AAC_PARSER
-static const int aac_sample_rates[16] = {
-    96000, 88200, 64000, 48000, 44100, 32000,
-    24000, 22050, 16000, 12000, 11025, 8000, 7350
-};
-
-static const int aac_channels[8] = {
-    0, 1, 2, 3, 4, 5, 6, 8
-};
-#endif
-
-#ifdef CONFIG_AC3_PARSER
-int ff_ac3_parse_header(const uint8_t buf[7], AC3HeaderInfo *hdr)
-{
-    GetBitContext gbc;
-
-    memset(hdr, 0, sizeof(*hdr));
-
-    init_get_bits(&gbc, buf, 54);
-
-    hdr->sync_word = get_bits(&gbc, 16);
-    if(hdr->sync_word != 0x0B77)
-        return -1;
-
-    /* read ahead to bsid to make sure this is AC-3, not E-AC-3 */
-    hdr->bsid = show_bits_long(&gbc, 29) & 0x1F;
-    if(hdr->bsid > 10)
-        return -2;
-
-    hdr->crc1 = get_bits(&gbc, 16);
-    hdr->fscod = get_bits(&gbc, 2);
-    if(hdr->fscod == 3)
-        return -3;
-
-    hdr->frmsizecod = get_bits(&gbc, 6);
-    if(hdr->frmsizecod > 37)
-        return -4;
-
-    skip_bits(&gbc, 5); // skip bsid, already got it
-
-    hdr->bsmod = get_bits(&gbc, 3);
-    hdr->acmod = get_bits(&gbc, 3);
-    if((hdr->acmod & 1) && hdr->acmod != 1) {
-        hdr->cmixlev = get_bits(&gbc, 2);
-    }
-    if(hdr->acmod & 4) {
-        hdr->surmixlev = get_bits(&gbc, 2);
-    }
-    if(hdr->acmod == 2) {
-        hdr->dsurmod = get_bits(&gbc, 2);
-    }
-    hdr->lfeon = get_bits1(&gbc);
-
-    hdr->halfratecod = FFMAX(hdr->bsid, 8) - 8;
-    hdr->sample_rate = ff_ac3_freqs[hdr->fscod] >> hdr->halfratecod;
-    hdr->bit_rate = (ff_ac3_bitratetab[hdr->frmsizecod>>1] * 1000) >> hdr->halfratecod;
-    hdr->channels = ff_ac3_channels[hdr->acmod] + hdr->lfeon;
-    hdr->frame_size = ff_ac3_frame_sizes[hdr->frmsizecod][hdr->fscod] * 2;
-
-    return 0;
-}
-
-static int ac3_sync(const uint8_t *buf, int *channels, int *sample_rate,
-                    int *bit_rate, int *samples)
-{
-    int err;
-    unsigned int fscod, acmod, bsid, lfeon;
-    unsigned int strmtyp, substreamid, frmsiz, fscod2, numblkscod;
-    GetBitContext bits;
-    AC3HeaderInfo hdr;
-
-    err = ff_ac3_parse_header(buf, &hdr);
-
-    if(err < 0 && err != -2)
-        return 0;
-
-    bsid = hdr.bsid;
-    if(bsid <= 10) {             /* Normal AC-3 */
-        *sample_rate = hdr.sample_rate;
-        *bit_rate = hdr.bit_rate;
-        *channels = hdr.channels;
-        *samples = AC3_FRAME_SIZE;
-        return hdr.frame_size;
-    } else if (bsid > 10 && bsid <= 16) { /* Enhanced AC-3 */
-        init_get_bits(&bits, &buf[2], (AC3_HEADER_SIZE-2) * 8);
-        strmtyp = get_bits(&bits, 2);
-        substreamid = get_bits(&bits, 3);
-
-        if (strmtyp != 0 || substreamid != 0)
-            return 0;   /* Currently don't support additional streams */
-
-        frmsiz = get_bits(&bits, 11) + 1;
-        fscod = get_bits(&bits, 2);
-        if (fscod == 3) {
-            fscod2 = get_bits(&bits, 2);
-            numblkscod = 3;
-
-            if(fscod2 == 3)
-                return 0;
-
-            *sample_rate = ff_ac3_freqs[fscod2] / 2;
-        } else {
-            numblkscod = get_bits(&bits, 2);
-
-            *sample_rate = ff_ac3_freqs[fscod];
-        }
-
-        acmod = get_bits(&bits, 3);
-        lfeon = get_bits1(&bits);
-
-        *samples = eac3_blocks[numblkscod] * 256;
-        *bit_rate = frmsiz * (*sample_rate) * 16 / (*samples);
-        *channels = ff_ac3_channels[acmod] + lfeon;
-
-        return frmsiz * 2;
-    }
-
-    /* Unsupported bitstream version */
-    return 0;
-}
-#endif /* CONFIG_AC3_PARSER */
-
-#ifdef CONFIG_AAC_PARSER
-static int aac_sync(const uint8_t *buf, int *channels, int *sample_rate,
-                    int *bit_rate, int *samples)
-{
-    GetBitContext bits;
-    int size, rdb, ch, sr;
-
-    init_get_bits(&bits, buf, AAC_HEADER_SIZE * 8);
-
-    if(get_bits(&bits, 12) != 0xfff)
-        return 0;
-
-    skip_bits1(&bits);          /* id */
-    skip_bits(&bits, 2);        /* layer */
-    skip_bits1(&bits);          /* protection_absent */
-    skip_bits(&bits, 2);        /* profile_objecttype */
-    sr = get_bits(&bits, 4);    /* sample_frequency_index */
-    if(!aac_sample_rates[sr])
-        return 0;
-    skip_bits1(&bits);          /* private_bit */
-    ch = get_bits(&bits, 3);    /* channel_configuration */
-    if(!aac_channels[ch])
-        return 0;
-    skip_bits1(&bits);          /* original/copy */
-    skip_bits1(&bits);          /* home */
 
-    /* adts_variable_header */
-    skip_bits1(&bits);          /* copyright_identification_bit */
-    skip_bits1(&bits);          /* copyright_identification_start */
-    size = get_bits(&bits, 13); /* aac_frame_length */
-    skip_bits(&bits, 11);       /* adts_buffer_fullness */
-    rdb = get_bits(&bits, 2);   /* number_of_raw_data_blocks_in_frame */
-
-    *channels = aac_channels[ch];
-    *sample_rate = aac_sample_rates[sr];
-    *samples = (rdb + 1) * 1024;
-    *bit_rate = size * 8 * *sample_rate / *samples;
-
-    return size;
-}
-#endif /* CONFIG_AAC_PARSER */
-
-#ifdef CONFIG_AC3_PARSER
-static int ac3_parse_init(AVCodecParserContext *s1)
-{
-    AC3ParseContext *s = s1->priv_data;
-    s->inbuf_ptr = s->inbuf;
-    s->header_size = AC3_HEADER_SIZE;
-    s->sync = ac3_sync;
-    return 0;
-}
-#endif
-
-#ifdef CONFIG_AAC_PARSER
-static int aac_parse_init(AVCodecParserContext *s1)
-{
-    AC3ParseContext *s = s1->priv_data;
-    s->inbuf_ptr = s->inbuf;
-    s->header_size = AAC_HEADER_SIZE;
-    s->sync = aac_sync;
-    return 0;
-}
-#endif
+#include "parser.h"
+#include "aac_ac3_parser.h"
 
-/* also used for ADTS AAC */
-static int ac3_parse(AVCodecParserContext *s1,
+int ac3_parse(AVCodecParserContext *s1,
                      AVCodecContext *avctx,
                      const uint8_t **poutbuf, int *poutbuf_size,
                      const uint8_t *buf, int buf_size)
@@ -589,23 +89,3 @@ static int ac3_parse(AVCodecParserContex
     }
     return buf_ptr - buf;
 }
-#endif /* CONFIG_AC3_PARSER || CONFIG_AAC_PARSER */
-
-#ifdef CONFIG_AC3_PARSER
-AVCodecParser ac3_parser = {
-    { CODEC_ID_AC3 },
-    sizeof(AC3ParseContext),
-    ac3_parse_init,
-    ac3_parse,
-    NULL,
-};
-#endif
-#ifdef CONFIG_AAC_PARSER
-AVCodecParser aac_parser = {
-    { CODEC_ID_AAC },
-    sizeof(AC3ParseContext),
-    aac_parse_init,
-    ac3_parse,
-    NULL,
-};
-#endif

