[FFmpeg-soc] [soc]: r2233 - in eac3: ac3dec.c ac3dec.h checkout.sh eac3dec.c ffmpeg.patch

jbr subversion at mplayerhq.hu
Tue May 27 06:56:30 CEST 2008


Author: jbr
Date: Tue May 27 06:56:30 2008
New Revision: 2233

Log:
change name stream_type to frame_type

Modified:
   eac3/ac3dec.c
   eac3/ac3dec.h
   eac3/checkout.sh
   eac3/eac3dec.c
   eac3/ffmpeg.patch

Modified: eac3/ac3dec.c
==============================================================================
--- eac3/ac3dec.c	(original)
+++ eac3/ac3dec.c	Tue May 27 06:56:30 2008
@@ -1060,7 +1060,7 @@ static int decode_audio_block(AC3DecodeC
     }
 
     /* E-AC3 to AC3 converter SNR offset */
-    if (s->eac3 && s->stream_type == EAC3_STREAM_TYPE_INDEPENDENT &&
+    if (s->eac3 && s->frame_type == EAC3_FRAME_TYPE_INDEPENDENT &&
             get_bits1(gbc)) {
         skip_bits(gbc, 10); // skip converter snr offset
     }

Modified: eac3/ac3dec.h
==============================================================================
--- eac3/ac3dec.h	(original)
+++ eac3/ac3dec.h	Tue May 27 06:56:30 2008
@@ -57,7 +57,7 @@ typedef struct AC3DecodeContext {
 
 ///@defgroup bsi Bit Stream Information
 ///@{
-    int stream_type;        ///< Stream type (strmtyp)
+    int frame_type;         ///< Frame type (strmtyp)
     int substreamid;        ///< Substream identification
     int frame_size;         ///< Frame size, in bytes
     int bit_rate;           ///< Bitrate, in bits-per-second

Modified: eac3/checkout.sh
==============================================================================
--- eac3/checkout.sh	(original)
+++ eac3/checkout.sh	Tue May 27 06:56:30 2008
@@ -1,7 +1,7 @@
 FILES="eac3dec.c ac3dec.c ac3dec.h ac3dec_data.c ac3dec_data.h"
 
 echo "checking out ffmpeg svn"
-for i in $FILES Makefile ac3_parser.c ac3enc.c ac3.c ac3.h; do
+for i in $FILES Makefile aac_ac3_parser.h aac_parser.c ac3_parser.c ac3_parser.h ac3enc.c ac3.c ac3.h; do
     rm -f ffmpeg/libavcodec/$i
 done
 svn checkout svn://svn.mplayerhq.hu/ffmpeg/trunk/ ffmpeg -r 12599

Modified: eac3/eac3dec.c
==============================================================================
--- eac3/eac3dec.c	(original)
+++ eac3/eac3dec.c	Tue May 27 06:56:30 2008
@@ -276,12 +276,12 @@ static int parse_bsi(AC3DecodeContext *s
     /* an E-AC3 stream can have multiple independent streams which the
        application can select from. each independent stream can also contain
        dependent streams which are used to add or replace channels. */
-    s->stream_type = get_bits(gbc, 2);
-    if (s->stream_type == EAC3_STREAM_TYPE_DEPENDENT) {
+    s->frame_type = get_bits(gbc, 2);
+    if (s->frame_type == EAC3_FRAME_TYPE_DEPENDENT) {
         ff_eac3_log_missing_feature(s->avctx, "Dependent substream");
         return -1;
-    } else if (s->stream_type == EAC3_STREAM_TYPE_RESERVED) {
-        av_log(s->avctx, AV_LOG_ERROR, "Reserved stream type\n");
+    } else if (s->frame_type == EAC3_FRAME_TYPE_RESERVED) {
+        av_log(s->avctx, AV_LOG_ERROR, "Reserved frame type\n");
         return -1;
     }
 
@@ -323,7 +323,7 @@ static int parse_bsi(AC3DecodeContext *s
 
 #if 0
     /* dependent stream channel map */
-    if (s->stream_type == EAC3_STREAM_TYPE_DEPENDENT) {
+    if (s->frame_type == EAC3_FRAME_TYPE_DEPENDENT) {
         if (get_bits1(gbc)) {
             s->channel_map = get_bits(gbc, 16); //custom channel map
         } else {
@@ -359,7 +359,7 @@ static int parse_bsi(AC3DecodeContext *s
         }
 