Copied: trunk/libavcodec/aac_ac3_parser.h (from r8939, /trunk/libavcodec/parser.c)
==============================================================================
--- /trunk/libavcodec/parser.c	(original)
+++ trunk/libavcodec/aac_ac3_parser.h	Wed May  9 01:25:31 2007
@@ -1,5 +1,5 @@
 /*
- * Audio and Video frame extraction
+ * Common AAC and AC3 parser prototypes
  * Copyright (c) 2003 Fabrice Bellard.
  * Copyright (c) 2003 Michael Niedermayer.
  *
@@ -19,303 +19,10 @@
  * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
-#include "avcodec.h"
-#include "mpegvideo.h"
-#include "mpegaudio.h"
-#include "parser.h"
-
-AVCodecParser *av_first_parser = NULL;
-
-void av_register_codec_parser(AVCodecParser *parser)
-{
-    parser->next = av_first_parser;
-    av_first_parser = parser;
-}
-
-AVCodecParserContext *av_parser_init(int codec_id)
-{
-    AVCodecParserContext *s;
-    AVCodecParser *parser;
-    int ret;
-
-    if(codec_id == CODEC_ID_NONE)
-        return NULL;
-
-    for(parser = av_first_parser; parser != NULL; parser = parser->next) {
-        if (parser->codec_ids[0] == codec_id ||
-            parser->codec_ids[1] == codec_id ||
-            parser->codec_ids[2] == codec_id ||
-            parser->codec_ids[3] == codec_id ||
-            parser->codec_ids[4] == codec_id)
-            goto found;
-    }
-    return NULL;
- found:
-    s = av_mallocz(sizeof(AVCodecParserContext));
-    if (!s)
-        return NULL;
-    s->parser = parser;
-    s->priv_data = av_mallocz(parser->priv_data_size);
-    if (!s->priv_data) {
-        av_free(s);
-        return NULL;
-    }
-    if (parser->parser_init) {
-        ret = parser->parser_init(s);
-        if (ret != 0) {
-            av_free(s->priv_data);
-            av_free(s);
-            return NULL;
-        }
-    }
-    s->fetch_timestamp=1;
-    s->pict_type = FF_I_TYPE;
-    return s;
-}
-
-/**
- *
- * @param buf           input
- * @param buf_size      input length, to signal EOF, this should be 0 (so that the last frame can be output)
- * @param pts           input presentation timestamp
- * @param dts           input decoding timestamp
- * @param poutbuf       will contain a pointer to the first byte of the output frame
- * @param poutbuf_size  will contain the length of the output frame
- * @return the number of bytes of the input bitstream used
- *
- * Example:
- * @code
- *   while(in_len){
- *       len = av_parser_parse(myparser, AVCodecContext, &data, &size,
- *                                       in_data, in_len,
- *                                       pts, dts);
- *       in_data += len;
- *       in_len  -= len;
- *
- *       if(size)
- *          decode_frame(data, size);
- *   }
- * @endcode
- */
-int av_parser_parse(AVCodecParserContext *s,
-                    AVCodecContext *avctx,
-                    uint8_t **poutbuf, int *poutbuf_size,
-                    const uint8_t *buf, int buf_size,
-                    int64_t pts, int64_t dts)
-{
-    int index, i, k;
-    uint8_t dummy_buf[FF_INPUT_BUFFER_PADDING_SIZE];
-
-    if (buf_size == 0) {
-        /* padding is always necessary even if EOF, so we add it here */
-        memset(dummy_buf, 0, sizeof(dummy_buf));
-        buf = dummy_buf;
-    } else {
-        /* add a new packet descriptor */
-        k = (s->cur_frame_start_index + 1) & (AV_PARSER_PTS_NB - 1);
-        s->cur_frame_start_index = k;
-        s->cur_frame_offset[k] = s->cur_offset;
-        s->cur_frame_pts[k] = pts;
-        s->cur_frame_dts[k] = dts;
-
-        /* fill first PTS/DTS */
-        if (s->fetch_timestamp){
-            s->fetch_timestamp=0;
-            s->last_pts = pts;
-            s->last_dts = dts;
-            s->last_offset = 0;
-            s->cur_frame_pts[k] =
-            s->cur_frame_dts[k] = AV_NOPTS_VALUE;
-        }
-    }
-
-    /* WARNING: the returned index can be negative */
-    index = s->parser->parser_parse(s, avctx, (const uint8_t **)poutbuf, poutbuf_size, buf, buf_size);
-//av_log(NULL, AV_LOG_DEBUG, "parser: in:%"PRId64", %"PRId64", out:%"PRId64", %"PRId64", in:%d out:%d id:%d\n", pts, dts, s->last_pts, s->last_dts, buf_size, *poutbuf_size, avctx->codec_id);
-    /* update the file pointer */
-    if (*poutbuf_size) {
-        /* fill the data for the current frame */
-        s->frame_offset = s->last_frame_offset;
-        s->pts = s->last_pts;
-        s->dts = s->last_dts;
-        s->offset = s->last_offset;
-
-        /* offset of the next frame */
-        s->last_frame_offset = s->cur_offset + index;
-        /* find the packet in which the new frame starts. It
-           is tricky because of MPEG video start codes
-           which can begin in one packet and finish in
-           another packet. In the worst case, an MPEG
-           video start code could be in 4 different
-           packets. */
-        k = s->cur_frame_start_index;
-        for(i = 0; i < AV_PARSER_PTS_NB; i++) {
-            if (s->last_frame_offset >= s->cur_frame_offset[k])
-                break;
-            k = (k - 1) & (AV_PARSER_PTS_NB - 1);
-        }
-
-        s->last_pts = s->cur_frame_pts[k];
-        s->last_dts = s->cur_frame_dts[k];
-        s->last_offset = s->last_frame_offset - s->cur_frame_offset[k];
-
-        /* some parsers tell us the packet size even before seeing the first byte of the next packet,
-           so the next pts/dts is in the next chunk */
-        if(index == buf_size){
-            s->fetch_timestamp=1;
-        }
-    }
-    if (index < 0)
-        index = 0;
-    s->cur_offset += index;
-    return index;
-}
-
-/**
- *
- * @return 0 if the output buffer is a subset of the input, 1 if it is allocated and must be freed
- * @deprecated use AVBitstreamFilter
- */
-int av_parser_change(AVCodecParserContext *s,
-                     AVCodecContext *avctx,
-                     uint8_t **poutbuf, int *poutbuf_size,
-                     const uint8_t *buf, int buf_size, int keyframe){
-
-    if(s && s->parser->split){
-        if((avctx->flags & CODEC_FLAG_GLOBAL_HEADER) || (avctx->flags2 & CODEC_FLAG2_LOCAL_HEADER)){
-            int i= s->parser->split(avctx, buf, buf_size);
-            buf += i;
-            buf_size -= i;
-        }
-    }
-
-    /* cast to avoid warning about discarding qualifiers */
-    *poutbuf= (uint8_t *) buf;
-    *poutbuf_size= buf_size;
-    if(avctx->extradata){
-        if(  (keyframe && (avctx->flags2 & CODEC_FLAG2_LOCAL_HEADER))
-            /*||(s->pict_type != I_TYPE && (s->flags & PARSER_FLAG_DUMP_EXTRADATA_AT_NOKEY))*/
-            /*||(? && (s->flags & PARSER_FLAG_DUMP_EXTRADATA_AT_BEGIN)*/){
-            int size= buf_size + avctx->extradata_size;
-            *poutbuf_size= size;
-            *poutbuf= av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
-
-            memcpy(*poutbuf, avctx->extradata, avctx->extradata_size);
-            memcpy((*poutbuf) + avctx->extradata_size, buf, buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
-            return 1;
-        }
-    }
-
-    return 0;
-}
-
-void av_parser_close(AVCodecParserContext *s)
-{
-    if (s->parser->parser_close)
-        s->parser->parser_close(s);
-    av_free(s->priv_data);
-    av_free(s);
-}
-
-/*****************************************************/
-
-/**
- * combines the (truncated) bitstream to a complete frame
- * @returns -1 if no complete frame could be created
- */
-int ff_combine_frame(ParseContext *pc, int next, const uint8_t **buf, int *buf_size)
-{
-#if 0
-    if(pc->overread){
-        printf("overread %d, state:%X next:%d index:%d o_index:%d\n", pc->overread, pc->state, next, pc->index, pc->overread_index);
-        printf("%X %X %X %X\n", (*buf)[0], (*buf)[1],(*buf)[2],(*buf)[3]);
-    }
-#endif
-
-    /* Copy overread bytes from last frame into buffer. */
-    for(; pc->overread>0; pc->overread--){
-        pc->buffer[pc->index++]= pc->buffer[pc->overread_index++];
-    }
 
-    /* flush remaining if EOF */
-    if(!*buf_size && next == END_NOT_FOUND){
-        next= 0;
-    }
-
-    pc->last_index= pc->index;
-
-    /* copy into buffer end return */
-    if(next == END_NOT_FOUND){
-        pc->buffer= av_fast_realloc(pc->buffer, &pc->buffer_size, (*buf_size) + pc->index + FF_INPUT_BUFFER_PADDING_SIZE);
-
-        memcpy(&pc->buffer[pc->index], *buf, *buf_size);
-        pc->index += *buf_size;
-        return -1;
-    }
-
-    *buf_size=
-    pc->overread_index= pc->index + next;
-
-    /* append to buffer */
-    if(pc->index){
-        pc->buffer= av_fast_realloc(pc->buffer, &pc->buffer_size, next + pc->index + FF_INPUT_BUFFER_PADDING_SIZE);
-
-        memcpy(&pc->buffer[pc->index], *buf, next + FF_INPUT_BUFFER_PADDING_SIZE );
-        pc->index = 0;
-        *buf= pc->buffer;
-    }
-
-    /* store overread bytes */
-    for(;next < 0; next++){
-        pc->state = (pc->state<<8) | pc->buffer[pc->last_index + next];
-        pc->overread++;
-    }
-
-#if 0
-    if(pc->overread){
-        printf("overread %d, state:%X next:%d index:%d o_index:%d\n", pc->overread, pc->state, next, pc->index, pc->overread_index);
-        printf("%X %X %X %X\n", (*buf)[0], (*buf)[1],(*buf)[2],(*buf)[3]);
-    }
-#endif
-
-    return 0;
-}
-
-void ff_parse_close(AVCodecParserContext *s)
-{
-    ParseContext *pc = s->priv_data;
-
-    av_free(pc->buffer);
-}
-
-void ff_parse1_close(AVCodecParserContext *s)
-{
-    ParseContext1 *pc1 = s->priv_data;
-
-    av_free(pc1->pc.buffer);
-    av_free(pc1->enc);
-}
-
-/*************************/
-
-int ff_mpeg4video_split(AVCodecContext *avctx,
-                           const uint8_t *buf, int buf_size)
-{
-    int i;
-    uint32_t state= -1;
-
-    for(i=0; i<buf_size; i++){
-        state= (state<<8) | buf[i];
-        if(state == 0x1B3 || state == 0x1B6)
-            return i-3;
-    }
-    return 0;
-}
-
-/*************************/
+#ifndef AAC_AC3_PARSER_H
+#define AAC_AC3_PARSER_H
 
-#if defined(CONFIG_AC3_PARSER) || defined(CONFIG_AAC_PARSER)
-/* also used for ADTS AAC */
 typedef struct AC3ParseContext {
     uint8_t *inbuf_ptr;
     int frame_size;
@@ -325,287 +32,9 @@ typedef struct AC3ParseContext {
     uint8_t inbuf[8192]; /* input buffer */
 } AC3ParseContext;
 
-#define AC3_HEADER_SIZE 7
-#define AAC_HEADER_SIZE 7
-
-#ifdef CONFIG_AC3_PARSER
-
-static const uint8_t eac3_blocks[4] = {
-    1, 2, 3, 6
-};
-
-#endif /* CONFIG_AC3_PARSER */
-
-#ifdef CONFIG_AAC_PARSER
-static const int aac_sample_rates[16] = {
-    96000, 88200, 64000, 48000, 44100, 32000,
-    24000, 22050, 16000, 12000, 11025, 8000, 7350
-};
-
-static const int aac_channels[8] = {
-    0, 1, 2, 3, 4, 5, 6, 8
-};
-#endif
-
-#ifdef CONFIG_AC3_PARSER
-int ff_ac3_parse_header(const uint8_t buf[7], AC3HeaderInfo *hdr)
-{
-    GetBitContext gbc;
-
-    memset(hdr, 0, sizeof(*hdr));
-
-    init_get_bits(&gbc, buf, 54);
-
-    hdr->sync_word = get_bits(&gbc, 16);
-    if(hdr->sync_word != 0x0B77)
-        return -1;
-
-    /* read ahead to bsid to make sure this is AC-3, not E-AC-3 */
-    hdr->bsid = show_bits_long(&gbc, 29) & 0x1F;
-    if(hdr->bsid > 10)
-        return -2;
-
-    hdr->crc1 = get_bits(&gbc, 16);
-    hdr->fscod = get_bits(&gbc, 2);
-    if(hdr->fscod == 3)
-        return -3;
-
-    hdr->frmsizecod = get_bits(&gbc, 6);
-    if(hdr->frmsizecod > 37)
-        return -4;
-
-    skip_bits(&gbc, 5); // skip bsid, already got it
-
-    hdr->bsmod = get_bits(&gbc, 3);
-    hdr->acmod = get_bits(&gbc, 3);
-    if((hdr->acmod & 1) && hdr->acmod != 1) {
-        hdr->cmixlev = get_bits(&gbc, 2);
-    }
-    if(hdr->acmod & 4) {
-        hdr->surmixlev = get_bits(&gbc, 2);
-    }
-    if(hdr->acmod == 2) {
-        hdr->dsurmod = get_bits(&gbc, 2);
-    }
-    hdr->lfeon = get_bits1(&gbc);
-
-    hdr->halfratecod = FFMAX(hdr->bsid, 8) - 8;
-    hdr->sample_rate = ff_ac3_freqs[hdr->fscod] >> hdr->halfratecod;
-    hdr->bit_rate = (ff_ac3_bitratetab[hdr->frmsizecod>>1] * 1000) >> hdr->halfratecod;
-    hdr->channels = ff_ac3_channels[hdr->acmod] + hdr->lfeon;
-    hdr->frame_size = ff_ac3_frame_sizes[hdr->frmsizecod][hdr->fscod] * 2;
-
-    return 0;
-}
-
-static int ac3_sync(const uint8_t *buf, int *channels, int *sample_rate,
-                    int *bit_rate, int *samples)
-{
-    int err;
-    unsigned int fscod, acmod, bsid, lfeon;
-    unsigned int strmtyp, substreamid, frmsiz, fscod2, numblkscod;
-    GetBitContext bits;
-    AC3HeaderInfo hdr;
-
-    err = ff_ac3_parse_header(buf, &hdr);
-
-    if(err < 0 && err != -2)
-        return 0;
-
-    bsid = hdr.bsid;
-    if(bsid <= 10) {             /* Normal AC-3 */
-        *sample_rate = hdr.sample_rate;
-        *bit_rate = hdr.bit_rate;
-        *channels = hdr.channels;
-        *samples = AC3_FRAME_SIZE;
-        return hdr.frame_size;
-    } else if (bsid > 10 && bsid <= 16) { /* Enhanced AC-3 */
-        init_get_bits(&bits, &buf[2], (AC3_HEADER_SIZE-2) * 8);
-        strmtyp = get_bits(&bits, 2);
-        substreamid = get_bits(&bits, 3);
-
-        if (strmtyp != 0 || substreamid != 0)
-            return 0;   /* Currently don't support additional streams */
-
-        frmsiz = get_bits(&bits, 11) + 1;
-        fscod = get_bits(&bits, 2);
-        if (fscod == 3) {
-            fscod2 = get_bits(&bits, 2);
-            numblkscod = 3;
-
-            if(fscod2 == 3)
-                return 0;
-
-            *sample_rate = ff_ac3_freqs[fscod2] / 2;
-        } else {
-            numblkscod = get_bits(&bits, 2);
-
-            *sample_rate = ff_ac3_freqs[fscod];
-        }
-
-        acmod = get_bits(&bits, 3);
-        lfeon = get_bits1(&bits);
-
-        *samples = eac3_blocks[numblkscod] * 256;
-        *bit_rate = frmsiz * (*sample_rate) * 16 / (*samples);
-        *channels = ff_ac3_channels[acmod] + lfeon;
-
-        return frmsiz * 2;
-    }
-
-    /* Unsupported bitstream version */
-    return 0;
-}
-#endif /* CONFIG_AC3_PARSER */
-
-#ifdef CONFIG_AAC_PARSER
-static int aac_sync(const uint8_t *buf, int *channels, int *sample_rate,
-                    int *bit_rate, int *samples)
-{
-    GetBitContext bits;
-    int size, rdb, ch, sr;
-
-    init_get_bits(&bits, buf, AAC_HEADER_SIZE * 8);
-
-    if(get_bits(&bits, 12) != 0xfff)
-        return 0;
-
-    skip_bits1(&bits);          /* id */
-    skip_bits(&bits, 2);        /* layer */
-    skip_bits1(&bits);          /* protection_absent */
-    skip_bits(&bits, 2);        /* profile_objecttype */
-    sr = get_bits(&bits, 4);    /* sample_frequency_index */
-    if(!aac_sample_rates[sr])
-        return 0;
-    skip_bits1(&bits);          /* private_bit */
-    ch = get_bits(&bits, 3);    /* channel_configuration */
-    if(!aac_channels[ch])
-        return 0;
-    skip_bits1(&bits);          /* original/copy */
-    skip_bits1(&bits);          /* home */
-
-    /* adts_variable_header */
-    skip_bits1(&bits);          /* copyright_identification_bit */
-    skip_bits1(&bits);          /* copyright_identification_start */
-    size = get_bits(&bits, 13); /* aac_frame_length */
-    skip_bits(&bits, 11);       /* adts_buffer_fullness */
-    rdb = get_bits(&bits, 2);   /* number_of_raw_data_blocks_in_frame */
-
-    *channels = aac_channels[ch];
-    *sample_rate = aac_sample_rates[sr];
-    *samples = (rdb + 1) * 1024;
-    *bit_rate = size * 8 * *sample_rate / *samples;
-
-    return size;
-}
-#endif /* CONFIG_AAC_PARSER */
-
-#ifdef CONFIG_AC3_PARSER
-static int ac3_parse_init(AVCodecParserContext *s1)
-{
-    AC3ParseContext *s = s1->priv_data;
-    s->inbuf_ptr = s->inbuf;
-    s->header_size = AC3_HEADER_SIZE;
-    s->sync = ac3_sync;
-    return 0;
-}
-#endif
-
-#ifdef CONFIG_AAC_PARSER
-static int aac_parse_init(AVCodecParserContext *s1)
-{
-    AC3ParseContext *s = s1->priv_data;
-    s->inbuf_ptr = s->inbuf;
-    s->header_size = AAC_HEADER_SIZE;
-    s->sync = aac_sync;
-    return 0;
-}
-#endif
-
-/* also used for ADTS AAC */
-static int ac3_parse(AVCodecParserContext *s1,
+int ac3_parse(AVCodecParserContext *s1,
                      AVCodecContext *avctx,
                      const uint8_t **poutbuf, int *poutbuf_size,
-                     const uint8_t *buf, int buf_size)
-{
-    AC3ParseContext *s = s1->priv_data;
-    const uint8_t *buf_ptr;
-    int len, sample_rate, bit_rate, channels, samples;
-
-    *poutbuf = NULL;
-    *poutbuf_size = 0;
-
-    buf_ptr = buf;
-    while (buf_size > 0) {
-        len = s->inbuf_ptr - s->inbuf;
-        if (s->frame_size == 0) {
-            /* no header seen : find one. We need at least s->header_size
-               bytes to parse it */
-            len = FFMIN(s->header_size - len, buf_size);
-
-            memcpy(s->inbuf_ptr, buf_ptr, len);
-            buf_ptr += len;
-            s->inbuf_ptr += len;
-            buf_size -= len;
-            if ((s->inbuf_ptr - s->inbuf) == s->header_size) {
-                len = s->sync(s->inbuf, &channels, &sample_rate, &bit_rate,
-                              &samples);
-                if (len == 0) {
-                    /* no sync found : move by one byte (inefficient, but simple!) */
-                    memmove(s->inbuf, s->inbuf + 1, s->header_size - 1);
-                    s->inbuf_ptr--;
-                } else {
-                    s->frame_size = len;
-                    /* update codec info */
-                    avctx->sample_rate = sample_rate;
-                    /* set channels,except if the user explicitly requests 1 or 2 channels, XXX/FIXME this is a bit ugly */
-                    if(avctx->codec_id == CODEC_ID_AC3){
-                        if(avctx->channels!=1 && avctx->channels!=2){
-                            avctx->channels = channels;
-                        }
-                    } else {
-                        avctx->channels = channels;
-                    }
-                    avctx->bit_rate = bit_rate;
-                    avctx->frame_size = samples;
-                }
-            }
-        } else {
-            len = FFMIN(s->frame_size - len, buf_size);
-
-            memcpy(s->inbuf_ptr, buf_ptr, len);
-            buf_ptr += len;
-            s->inbuf_ptr += len;
-            buf_size -= len;
-
-            if(s->inbuf_ptr - s->inbuf == s->frame_size){
-                *poutbuf = s->inbuf;
-                *poutbuf_size = s->frame_size;
-                s->inbuf_ptr = s->inbuf;
-                s->frame_size = 0;
-                break;
-            }
-        }
-    }
-    return buf_ptr - buf;
-}
-#endif /* CONFIG_AC3_PARSER || CONFIG_AAC_PARSER */
+                     const uint8_t *buf, int buf_size);
 
-#ifdef CONFIG_AC3_PARSER
-AVCodecParser ac3_parser = {
-    { CODEC_ID_AC3 },
-    sizeof(AC3ParseContext),
-    ac3_parse_init,
-    ac3_parse,
-    NULL,
-};
-#endif
-#ifdef CONFIG_AAC_PARSER
-AVCodecParser aac_parser = {
-    { CODEC_ID_AAC },
-    sizeof(AC3ParseContext),
-    aac_parse_init,
-    ac3_parse,
-    NULL,
-};
-#endif
+#endif /* AAC_AC3_PARSER_H */