         /* info for mixing with other streams and substreams */
-        if (s->stream_type == EAC3_STREAM_TYPE_INDEPENDENT) {
+        if (s->frame_type == EAC3_FRAME_TYPE_INDEPENDENT) {
             for (i = 0; i < (s->channel_mode ? 1 : 2); i++) {
                 // TODO: apply program scale factor
                 if (get_bits1(gbc)) {
@@ -430,12 +430,12 @@ static int parse_bsi(AC3DecodeContext *s
        if frames are less than six blocks, this bit should be turned on
        once every 6 blocks to indicate the start of a frame set.
        reference: RFC 4598, Section 2.1.3  Frame Sets */
-    if (s->stream_type == EAC3_STREAM_TYPE_INDEPENDENT && s->num_blocks != 6) {
+    if (s->frame_type == EAC3_FRAME_TYPE_INDEPENDENT && s->num_blocks != 6) {
         skip_bits1(gbc); //converter synchronization flag
     }
 
     /* original frame size code if this stream was converted from AC3 */
-    if (s->stream_type == EAC3_STREAM_TYPE_AC3_CONVERT &&
+    if (s->frame_type == EAC3_FRAME_TYPE_AC3_CONVERT &&
             (s->num_blocks == 6 || get_bits1(gbc))) {
         skip_bits(gbc, 6); // skip Frame size code
     }
@@ -540,7 +540,7 @@ static int parse_audfrm(AC3DecodeContext
         }
     }
     /* original exponent strategies if this stream was converted from AC3 */
-    if (s->stream_type == EAC3_STREAM_TYPE_INDEPENDENT &&
+    if (s->frame_type == EAC3_FRAME_TYPE_INDEPENDENT &&
             (s->num_blocks == 6 || get_bits1(gbc))) {
         for (ch = 1; ch <= s->fbw_channels; ch++) {
             skip_bits(gbc, 5); //skip Converter channel exponent strategy
@@ -1125,7 +1125,7 @@ int ff_eac3_parse_audio_block(AC3DecodeC
             for (ch = !s->cpl_in_use[blk]; ch <= s->channels; ch++)
                 s->fast_gain[ch] = ff_ac3_fast_gain_tab[4];
         }
-        if (s->stream_type == EAC3_STREAM_TYPE_INDEPENDENT && get_bits1(gbc)) {
+        if (s->frame_type == EAC3_FRAME_TYPE_INDEPENDENT && get_bits1(gbc)) {
             skip_bits(gbc, 10); //Converter SNR offset
         }
     }

Modified: eac3/ffmpeg.patch
==============================================================================
--- eac3/ffmpeg.patch	(original)
+++ eac3/ffmpeg.patch	Tue May 27 06:56:30 2008
@@ -1,3 +1,16 @@
+Index: libavcodec/aac_ac3_parser.h
+===================================================================
+--- libavcodec/aac_ac3_parser.h	(revision 12599)
++++ libavcodec/aac_ac3_parser.h	(working copy)
+@@ -37,7 +37,7 @@
+     int sample_rate;
+     int bit_rate;
+     int samples;
+-    uint8_t stream_type;
++    uint8_t frame_type;
+ } AACAC3ParseContext;
+ 
+ int ff_aac_ac3_parse(AVCodecParserContext *s1,
 Index: libavcodec/Makefile
 ===================================================================
 --- libavcodec/Makefile	(revision 12599)
@@ -11,6 +24,19 @@ Index: libavcodec/Makefile
  OBJS-$(CONFIG_AC3_ENCODER)             += ac3enc.o ac3tab.o ac3.o
  OBJS-$(CONFIG_ALAC_DECODER)            += alac.o
  OBJS-$(CONFIG_AMV_DECODER)             += sp5xdec.o mjpegdec.o mjpeg.o
+Index: libavcodec/aac_parser.c
+===================================================================
+--- libavcodec/aac_parser.c	(revision 12599)
++++ libavcodec/aac_parser.c	(working copy)
+@@ -84,7 +84,7 @@
+ static av_cold int aac_parse_init(AVCodecParserContext *s1)
+ {
+     AACAC3ParseContext *s = s1->priv_data;
+-    s->stream_type = EAC3_STREAM_TYPE_INDEPENDENT;
++    s->frame_type = EAC3_FRAME_TYPE_INDEPENDENT;
+     s->inbuf_ptr = s->inbuf;
+     s->header_size = AAC_HEADER_SIZE;
+     s->sync = aac_sync;
 Index: libavcodec/ac3_parser.c
 ===================================================================
 --- libavcodec/ac3_parser.c	(revision 12599)
@@ -23,14 +49,25 @@ Index: libavcodec/ac3_parser.c
  
      memset(hdr, 0, sizeof(*hdr));
  