Copied: trunk/libavcodec/aac_parser.c (from r8939, /trunk/libavcodec/parser.c)
==============================================================================
--- /trunk/libavcodec/parser.c	(original)
+++ trunk/libavcodec/aac_parser.c	Wed May  9 01:25:31 2007
@@ -19,324 +19,15 @@
  * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
-#include "avcodec.h"
-#include "mpegvideo.h"
-#include "mpegaudio.h"
-#include "parser.h"
-
-AVCodecParser *av_first_parser = NULL;
-
-void av_register_codec_parser(AVCodecParser *parser)
-{
-    parser->next = av_first_parser;
-    av_first_parser = parser;
-}
-
-AVCodecParserContext *av_parser_init(int codec_id)
-{
-    AVCodecParserContext *s;
-    AVCodecParser *parser;
-    int ret;
-
-    if(codec_id == CODEC_ID_NONE)
-        return NULL;
-
-    for(parser = av_first_parser; parser != NULL; parser = parser->next) {
-        if (parser->codec_ids[0] == codec_id ||
-            parser->codec_ids[1] == codec_id ||
-            parser->codec_ids[2] == codec_id ||
-            parser->codec_ids[3] == codec_id ||
-            parser->codec_ids[4] == codec_id)
-            goto found;
-    }
-    return NULL;
- found:
-    s = av_mallocz(sizeof(AVCodecParserContext));
-    if (!s)
-        return NULL;
-    s->parser = parser;
-    s->priv_data = av_mallocz(parser->priv_data_size);
-    if (!s->priv_data) {
-        av_free(s);
-        return NULL;
-    }
-    if (parser->parser_init) {
-        ret = parser->parser_init(s);
-        if (ret != 0) {
-            av_free(s->priv_data);
-            av_free(s);
-            return NULL;
-        }
-    }
-    s->fetch_timestamp=1;
-    s->pict_type = FF_I_TYPE;
-    return s;
-}
-
-/**
- *
- * @param buf           input
- * @param buf_size      input length, to signal EOF, this should be 0 (so that the last frame can be output)
- * @param pts           input presentation timestamp
- * @param dts           input decoding timestamp
- * @param poutbuf       will contain a pointer to the first byte of the output frame
- * @param poutbuf_size  will contain the length of the output frame
- * @return the number of bytes of the input bitstream used
- *
- * Example:
- * @code
- *   while(in_len){
- *       len = av_parser_parse(myparser, AVCodecContext, &data, &size,
- *                                       in_data, in_len,
- *                                       pts, dts);
- *       in_data += len;
- *       in_len  -= len;
- *
- *       if(size)
- *          decode_frame(data, size);
- *   }
- * @endcode
- */
-int av_parser_parse(AVCodecParserContext *s,
-                    AVCodecContext *avctx,
-                    uint8_t **poutbuf, int *poutbuf_size,
-                    const uint8_t *buf, int buf_size,
-                    int64_t pts, int64_t dts)
-{
-    int index, i, k;
-    uint8_t dummy_buf[FF_INPUT_BUFFER_PADDING_SIZE];
-
-    if (buf_size == 0) {
-        /* padding is always necessary even if EOF, so we add it here */
-        memset(dummy_buf, 0, sizeof(dummy_buf));
-        buf = dummy_buf;
-    } else {
-        /* add a new packet descriptor */
-        k = (s->cur_frame_start_index + 1) & (AV_PARSER_PTS_NB - 1);
-        s->cur_frame_start_index = k;
-        s->cur_frame_offset[k] = s->cur_offset;
-        s->cur_frame_pts[k] = pts;
-        s->cur_frame_dts[k] = dts;
-
-        /* fill first PTS/DTS */
-        if (s->fetch_timestamp){
-            s->fetch_timestamp=0;
-            s->last_pts = pts;
-            s->last_dts = dts;
-            s->last_offset = 0;
-            s->cur_frame_pts[k] =
-            s->cur_frame_dts[k] = AV_NOPTS_VALUE;
-        }
-    }
-
-    /* WARNING: the returned index can be negative */
-    index = s->parser->parser_parse(s, avctx, (const uint8_t **)poutbuf, poutbuf_size, buf, buf_size);
-//av_log(NULL, AV_LOG_DEBUG, "parser: in:%"PRId64", %"PRId64", out:%"PRId64", %"PRId64", in:%d out:%d id:%d\n", pts, dts, s->last_pts, s->last_dts, buf_size, *poutbuf_size, avctx->codec_id);
-    /* update the file pointer */
-    if (*poutbuf_size) {
-        /* fill the data for the current frame */
-        s->frame_offset = s->last_frame_offset;
-        s->pts = s->last_pts;
-        s->dts = s->last_dts;
-        s->offset = s->last_offset;
-
-        /* offset of the next frame */
-        s->last_frame_offset = s->cur_offset + index;
-        /* find the packet in which the new frame starts. It
-           is tricky because of MPEG video start codes
-           which can begin in one packet and finish in
-           another packet. In the worst case, an MPEG
-           video start code could be in 4 different
-           packets. */
-        k = s->cur_frame_start_index;
-        for(i = 0; i < AV_PARSER_PTS_NB; i++) {
-            if (s->last_frame_offset >= s->cur_frame_offset[k])
-                break;
-            k = (k - 1) & (AV_PARSER_PTS_NB - 1);
-        }
-
-        s->last_pts = s->cur_frame_pts[k];
-        s->last_dts = s->cur_frame_dts[k];
-        s->last_offset = s->last_frame_offset - s->cur_frame_offset[k];
-
-        /* some parsers tell us the packet size even before seeing the first byte of the next packet,
-           so the next pts/dts is in the next chunk */
-        if(index == buf_size){
-            s->fetch_timestamp=1;
-        }
-    }
-    if (index < 0)
-        index = 0;
-    s->cur_offset += index;
-    return index;
-}
-
-/**
- *
- * @return 0 if the output buffer is a subset of the input, 1 if it is allocated and must be freed
- * @deprecated use AVBitstreamFilter
- */
-int av_parser_change(AVCodecParserContext *s,
-                     AVCodecContext *avctx,
-                     uint8_t **poutbuf, int *poutbuf_size,
-                     const uint8_t *buf, int buf_size, int keyframe){
-
-    if(s && s->parser->split){
-        if((avctx->flags & CODEC_FLAG_GLOBAL_HEADER) || (avctx->flags2 & CODEC_FLAG2_LOCAL_HEADER)){
-            int i= s->parser->split(avctx, buf, buf_size);
-            buf += i;
-            buf_size -= i;
-        }
-    }
-
-    /* cast to avoid warning about discarding qualifiers */
-    *poutbuf= (uint8_t *) buf;
-    *poutbuf_size= buf_size;
-    if(avctx->extradata){
-        if(  (keyframe && (avctx->flags2 & CODEC_FLAG2_LOCAL_HEADER))
-            /*||(s->pict_type != I_TYPE && (s->flags & PARSER_FLAG_DUMP_EXTRADATA_AT_NOKEY))*/
-            /*||(? && (s->flags & PARSER_FLAG_DUMP_EXTRADATA_AT_BEGIN)*/){
-            int size= buf_size + avctx->extradata_size;
-            *poutbuf_size= size;
-            *poutbuf= av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
-
-            memcpy(*poutbuf, avctx->extradata, avctx->extradata_size);
-            memcpy((*poutbuf) + avctx->extradata_size, buf, buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
-            return 1;
-        }
-    }
-
-    return 0;
-}
-
-void av_parser_close(AVCodecParserContext *s)
-{
-    if (s->parser->parser_close)
-        s->parser->parser_close(s);
-    av_free(s->priv_data);
-    av_free(s);
-}
-
-/*****************************************************/
-
-/**
- * combines the (truncated) bitstream to a complete frame
- * @returns -1 if no complete frame could be created
- */
-int ff_combine_frame(ParseContext *pc, int next, const uint8_t **buf, int *buf_size)
-{
-#if 0
-    if(pc->overread){
-        printf("overread %d, state:%X next:%d index:%d o_index:%d\n", pc->overread, pc->state, next, pc->index, pc->overread_index);
-        printf("%X %X %X %X\n", (*buf)[0], (*buf)[1],(*buf)[2],(*buf)[3]);
-    }
-#endif
-
-    /* Copy overread bytes from last frame into buffer. */
-    for(; pc->overread>0; pc->overread--){
-        pc->buffer[pc->index++]= pc->buffer[pc->overread_index++];
-    }
-
-    /* flush remaining if EOF */
-    if(!*buf_size && next == END_NOT_FOUND){
-        next= 0;
-    }
-
-    pc->last_index= pc->index;
-
-    /* copy into buffer end return */
-    if(next == END_NOT_FOUND){
-        pc->buffer= av_fast_realloc(pc->buffer, &pc->buffer_size, (*buf_size) + pc->index + FF_INPUT_BUFFER_PADDING_SIZE);
-
-        memcpy(&pc->buffer[pc->index], *buf, *buf_size);
-        pc->index += *buf_size;
-        return -1;
-    }
-
-    *buf_size=
-    pc->overread_index= pc->index + next;
-
-    /* append to buffer */
-    if(pc->index){
-        pc->buffer= av_fast_realloc(pc->buffer, &pc->buffer_size, next + pc->index + FF_INPUT_BUFFER_PADDING_SIZE);
-
-        memcpy(&pc->buffer[pc->index], *buf, next + FF_INPUT_BUFFER_PADDING_SIZE );
-        pc->index = 0;
-        *buf= pc->buffer;
-    }
-
-    /* store overread bytes */
-    for(;next < 0; next++){
-        pc->state = (pc->state<<8) | pc->buffer[pc->last_index + next];
-        pc->overread++;
-    }
-
-#if 0
-    if(pc->overread){
-        printf("overread %d, state:%X next:%d index:%d o_index:%d\n", pc->overread, pc->state, next, pc->index, pc->overread_index);
-        printf("%X %X %X %X\n", (*buf)[0], (*buf)[1],(*buf)[2],(*buf)[3]);
-    }
-#endif
-
-    return 0;
-}
-
-void ff_parse_close(AVCodecParserContext *s)
-{
-    ParseContext *pc = s->priv_data;
 
-    av_free(pc->buffer);
-}
-
-void ff_parse1_close(AVCodecParserContext *s)
-{
-    ParseContext1 *pc1 = s->priv_data;
-
-    av_free(pc1->pc.buffer);
-    av_free(pc1->enc);
-}
-
-/*************************/
-
-int ff_mpeg4video_split(AVCodecContext *avctx,
-                           const uint8_t *buf, int buf_size)
-{
-    int i;
-    uint32_t state= -1;
-
-    for(i=0; i<buf_size; i++){
-        state= (state<<8) | buf[i];
-        if(state == 0x1B3 || state == 0x1B6)
-            return i-3;
-    }
-    return 0;
-}
-
-/*************************/
+#include "parser.h"
+#include "aac_ac3_parser.h"
+#include "bitstream.h"
 
-#if defined(CONFIG_AC3_PARSER) || defined(CONFIG_AAC_PARSER)
-/* also used for ADTS AAC */
-typedef struct AC3ParseContext {
-    uint8_t *inbuf_ptr;
-    int frame_size;
-    int header_size;
-    int (*sync)(const uint8_t *buf, int *channels, int *sample_rate,
-                int *bit_rate, int *samples);
-    uint8_t inbuf[8192]; /* input buffer */
-} AC3ParseContext;
 
-#define AC3_HEADER_SIZE 7
 #define AAC_HEADER_SIZE 7
 
-#ifdef CONFIG_AC3_PARSER
-
-static const uint8_t eac3_blocks[4] = {
-    1, 2, 3, 6
-};
-
-#endif /* CONFIG_AC3_PARSER */
 
-#ifdef CONFIG_AAC_PARSER
 static const int aac_sample_rates[16] = {
     96000, 88200, 64000, 48000, 44100, 32000,
     24000, 22050, 16000, 12000, 11025, 8000, 7350
@@ -345,120 +36,8 @@ static const int aac_sample_rates[16] = 
 static const int aac_channels[8] = {
     0, 1, 2, 3, 4, 5, 6, 8
 };
-#endif
-
-#ifdef CONFIG_AC3_PARSER
-int ff_ac3_parse_header(const uint8_t buf[7], AC3HeaderInfo *hdr)
-{
-    GetBitContext gbc;
-
-    memset(hdr, 0, sizeof(*hdr));
-
-    init_get_bits(&gbc, buf, 54);
-
-    hdr->sync_word = get_bits(&gbc, 16);
-    if(hdr->sync_word != 0x0B77)
-        return -1;
-
-    /* read ahead to bsid to make sure this is AC-3, not E-AC-3 */
-    hdr->bsid = show_bits_long(&gbc, 29) & 0x1F;
-    if(hdr->bsid > 10)
-        return -2;
-
-    hdr->crc1 = get_bits(&gbc, 16);
-    hdr->fscod = get_bits(&gbc, 2);
-    if(hdr->fscod == 3)
-        return -3;
-
-    hdr->frmsizecod = get_bits(&gbc, 6);
-    if(hdr->frmsizecod > 37)
-        return -4;
-
-    skip_bits(&gbc, 5); // skip bsid, already got it
-
-    hdr->bsmod = get_bits(&gbc, 3);
-    hdr->acmod = get_bits(&gbc, 3);
-    if((hdr->acmod & 1) && hdr->acmod != 1) {
-        hdr->cmixlev = get_bits(&gbc, 2);
-    }
-    if(hdr->acmod & 4) {
-        hdr->surmixlev = get_bits(&gbc, 2);
-    }
-    if(hdr->acmod == 2) {
-        hdr->dsurmod = get_bits(&gbc, 2);
-    }
-    hdr->lfeon = get_bits1(&gbc);
-
-    hdr->halfratecod = FFMAX(hdr->bsid, 8) - 8;
-    hdr->sample_rate = ff_ac3_freqs[hdr->fscod] >> hdr->halfratecod;
-    hdr->bit_rate = (ff_ac3_bitratetab[hdr->frmsizecod>>1] * 1000) >> hdr->halfratecod;
-    hdr->channels = ff_ac3_channels[hdr->acmod] + hdr->lfeon;
-    hdr->frame_size = ff_ac3_frame_sizes[hdr->frmsizecod][hdr->fscod] * 2;
-
-    return 0;
-}
-
-static int ac3_sync(const uint8_t *buf, int *channels, int *sample_rate,
-                    int *bit_rate, int *samples)
-{
-    int err;
-    unsigned int fscod, acmod, bsid, lfeon;
-    unsigned int strmtyp, substreamid, frmsiz, fscod2, numblkscod;
-    GetBitContext bits;
-    AC3HeaderInfo hdr;
-
-    err = ff_ac3_parse_header(buf, &hdr);
-
-    if(err < 0 && err != -2)
-        return 0;
-
-    bsid = hdr.bsid;
-    if(bsid <= 10) {             /* Normal AC-3 */
-        *sample_rate = hdr.sample_rate;
-        *bit_rate = hdr.bit_rate;
-        *channels = hdr.channels;
-        *samples = AC3_FRAME_SIZE;
-        return hdr.frame_size;
-    } else if (bsid > 10 && bsid <= 16) { /* Enhanced AC-3 */
-        init_get_bits(&bits, &buf[2], (AC3_HEADER_SIZE-2) * 8);
-        strmtyp = get_bits(&bits, 2);
-        substreamid = get_bits(&bits, 3);
 
-        if (strmtyp != 0 || substreamid != 0)
-            return 0;   /* Currently don't support additional streams */
 
-        frmsiz = get_bits(&bits, 11) + 1;
-        fscod = get_bits(&bits, 2);
-        if (fscod == 3) {
-            fscod2 = get_bits(&bits, 2);
-            numblkscod = 3;
-
-            if(fscod2 == 3)
-                return 0;
-
-            *sample_rate = ff_ac3_freqs[fscod2] / 2;
-        } else {
-            numblkscod = get_bits(&bits, 2);
-
-            *sample_rate = ff_ac3_freqs[fscod];
-        }
-
-        acmod = get_bits(&bits, 3);
-        lfeon = get_bits1(&bits);
-
-        *samples = eac3_blocks[numblkscod] * 256;
-        *bit_rate = frmsiz * (*sample_rate) * 16 / (*samples);
-        *channels = ff_ac3_channels[acmod] + lfeon;
-
-        return frmsiz * 2;
-    }
-
-    /* Unsupported bitstream version */
-    return 0;
-}
-#endif /* CONFIG_AC3_PARSER */
-
-#ifdef CONFIG_AAC_PARSER
 static int aac_sync(const uint8_t *buf, int *channels, int *sample_rate,
                     int *bit_rate, int *samples)
 {
@@ -498,20 +77,7 @@ static int aac_sync(const uint8_t *buf, 
 
     return size;
 }
-#endif /* CONFIG_AAC_PARSER */
-
-#ifdef CONFIG_AC3_PARSER
-static int ac3_parse_init(AVCodecParserContext *s1)
-{
-    AC3ParseContext *s = s1->priv_data;
-    s->inbuf_ptr = s->inbuf;
-    s->header_size = AC3_HEADER_SIZE;
-    s->sync = ac3_sync;
-    return 0;
-}
-#endif
 
-#ifdef CONFIG_AAC_PARSER
 static int aac_parse_init(AVCodecParserContext *s1)
 {
     AC3ParseContext *s = s1->priv_data;
@@ -520,87 +86,8 @@ static int aac_parse_init(AVCodecParserC
     s->sync = aac_sync;
     return 0;
 }
-#endif
-
-/* also used for ADTS AAC */
-static int ac3_parse(AVCodecParserContext *s1,
-                     AVCodecContext *avctx,
-                     const uint8_t **poutbuf, int *poutbuf_size,
-                     const uint8_t *buf, int buf_size)
-{
-    AC3ParseContext *s = s1->priv_data;
-    const uint8_t *buf_ptr;
-    int len, sample_rate, bit_rate, channels, samples;
-
-    *poutbuf = NULL;
-    *poutbuf_size = 0;
-
-    buf_ptr = buf;
-    while (buf_size > 0) {
-        len = s->inbuf_ptr - s->inbuf;
-        if (s->frame_size == 0) {
-            /* no header seen : find one. We need at least s->header_size
-               bytes to parse it */
-            len = FFMIN(s->header_size - len, buf_size);
 
-            memcpy(s->inbuf_ptr, buf_ptr, len);
-            buf_ptr += len;
-            s->inbuf_ptr += len;
-            buf_size -= len;
-            if ((s->inbuf_ptr - s->inbuf) == s->header_size) {
-                len = s->sync(s->inbuf, &channels, &sample_rate, &bit_rate,
-                              &samples);
-                if (len == 0) {
-                    /* no sync found : move by one byte (inefficient, but simple!) */
-                    memmove(s->inbuf, s->inbuf + 1, s->header_size - 1);
-                    s->inbuf_ptr--;
-                } else {
-                    s->frame_size = len;
-                    /* update codec info */
-                    avctx->sample_rate = sample_rate;
-                    /* set channels,except if the user explicitly requests 1 or 2 channels, XXX/FIXME this is a bit ugly */
-                    if(avctx->codec_id == CODEC_ID_AC3){
-                        if(avctx->channels!=1 && avctx->channels!=2){
-                            avctx->channels = channels;
-                        }
-                    } else {
-                        avctx->channels = channels;
-                    }
-                    avctx->bit_rate = bit_rate;
-                    avctx->frame_size = samples;
-                }
-            }
-        } else {
-            len = FFMIN(s->frame_size - len, buf_size);
-
-            memcpy(s->inbuf_ptr, buf_ptr, len);
-            buf_ptr += len;
-            s->inbuf_ptr += len;
-            buf_size -= len;
-
-            if(s->inbuf_ptr - s->inbuf == s->frame_size){
-                *poutbuf = s->inbuf;
-                *poutbuf_size = s->frame_size;
-                s->inbuf_ptr = s->inbuf;
-                s->frame_size = 0;
-                break;
-            }
-        }
-    }
-    return buf_ptr - buf;
-}
-#endif /* CONFIG_AC3_PARSER || CONFIG_AAC_PARSER */
 
-#ifdef CONFIG_AC3_PARSER
-AVCodecParser ac3_parser = {
-    { CODEC_ID_AC3 },
-    sizeof(AC3ParseContext),
-    ac3_parse_init,
-    ac3_parse,
-    NULL,
-};
-#endif
-#ifdef CONFIG_AAC_PARSER
 AVCodecParser aac_parser = {
     { CODEC_ID_AAC },
     sizeof(AC3ParseContext),
@@ -608,4 +95,3 @@ AVCodecParser aac_parser = {
     ac3_parse,
     NULL,
 };
-#endif