-@@ -84,6 +83,7 @@
+@@ -84,13 +83,14 @@
          hdr->bit_rate = (ff_ac3_bitrate_tab[frame_size_code>>1] * 1000) >> hdr->sr_shift;
          hdr->channels = ff_ac3_channels_tab[hdr->channel_mode] + hdr->lfe_on;
          hdr->frame_size = ff_ac3_frame_size_tab[frame_size_code][hdr->sr_code] * 2;
+-        hdr->stream_type = EAC3_STREAM_TYPE_INDEPENDENT;
 +        hdr->num_blocks = 6;
-         hdr->stream_type = EAC3_STREAM_TYPE_INDEPENDENT;
++        hdr->frame_type = EAC3_FRAME_TYPE_INDEPENDENT;
      } else {
          /* Enhanced AC-3 */
+         hdr->crc1 = 0;
+-        hdr->stream_type = get_bits(&gbc, 2);
+-        if(hdr->stream_type == EAC3_STREAM_TYPE_RESERVED)
+-            return AC3_PARSE_ERROR_STREAM_TYPE;
++        hdr->frame_type = get_bits(&gbc, 2);
++        if(hdr->frame_type == EAC3_FRAME_TYPE_RESERVED)
++            return AC3_PARSE_ERROR_FRAME_TYPE;
+ 
+         skip_bits(&gbc, 3); // skip substream id
+ 
 @@ -105,9 +105,9 @@
                  return AC3_PARSE_ERROR_SAMPLE_RATE;
              hdr->sample_rate = ff_ac3_sample_rate_tab[sr_code2] / 2;
@@ -61,6 +98,19 @@ Index: libavcodec/ac3_parser.c
      return hdr.frame_size;
  }
  
+Index: libavcodec/ac3_parser.h
+===================================================================
+--- libavcodec/ac3_parser.h	(revision 12599)
++++ libavcodec/ac3_parser.h	(working copy)
+@@ -30,7 +30,7 @@
+     AC3_PARSE_ERROR_BSID        = -2,
+     AC3_PARSE_ERROR_SAMPLE_RATE = -3,
+     AC3_PARSE_ERROR_FRAME_SIZE  = -4,
+-    AC3_PARSE_ERROR_STREAM_TYPE = -5,
++    AC3_PARSE_ERROR_FRAME_TYPE  = -5,
+ } AC3ParseError;
+ 
+ /**
 Index: libavcodec/ac3.c
 ===================================================================
 --- libavcodec/ac3.c	(revision 12599)
@@ -98,7 +148,16 @@ Index: libavcodec/ac3.h
 ===================================================================
 --- libavcodec/ac3.h	(revision 12599)
 +++ libavcodec/ac3.h	(working copy)
-@@ -95,6 +95,7 @@
+@@ -84,7 +84,7 @@
+     uint8_t bitstream_id;
+     uint8_t channel_mode;
+     uint8_t lfe_on;
+-    uint8_t stream_type;
++    uint8_t frame_type;
+     /** @} */
+ 
+     /** @defgroup derived Derived values
+@@ -95,15 +95,16 @@
      uint32_t bit_rate;
      uint8_t channels;
      uint16_t frame_size;
@@ -106,6 +165,20 @@ Index: libavcodec/ac3.h
      /** @} */
  } AC3HeaderInfo;
  
+ typedef enum {
+-    EAC3_STREAM_TYPE_INDEPENDENT = 0,
+-    EAC3_STREAM_TYPE_DEPENDENT,
+-    EAC3_STREAM_TYPE_AC3_CONVERT,
+-    EAC3_STREAM_TYPE_RESERVED
+-} EAC3StreamType;
++    EAC3_FRAME_TYPE_INDEPENDENT = 0,
++    EAC3_FRAME_TYPE_DEPENDENT,
++    EAC3_FRAME_TYPE_AC3_CONVERT,
++    EAC3_FRAME_TYPE_RESERVED
++} EAC3FrameType;
+ 
+ void ac3_common_init(void);
+ 
 @@ -163,10 +164,12 @@
   * @param[in]  end        ending bin location
   * @param[in]  snr_offset SNR adjustment



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