Copied: trunk/libavcodec/ac3_parser.c (from r8939, /trunk/libavcodec/parser.c)
==============================================================================
--- /trunk/libavcodec/parser.c	(original)
+++ trunk/libavcodec/ac3_parser.c	Wed May  9 01:25:31 2007
@@ -1,5 +1,5 @@
 /*
- * Audio and Video frame extraction
+ * AC3 parser
  * Copyright (c) 2003 Fabrice Bellard.
  * Copyright (c) 2003 Michael Niedermayer.
  *
@@ -19,335 +19,21 @@
  * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
-#include "avcodec.h"
-#include "mpegvideo.h"
-#include "mpegaudio.h"
-#include "parser.h"
-
-AVCodecParser *av_first_parser = NULL;
-
-void av_register_codec_parser(AVCodecParser *parser)
-{
-    parser->next = av_first_parser;
-    av_first_parser = parser;
-}
-
-AVCodecParserContext *av_parser_init(int codec_id)
-{
-    AVCodecParserContext *s;
-    AVCodecParser *parser;
-    int ret;
-
-    if(codec_id == CODEC_ID_NONE)
-        return NULL;
-
-    for(parser = av_first_parser; parser != NULL; parser = parser->next) {
-        if (parser->codec_ids[0] == codec_id ||
-            parser->codec_ids[1] == codec_id ||
-            parser->codec_ids[2] == codec_id ||
-            parser->codec_ids[3] == codec_id ||
-            parser->codec_ids[4] == codec_id)
-            goto found;
-    }
-    return NULL;
- found:
-    s = av_mallocz(sizeof(AVCodecParserContext));
-    if (!s)
-        return NULL;
-    s->parser = parser;
-    s->priv_data = av_mallocz(parser->priv_data_size);
-    if (!s->priv_data) {
-        av_free(s);
-        return NULL;
-    }
-    if (parser->parser_init) {
-        ret = parser->parser_init(s);
-        if (ret != 0) {
-            av_free(s->priv_data);
-            av_free(s);
-            return NULL;
-        }
-    }
-    s->fetch_timestamp=1;
-    s->pict_type = FF_I_TYPE;
-    return s;
-}
-
-/**
- *
- * @param buf           input
- * @param buf_size      input length, to signal EOF, this should be 0 (so that the last frame can be output)
- * @param pts           input presentation timestamp
- * @param dts           input decoding timestamp
- * @param poutbuf       will contain a pointer to the first byte of the output frame
- * @param poutbuf_size  will contain the length of the output frame
- * @return the number of bytes of the input bitstream used
- *
- * Example:
- * @code
- *   while(in_len){
- *       len = av_parser_parse(myparser, AVCodecContext, &data, &size,
- *                                       in_data, in_len,
- *                                       pts, dts);
- *       in_data += len;
- *       in_len  -= len;
- *
- *       if(size)
- *          decode_frame(data, size);
- *   }
- * @endcode
- */
-int av_parser_parse(AVCodecParserContext *s,
-                    AVCodecContext *avctx,
-                    uint8_t **poutbuf, int *poutbuf_size,
-                    const uint8_t *buf, int buf_size,
-                    int64_t pts, int64_t dts)
-{
-    int index, i, k;
-    uint8_t dummy_buf[FF_INPUT_BUFFER_PADDING_SIZE];
-
-    if (buf_size == 0) {
-        /* padding is always necessary even if EOF, so we add it here */
-        memset(dummy_buf, 0, sizeof(dummy_buf));
-        buf = dummy_buf;
-    } else {
-        /* add a new packet descriptor */
-        k = (s->cur_frame_start_index + 1) & (AV_PARSER_PTS_NB - 1);
-        s->cur_frame_start_index = k;
-        s->cur_frame_offset[k] = s->cur_offset;
-        s->cur_frame_pts[k] = pts;
-        s->cur_frame_dts[k] = dts;
-
-        /* fill first PTS/DTS */
-        if (s->fetch_timestamp){
-            s->fetch_timestamp=0;
-            s->last_pts = pts;
-            s->last_dts = dts;
-            s->last_offset = 0;
-            s->cur_frame_pts[k] =
-            s->cur_frame_dts[k] = AV_NOPTS_VALUE;
-        }
-    }
-
-    /* WARNING: the returned index can be negative */
-    index = s->parser->parser_parse(s, avctx, (const uint8_t **)poutbuf, poutbuf_size, buf, buf_size);
-//av_log(NULL, AV_LOG_DEBUG, "parser: in:%"PRId64", %"PRId64", out:%"PRId64", %"PRId64", in:%d out:%d id:%d\n", pts, dts, s->last_pts, s->last_dts, buf_size, *poutbuf_size, avctx->codec_id);
-    /* update the file pointer */
-    if (*poutbuf_size) {
-        /* fill the data for the current frame */
-        s->frame_offset = s->last_frame_offset;
-        s->pts = s->last_pts;
-        s->dts = s->last_dts;
-        s->offset = s->last_offset;
-
-        /* offset of the next frame */
-        s->last_frame_offset = s->cur_offset + index;
-        /* find the packet in which the new frame starts. It
-           is tricky because of MPEG video start codes
-           which can begin in one packet and finish in
-           another packet. In the worst case, an MPEG
-           video start code could be in 4 different
-           packets. */
-        k = s->cur_frame_start_index;
-        for(i = 0; i < AV_PARSER_PTS_NB; i++) {
-            if (s->last_frame_offset >= s->cur_frame_offset[k])
-                break;
-            k = (k - 1) & (AV_PARSER_PTS_NB - 1);
-        }
-
-        s->last_pts = s->cur_frame_pts[k];
-        s->last_dts = s->cur_frame_dts[k];
-        s->last_offset = s->last_frame_offset - s->cur_frame_offset[k];
-
-        /* some parsers tell us the packet size even before seeing the first byte of the next packet,
-           so the next pts/dts is in the next chunk */
-        if(index == buf_size){
-            s->fetch_timestamp=1;
-        }
-    }
-    if (index < 0)
-        index = 0;
-    s->cur_offset += index;
-    return index;
-}
-
-/**
- *
- * @return 0 if the output buffer is a subset of the input, 1 if it is allocated and must be freed
- * @deprecated use AVBitstreamFilter
- */
-int av_parser_change(AVCodecParserContext *s,
-                     AVCodecContext *avctx,
-                     uint8_t **poutbuf, int *poutbuf_size,
-                     const uint8_t *buf, int buf_size, int keyframe){
-
-    if(s && s->parser->split){
-        if((avctx->flags & CODEC_FLAG_GLOBAL_HEADER) || (avctx->flags2 & CODEC_FLAG2_LOCAL_HEADER)){
-            int i= s->parser->split(avctx, buf, buf_size);
-            buf += i;
-            buf_size -= i;
-        }
-    }
-
-    /* cast to avoid warning about discarding qualifiers */
-    *poutbuf= (uint8_t *) buf;
-    *poutbuf_size= buf_size;
-    if(avctx->extradata){
-        if(  (keyframe && (avctx->flags2 & CODEC_FLAG2_LOCAL_HEADER))
-            /*||(s->pict_type != I_TYPE && (s->flags & PARSER_FLAG_DUMP_EXTRADATA_AT_NOKEY))*/
-            /*||(? && (s->flags & PARSER_FLAG_DUMP_EXTRADATA_AT_BEGIN)*/){
-            int size= buf_size + avctx->extradata_size;
-            *poutbuf_size= size;
-            *poutbuf= av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
-
-            memcpy(*poutbuf, avctx->extradata, avctx->extradata_size);
-            memcpy((*poutbuf) + avctx->extradata_size, buf, buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
-            return 1;
-        }
-    }
-
-    return 0;
-}
-
-void av_parser_close(AVCodecParserContext *s)
-{
-    if (s->parser->parser_close)
-        s->parser->parser_close(s);
-    av_free(s->priv_data);
-    av_free(s);
-}
-
-/*****************************************************/
-
-/**
- * combines the (truncated) bitstream to a complete frame
- * @returns -1 if no complete frame could be created
- */
-int ff_combine_frame(ParseContext *pc, int next, const uint8_t **buf, int *buf_size)
-{
-#if 0
-    if(pc->overread){
-        printf("overread %d, state:%X next:%d index:%d o_index:%d\n", pc->overread, pc->state, next, pc->index, pc->overread_index);
-        printf("%X %X %X %X\n", (*buf)[0], (*buf)[1],(*buf)[2],(*buf)[3]);
-    }
-#endif
-
-    /* Copy overread bytes from last frame into buffer. */
-    for(; pc->overread>0; pc->overread--){
-        pc->buffer[pc->index++]= pc->buffer[pc->overread_index++];
-    }
-
-    /* flush remaining if EOF */
-    if(!*buf_size && next == END_NOT_FOUND){
-        next= 0;
-    }
-
-    pc->last_index= pc->index;
-
-    /* copy into buffer end return */
-    if(next == END_NOT_FOUND){
-        pc->buffer= av_fast_realloc(pc->buffer, &pc->buffer_size, (*buf_size) + pc->index + FF_INPUT_BUFFER_PADDING_SIZE);
 
-        memcpy(&pc->buffer[pc->index], *buf, *buf_size);
-        pc->index += *buf_size;
-        return -1;
-    }
-
-    *buf_size=
-    pc->overread_index= pc->index + next;
-
-    /* append to buffer */
-    if(pc->index){
-        pc->buffer= av_fast_realloc(pc->buffer, &pc->buffer_size, next + pc->index + FF_INPUT_BUFFER_PADDING_SIZE);
-
-        memcpy(&pc->buffer[pc->index], *buf, next + FF_INPUT_BUFFER_PADDING_SIZE );
-        pc->index = 0;
-        *buf= pc->buffer;
-    }
-
-    /* store overread bytes */
-    for(;next < 0; next++){
-        pc->state = (pc->state<<8) | pc->buffer[pc->last_index + next];
-        pc->overread++;
-    }
-
-#if 0
-    if(pc->overread){
-        printf("overread %d, state:%X next:%d index:%d o_index:%d\n", pc->overread, pc->state, next, pc->index, pc->overread_index);
-        printf("%X %X %X %X\n", (*buf)[0], (*buf)[1],(*buf)[2],(*buf)[3]);
-    }
-#endif
-
-    return 0;
-}
-
-void ff_parse_close(AVCodecParserContext *s)
-{
-    ParseContext *pc = s->priv_data;
-
-    av_free(pc->buffer);
-}
-
-void ff_parse1_close(AVCodecParserContext *s)
-{
-    ParseContext1 *pc1 = s->priv_data;
-
-    av_free(pc1->pc.buffer);
-    av_free(pc1->enc);
-}
-
-/*************************/
-
-int ff_mpeg4video_split(AVCodecContext *avctx,
-                           const uint8_t *buf, int buf_size)
-{
-    int i;
-    uint32_t state= -1;
-
-    for(i=0; i<buf_size; i++){
-        state= (state<<8) | buf[i];
-        if(state == 0x1B3 || state == 0x1B6)
-            return i-3;
-    }
-    return 0;
-}
+#include "parser.h"
+#include "ac3_parser.h"
+#include "aac_ac3_parser.h"
+#include "bitstream.h"
 
-/*************************/
-
-#if defined(CONFIG_AC3_PARSER) || defined(CONFIG_AAC_PARSER)
-/* also used for ADTS AAC */
-typedef struct AC3ParseContext {
-    uint8_t *inbuf_ptr;
-    int frame_size;
-    int header_size;
-    int (*sync)(const uint8_t *buf, int *channels, int *sample_rate,
-                int *bit_rate, int *samples);
-    uint8_t inbuf[8192]; /* input buffer */
-} AC3ParseContext;
 
 #define AC3_HEADER_SIZE 7
-#define AAC_HEADER_SIZE 7
 
-#ifdef CONFIG_AC3_PARSER
 
 static const uint8_t eac3_blocks[4] = {
     1, 2, 3, 6
 };
 
-#endif /* CONFIG_AC3_PARSER */
 
-#ifdef CONFIG_AAC_PARSER
-static const int aac_sample_rates[16] = {
-    96000, 88200, 64000, 48000, 44100, 32000,
-    24000, 22050, 16000, 12000, 11025, 8000, 7350
-};
-
-static const int aac_channels[8] = {
-    0, 1, 2, 3, 4, 5, 6, 8
-};
-#endif
-
-#ifdef CONFIG_AC3_PARSER
 int ff_ac3_parse_header(const uint8_t buf[7], AC3HeaderInfo *hdr)
 {
     GetBitContext gbc;
@@ -456,51 +142,7 @@ static int ac3_sync(const uint8_t *buf, 
     /* Unsupported bitstream version */
     return 0;
 }
-#endif /* CONFIG_AC3_PARSER */
-
-#ifdef CONFIG_AAC_PARSER
-static int aac_sync(const uint8_t *buf, int *channels, int *sample_rate,
-                    int *bit_rate, int *samples)
-{
-    GetBitContext bits;
-    int size, rdb, ch, sr;
-
-    init_get_bits(&bits, buf, AAC_HEADER_SIZE * 8);
 
-    if(get_bits(&bits, 12) != 0xfff)
-        return 0;
-
-    skip_bits1(&bits);          /* id */
-    skip_bits(&bits, 2);        /* layer */
-    skip_bits1(&bits);          /* protection_absent */
-    skip_bits(&bits, 2);        /* profile_objecttype */
-    sr = get_bits(&bits, 4);    /* sample_frequency_index */
-    if(!aac_sample_rates[sr])
-        return 0;
-    skip_bits1(&bits);          /* private_bit */
-    ch = get_bits(&bits, 3);    /* channel_configuration */
-    if(!aac_channels[ch])
-        return 0;
-    skip_bits1(&bits);          /* original/copy */
-    skip_bits1(&bits);          /* home */
-
-    /* adts_variable_header */
-    skip_bits1(&bits);          /* copyright_identification_bit */
-    skip_bits1(&bits);          /* copyright_identification_start */
-    size = get_bits(&bits, 13); /* aac_frame_length */
-    skip_bits(&bits, 11);       /* adts_buffer_fullness */
-    rdb = get_bits(&bits, 2);   /* number_of_raw_data_blocks_in_frame */
-
-    *channels = aac_channels[ch];
-    *sample_rate = aac_sample_rates[sr];
-    *samples = (rdb + 1) * 1024;
-    *bit_rate = size * 8 * *sample_rate / *samples;
-
-    return size;
-}
-#endif /* CONFIG_AAC_PARSER */
-
-#ifdef CONFIG_AC3_PARSER
 static int ac3_parse_init(AVCodecParserContext *s1)
 {
     AC3ParseContext *s = s1->priv_data;
@@ -509,89 +151,8 @@ static int ac3_parse_init(AVCodecParserC
     s->sync = ac3_sync;
     return 0;
 }
-#endif
-
-#ifdef CONFIG_AAC_PARSER
-static int aac_parse_init(AVCodecParserContext *s1)
-{
-    AC3ParseContext *s = s1->priv_data;
-    s->inbuf_ptr = s->inbuf;
-    s->header_size = AAC_HEADER_SIZE;
-    s->sync = aac_sync;
-    return 0;
-}
-#endif
-
-/* also used for ADTS AAC */
-static int ac3_parse(AVCodecParserContext *s1,
-                     AVCodecContext *avctx,
-                     const uint8_t **poutbuf, int *poutbuf_size,
-                     const uint8_t *buf, int buf_size)
-{
-    AC3ParseContext *s = s1->priv_data;
-    const uint8_t *buf_ptr;
-    int len, sample_rate, bit_rate, channels, samples;
-
-    *poutbuf = NULL;
-    *poutbuf_size = 0;
-
-    buf_ptr = buf;
-    while (buf_size > 0) {
-        len = s->inbuf_ptr - s->inbuf;
-        if (s->frame_size == 0) {
-            /* no header seen : find one. We need at least s->header_size
-               bytes to parse it */
-            len = FFMIN(s->header_size - len, buf_size);
-
-            memcpy(s->inbuf_ptr, buf_ptr, len);
-            buf_ptr += len;
-            s->inbuf_ptr += len;
-            buf_size -= len;
-            if ((s->inbuf_ptr - s->inbuf) == s->header_size) {
-                len = s->sync(s->inbuf, &channels, &sample_rate, &bit_rate,
-                              &samples);
-                if (len == 0) {
-                    /* no sync found : move by one byte (inefficient, but simple!) */
-                    memmove(s->inbuf, s->inbuf + 1, s->header_size - 1);
-                    s->inbuf_ptr--;
-                } else {
-                    s->frame_size = len;
-                    /* update codec info */
-                    avctx->sample_rate = sample_rate;
-                    /* set channels,except if the user explicitly requests 1 or 2 channels, XXX/FIXME this is a bit ugly */
-                    if(avctx->codec_id == CODEC_ID_AC3){
-                        if(avctx->channels!=1 && avctx->channels!=2){
-                            avctx->channels = channels;
-                        }
-                    } else {
-                        avctx->channels = channels;
-                    }
-                    avctx->bit_rate = bit_rate;
-                    avctx->frame_size = samples;
-                }
-            }
-        } else {
-            len = FFMIN(s->frame_size - len, buf_size);
 
-            memcpy(s->inbuf_ptr, buf_ptr, len);
-            buf_ptr += len;
-            s->inbuf_ptr += len;
-            buf_size -= len;
-
-            if(s->inbuf_ptr - s->inbuf == s->frame_size){
-                *poutbuf = s->inbuf;
-                *poutbuf_size = s->frame_size;
-                s->inbuf_ptr = s->inbuf;
-                s->frame_size = 0;
-                break;
-            }
-        }
-    }
-    return buf_ptr - buf;
-}
-#endif /* CONFIG_AC3_PARSER || CONFIG_AAC_PARSER */
 
-#ifdef CONFIG_AC3_PARSER
 AVCodecParser ac3_parser = {
     { CODEC_ID_AC3 },
     sizeof(AC3ParseContext),
@@ -599,13 +160,3 @@ AVCodecParser ac3_parser = {
     ac3_parse,
     NULL,
 };
-#endif
-#ifdef CONFIG_AAC_PARSER
-AVCodecParser aac_parser = {
-    { CODEC_ID_AAC },
-    sizeof(AC3ParseContext),
-    aac_parse_init,
-    ac3_parse,
-    NULL,
-};
-#endif

Copied: trunk/libavcodec/ac3_parser.h (from r8939, /trunk/libavcodec/parser.h)
==============================================================================
--- /trunk/libavcodec/parser.h	(original)
+++ trunk/libavcodec/ac3_parser.h	Wed May  9 01:25:31 2007
@@ -1,5 +1,5 @@
 /*
- * AVCodecParser prototypes and definitions
+ * AC3 parser prototypes
  * Copyright (c) 2003 Fabrice Bellard.
  * Copyright (c) 2003 Michael Niedermayer.
  *
@@ -20,49 +20,11 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#ifndef FFMPEG_PARSER_H
-#define FFMPEG_PARSER_H
+#ifndef AC3_PARSER_H
+#define AC3_PARSER_H
 
-#include "avcodec.h"
 #include "ac3.h"
 
-typedef struct ParseContext{
-    uint8_t *buffer;
-    int index;
-    int last_index;
-    unsigned int buffer_size;
-    uint32_t state;             ///< contains the last few bytes in MSB order
-    int frame_start_found;
-    int overread;               ///< the number of bytes which where irreversibly read from the next frame
-    int overread_index;         ///< the index into ParseContext.buffer of the overread bytes
-} ParseContext;
-
-struct MpegEncContext;
-
-typedef struct ParseContext1{
-    ParseContext pc;
-/* XXX/FIXME PC1 vs. PC */
-    /* MPEG2 specific */
-    AVRational frame_rate;
-    int progressive_sequence;
-    int width, height;
-
-    /* XXX: suppress that, needed by MPEG4 */
-    struct MpegEncContext *enc;
-    int first_picture;
-} ParseContext1;
-
-#define END_NOT_FOUND (-100)
-
-int ff_combine_frame(ParseContext *pc, int next, const uint8_t **buf, int *buf_size);
-int ff_mpeg4video_split(AVCodecContext *avctx, const uint8_t *buf,
-                        int buf_size);
-void ff_parse_close(AVCodecParserContext *s);
-void ff_parse1_close(AVCodecParserContext *s);
-
-/* h263dec.c */
-int ff_mpeg4_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size);
-
 /**
  * Parses AC-3 frame header.
  * Parses the header up to the lfeon element, which is the first 52 or 54 bits
@@ -75,4 +37,4 @@ int ff_mpeg4_find_frame_end(ParseContext
  */
 int ff_ac3_parse_header(const uint8_t buf[7], AC3HeaderInfo *hdr);
 
-#endif /* !FFMPEG_PARSER_H */
+#endif /* AC3_PARSER_H */

Modified: trunk/libavcodec/parser.c
==============================================================================
--- trunk/libavcodec/parser.c	(original)
+++ trunk/libavcodec/parser.c	Wed May  9 01:25:31 2007
@@ -311,301 +311,3 @@ int ff_mpeg4video_split(AVCodecContext *
     }
     return 0;
 }
-
-/*************************/
-
-#if defined(CONFIG_AC3_PARSER) || defined(CONFIG_AAC_PARSER)
-/* also used for ADTS AAC */
-typedef struct AC3ParseContext {
-    uint8_t *inbuf_ptr;
-    int frame_size;
-    int header_size;
-    int (*sync)(const uint8_t *buf, int *channels, int *sample_rate,
-                int *bit_rate, int *samples);
-    uint8_t inbuf[8192]; /* input buffer */
-} AC3ParseContext;
-
-#define AC3_HEADER_SIZE 7
-#define AAC_HEADER_SIZE 7
-
-#ifdef CONFIG_AC3_PARSER
-
-static const uint8_t eac3_blocks[4] = {
-    1, 2, 3, 6
-};
-
-#endif /* CONFIG_AC3_PARSER */
-
-#ifdef CONFIG_AAC_PARSER
-static const int aac_sample_rates[16] = {
-    96000, 88200, 64000, 48000, 44100, 32000,
-    24000, 22050, 16000, 12000, 11025, 8000, 7350
-};
-
-static const int aac_channels[8] = {
-    0, 1, 2, 3, 4, 5, 6, 8
-};
-#endif
-
-#ifdef CONFIG_AC3_PARSER
-int ff_ac3_parse_header(const uint8_t buf[7], AC3HeaderInfo *hdr)
-{
-    GetBitContext gbc;
-
-    memset(hdr, 0, sizeof(*hdr));
-
-    init_get_bits(&gbc, buf, 54);
-
-    hdr->sync_word = get_bits(&gbc, 16);
-    if(hdr->sync_word != 0x0B77)
-        return -1;
-
-    /* read ahead to bsid to make sure this is AC-3, not E-AC-3 */
-    hdr->bsid = show_bits_long(&gbc, 29) & 0x1F;
-    if(hdr->bsid > 10)
-        return -2;
-
-    hdr->crc1 = get_bits(&gbc, 16);
-    hdr->fscod = get_bits(&gbc, 2);
-    if(hdr->fscod == 3)
-        return -3;
-
-    hdr->frmsizecod = get_bits(&gbc, 6);
-    if(hdr->frmsizecod > 37)
-        return -4;
-
-    skip_bits(&gbc, 5); // skip bsid, already got it
-
-    hdr->bsmod = get_bits(&gbc, 3);
-    hdr->acmod = get_bits(&gbc, 3);
-    if((hdr->acmod & 1) && hdr->acmod != 1) {
-        hdr->cmixlev = get_bits(&gbc, 2);
-    }
-    if(hdr->acmod & 4) {
-        hdr->surmixlev = get_bits(&gbc, 2);
-    }
-    if(hdr->acmod == 2) {
-        hdr->dsurmod = get_bits(&gbc, 2);
-    }
-    hdr->lfeon = get_bits1(&gbc);
-
-    hdr->halfratecod = FFMAX(hdr->bsid, 8) - 8;
-    hdr->sample_rate = ff_ac3_freqs[hdr->fscod] >> hdr->halfratecod;
-    hdr->bit_rate = (ff_ac3_bitratetab[hdr->frmsizecod>>1] * 1000) >> hdr->halfratecod;
-    hdr->channels = ff_ac3_channels[hdr->acmod] + hdr->lfeon;
-    hdr->frame_size = ff_ac3_frame_sizes[hdr->frmsizecod][hdr->fscod] * 2;
-
-    return 0;
-}
-
-static int ac3_sync(const uint8_t *buf, int *channels, int *sample_rate,
-                    int *bit_rate, int *samples)
-{
-    int err;
-    unsigned int fscod, acmod, bsid, lfeon;
-    unsigned int strmtyp, substreamid, frmsiz, fscod2, numblkscod;
-    GetBitContext bits;
-    AC3HeaderInfo hdr;
-
-    err = ff_ac3_parse_header(buf, &hdr);
-
-    if(err < 0 && err != -2)
-        return 0;
-
-    bsid = hdr.bsid;
-    if(bsid <= 10) {             /* Normal AC-3 */
-        *sample_rate = hdr.sample_rate;
-        *bit_rate = hdr.bit_rate;
-        *channels = hdr.channels;
-        *samples = AC3_FRAME_SIZE;
-        return hdr.frame_size;
-    } else if (bsid > 10 && bsid <= 16) { /* Enhanced AC-3 */
-        init_get_bits(&bits, &buf[2], (AC3_HEADER_SIZE-2) * 8);
-        strmtyp = get_bits(&bits, 2);
-        substreamid = get_bits(&bits, 3);
-
-        if (strmtyp != 0 || substreamid != 0)
-            return 0;   /* Currently don't support additional streams */
-
-        frmsiz = get_bits(&bits, 11) + 1;
-        fscod = get_bits(&bits, 2);
-        if (fscod == 3) {
-            fscod2 = get_bits(&bits, 2);
-            numblkscod = 3;
-
-            if(fscod2 == 3)
-                return 0;
-
-            *sample_rate = ff_ac3_freqs[fscod2] / 2;
-        } else {
-            numblkscod = get_bits(&bits, 2);
-
-            *sample_rate = ff_ac3_freqs[fscod];
-        }
-
-        acmod = get_bits(&bits, 3);
-        lfeon = get_bits1(&bits);
-
-        *samples = eac3_blocks[numblkscod] * 256;
-        *bit_rate = frmsiz * (*sample_rate) * 16 / (*samples);
-        *channels = ff_ac3_channels[acmod] + lfeon;
-
-        return frmsiz * 2;
-    }
-
-    /* Unsupported bitstream version */
-    return 0;
-}
-#endif /* CONFIG_AC3_PARSER */
-
-#ifdef CONFIG_AAC_PARSER
-static int aac_sync(const uint8_t *buf, int *channels, int *sample_rate,
-                    int *bit_rate, int *samples)
-{
-    GetBitContext bits;
-    int size, rdb, ch, sr;
-
-    init_get_bits(&bits, buf, AAC_HEADER_SIZE * 8);
-
-    if(get_bits(&bits, 12) != 0xfff)
-        return 0;
-
-    skip_bits1(&bits);          /* id */
-    skip_bits(&bits, 2);        /* layer */
-    skip_bits1(&bits);          /* protection_absent */
-    skip_bits(&bits, 2);        /* profile_objecttype */
-    sr = get_bits(&bits, 4);    /* sample_frequency_index */
-    if(!aac_sample_rates[sr])
-        return 0;
-    skip_bits1(&bits);          /* private_bit */
-    ch = get_bits(&bits, 3);    /* channel_configuration */
-    if(!aac_channels[ch])
-        return 0;
-    skip_bits1(&bits);          /* original/copy */
-    skip_bits1(&bits);          /* home */
-
-    /* adts_variable_header */
-    skip_bits1(&bits);          /* copyright_identification_bit */
-    skip_bits1(&bits);          /* copyright_identification_start */
-    size = get_bits(&bits, 13); /* aac_frame_length */
-    skip_bits(&bits, 11);       /* adts_buffer_fullness */
-    rdb = get_bits(&bits, 2);   /* number_of_raw_data_blocks_in_frame */
-
-    *channels = aac_channels[ch];
-    *sample_rate = aac_sample_rates[sr];
-    *samples = (rdb + 1) * 1024;
-    *bit_rate = size * 8 * *sample_rate / *samples;
-
-    return size;
-}
-#endif /* CONFIG_AAC_PARSER */
-
-#ifdef CONFIG_AC3_PARSER
-static int ac3_parse_init(AVCodecParserContext *s1)
-{
-    AC3ParseContext *s = s1->priv_data;
-    s->inbuf_ptr = s->inbuf;
-    s->header_size = AC3_HEADER_SIZE;
-    s->sync = ac3_sync;
-    return 0;
-}
-#endif
-
-#ifdef CONFIG_AAC_PARSER
-static int aac_parse_init(AVCodecParserContext *s1)
-{
-    AC3ParseContext *s = s1->priv_data;
-    s->inbuf_ptr = s->inbuf;
-    s->header_size = AAC_HEADER_SIZE;
-    s->sync = aac_sync;
-    return 0;
-}
-#endif
-
-/* also used for ADTS AAC */
-static int ac3_parse(AVCodecParserContext *s1,
-                     AVCodecContext *avctx,
-                     const uint8_t **poutbuf, int *poutbuf_size,
-                     const uint8_t *buf, int buf_size)
-{
-    AC3ParseContext *s = s1->priv_data;
-    const uint8_t *buf_ptr;
-    int len, sample_rate, bit_rate, channels, samples;
-
-    *poutbuf = NULL;
-    *poutbuf_size = 0;
-
-    buf_ptr = buf;
-    while (buf_size > 0) {
-        len = s->inbuf_ptr - s->inbuf;
-        if (s->frame_size == 0) {
-            /* no header seen : find one. We need at least s->header_size
-               bytes to parse it */
-            len = FFMIN(s->header_size - len, buf_size);
-
-            memcpy(s->inbuf_ptr, buf_ptr, len);
-            buf_ptr += len;
-            s->inbuf_ptr += len;
-            buf_size -= len;
-            if ((s->inbuf_ptr - s->inbuf) == s->header_size) {
-                len = s->sync(s->inbuf, &channels, &sample_rate, &bit_rate,
-                              &samples);
-                if (len == 0) {
-                    /* no sync found : move by one byte (inefficient, but simple!) */
-                    memmove(s->inbuf, s->inbuf + 1, s->header_size - 1);
-                    s->inbuf_ptr--;
-                } else {
-                    s->frame_size = len;
-                    /* update codec info */
-                    avctx->sample_rate = sample_rate;
-                    /* set channels,except if the user explicitly requests 1 or 2 channels, XXX/FIXME this is a bit ugly */
-                    if(avctx->codec_id == CODEC_ID_AC3){
-                        if(avctx->channels!=1 && avctx->channels!=2){
-                            avctx->channels = channels;
-                        }
-                    } else {
-                        avctx->channels = channels;
-                    }
-                    avctx->bit_rate = bit_rate;
-                    avctx->frame_size = samples;
-                }
-            }
-        } else {
-            len = FFMIN(s->frame_size - len, buf_size);
-
-            memcpy(s->inbuf_ptr, buf_ptr, len);
-            buf_ptr += len;
-            s->inbuf_ptr += len;
-            buf_size -= len;
-
-            if(s->inbuf_ptr - s->inbuf == s->frame_size){
-                *poutbuf = s->inbuf;
-                *poutbuf_size = s->frame_size;
-                s->inbuf_ptr = s->inbuf;
-                s->frame_size = 0;
-                break;
-            }
-        }
-    }
-    return buf_ptr - buf;
-}
-#endif /* CONFIG_AC3_PARSER || CONFIG_AAC_PARSER */
-
-#ifdef CONFIG_AC3_PARSER
-AVCodecParser ac3_parser = {
-    { CODEC_ID_AC3 },
-    sizeof(AC3ParseContext),
-    ac3_parse_init,
-    ac3_parse,
-    NULL,
-};
-#endif
-#ifdef CONFIG_AAC_PARSER
-AVCodecParser aac_parser = {
-    { CODEC_ID_AAC },
-    sizeof(AC3ParseContext),
-    aac_parse_init,
-    ac3_parse,
-    NULL,
-};
-#endif

Modified: trunk/libavcodec/parser.h
==============================================================================
--- trunk/libavcodec/parser.h	(original)
+++ trunk/libavcodec/parser.h	Wed May  9 01:25:31 2007
@@ -24,7 +24,6 @@
 #define FFMPEG_PARSER_H
 
 #include "avcodec.h"
-#include "ac3.h"
 
 typedef struct ParseContext{
     uint8_t *buffer;
@@ -63,16 +62,4 @@ void ff_parse1_close(AVCodecParserContex
 /* h263dec.c */
 int ff_mpeg4_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size);
 
-/**
- * Parses AC-3 frame header.
- * Parses the header up to the lfeon element, which is the first 52 or 54 bits
- * depending on the audio coding mode.
- * @param buf[in] Array containing the first 7 bytes of the frame.
- * @param hdr[out] Pointer to struct where header info is written.
- * @return Returns 0 on success, -1 if there is a sync word mismatch,
- * -2 if the bsid (version) element is invalid, -3 if the fscod (sample rate)
- * element is invalid, or -4 if the frmsizecod (bit rate) element is invalid.
- */
-int ff_ac3_parse_header(const uint8_t buf[7], AC3HeaderInfo *hdr);
-
 #endif /* !FFMPEG_PARSER_H */

Modified: trunk/libavformat/raw.c
==============================================================================
--- trunk/libavformat/raw.c	(original)
+++ trunk/libavformat/raw.c	Wed May  9 01:25:31 2007
@@ -20,7 +20,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include "avformat.h"
-#include "parser.h"
+#include "ac3_parser.h"
 
 #ifdef CONFIG_MUXERS
 /* simple formats */




More information about the ffmpeg-cvslog mailing list