[FFmpeg-cvslog] cook: K&R formatting cosmetics
Shitiz Garg
git at videolan.org
Sun Jan 1 02:49:36 CET 2012
ffmpeg | branch: master | Shitiz Garg <mail at dragooon.net> | Sat Dec 31 04:06:53 2011 +0530| [c3513477bbbc0898e8fe38c4e37ac67298d76a48] | committer: Diego Biurrun
cook: K&R formatting cosmetics
Signed-off-by: Diego Biurrun <diego at biurrun.de>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c3513477bbbc0898e8fe38c4e37ac67298d76a48
---
libavcodec/cook.c | 730 +++++++++++++++++++++++++++--------------------------
1 files changed, 366 insertions(+), 364 deletions(-)
diff --git a/libavcodec/cook.c b/libavcodec/cook.c
index 81a1aae..d2ed819 100644
--- a/libavcodec/cook.c
+++ b/libavcodec/cook.c
@@ -57,7 +57,7 @@
#define MONO 0x1000001
#define STEREO 0x1000002
#define JOINT_STEREO 0x1000003
-#define MC_COOK 0x2000000 //multichannel Cook, not supported
+#define MC_COOK 0x2000000 // multichannel Cook, not supported
#define SUBBAND_SIZE 20
#define MAX_SUBPACKETS 5
@@ -102,24 +102,24 @@ typedef struct cook {
* The following 5 functions provide the lowlevel arithmetic on
* the internal audio buffers.
*/
- void (* scalar_dequant)(struct cook *q, int index, int quant_index,
- int* subband_coef_index, int* subband_coef_sign,
- float* mlt_p);
+ void (*scalar_dequant)(struct cook *q, int index, int quant_index,
+ int *subband_coef_index, int *subband_coef_sign,
+ float *mlt_p);
- void (* decouple) (struct cook *q,
- COOKSubpacket *p,
- int subband,
- float f1, float f2,
- float *decode_buffer,
- float *mlt_buffer1, float *mlt_buffer2);
+ void (*decouple)(struct cook *q,
+ COOKSubpacket *p,
+ int subband,
+ float f1, float f2,
+ float *decode_buffer,
+ float *mlt_buffer1, float *mlt_buffer2);
- void (* imlt_window) (struct cook *q, float *buffer1,
- cook_gains *gains_ptr, float *previous_buffer);
+ void (*imlt_window)(struct cook *q, float *buffer1,
+ cook_gains *gains_ptr, float *previous_buffer);
- void (* interpolate) (struct cook *q, float* buffer,
- int gain_index, int gain_index_next);
+ void (*interpolate)(struct cook *q, float *buffer,
+ int gain_index, int gain_index_next);
- void (* saturate_output) (struct cook *q, int chan, float *out);
+ void (*saturate_output)(struct cook *q, int chan, float *out);
AVCodecContext* avctx;
AVFrame frame;
@@ -140,7 +140,7 @@ typedef struct cook {
/* VLC data */
VLC envelope_quant_index[13];
- VLC sqvh[7]; //scalar quantization
+ VLC sqvh[7]; // scalar quantization
/* generatable tables and related variables */
int gain_size_factor;
@@ -165,55 +165,58 @@ static float rootpow2tab[127];
/*************** init functions ***************/
/* table generator */
-static av_cold void init_pow2table(void){
+static av_cold void init_pow2table(void)
+{
int i;
- for (i=-63 ; i<64 ; i++){
- pow2tab[63+i]= pow(2, i);
- rootpow2tab[63+i]=sqrt(pow(2, i));
+ for (i = -63; i < 64; i++) {
+ pow2tab[63 + i] = pow(2, i);
+ rootpow2tab[63 + i] = sqrt(pow(2, i));
}
}
/* table generator */
-static av_cold void init_gain_table(COOKContext *q) {
+static av_cold void init_gain_table(COOKContext *q)
+{
int i;
- q->gain_size_factor = q->samples_per_channel/8;
- for (i=0 ; i<23 ; i++) {
- q->gain_table[i] = pow(pow2tab[i+52] ,
- (1.0/(double)q->gain_size_factor));
- }
+ q->gain_size_factor = q->samples_per_channel / 8;
+ for (i = 0; i < 23; i++)
+ q->gain_table[i] = pow(pow2tab[i + 52],
+ (1.0 / (double) q->gain_size_factor));
}
-static av_cold int init_cook_vlc_tables(COOKContext *q) {
+static av_cold int init_cook_vlc_tables(COOKContext *q)
+{
int i, result;
result = 0;
- for (i=0 ; i<13 ; i++) {
- result |= init_vlc (&q->envelope_quant_index[i], 9, 24,
- envelope_quant_index_huffbits[i], 1, 1,
- envelope_quant_index_huffcodes[i], 2, 2, 0);
+ for (i = 0; i < 13; i++) {
+ result |= init_vlc(&q->envelope_quant_index[i], 9, 24,
+ envelope_quant_index_huffbits[i], 1, 1,
+ envelope_quant_index_huffcodes[i], 2, 2, 0);
}
- av_log(q->avctx,AV_LOG_DEBUG,"sqvh VLC init\n");
- for (i=0 ; i<7 ; i++) {
- result |= init_vlc (&q->sqvh[i], vhvlcsize_tab[i], vhsize_tab[i],
- cvh_huffbits[i], 1, 1,
- cvh_huffcodes[i], 2, 2, 0);
+ av_log(q->avctx, AV_LOG_DEBUG, "sqvh VLC init\n");
+ for (i = 0; i < 7; i++) {
+ result |= init_vlc(&q->sqvh[i], vhvlcsize_tab[i], vhsize_tab[i],
+ cvh_huffbits[i], 1, 1,
+ cvh_huffcodes[i], 2, 2, 0);
}
- for(i=0;i<q->num_subpackets;i++){
- if (q->subpacket[i].joint_stereo==1){
- result |= init_vlc (&q->subpacket[i].ccpl, 6, (1<<q->subpacket[i].js_vlc_bits)-1,
- ccpl_huffbits[q->subpacket[i].js_vlc_bits-2], 1, 1,
- ccpl_huffcodes[q->subpacket[i].js_vlc_bits-2], 2, 2, 0);
- av_log(q->avctx,AV_LOG_DEBUG,"subpacket %i Joint-stereo VLC used.\n",i);
+ for (i = 0; i < q->num_subpackets; i++) {
+ if (q->subpacket[i].joint_stereo == 1) {
+ result |= init_vlc(&q->subpacket[i].ccpl, 6, (1 << q->subpacket[i].js_vlc_bits) - 1,
+ ccpl_huffbits[q->subpacket[i].js_vlc_bits - 2], 1, 1,
+ ccpl_huffcodes[q->subpacket[i].js_vlc_bits - 2], 2, 2, 0);
+ av_log(q->avctx, AV_LOG_DEBUG, "subpacket %i Joint-stereo VLC used.\n", i);
}
}
- av_log(q->avctx,AV_LOG_DEBUG,"VLC tables initialized.\n");
+ av_log(q->avctx, AV_LOG_DEBUG, "VLC tables initialized.\n");
return result;
}
-static av_cold int init_cook_mlt(COOKContext *q) {
+static av_cold int init_cook_mlt(COOKContext *q)
+{
int j, ret;
int mlt_size = q->samples_per_channel;
@@ -222,35 +225,36 @@ static av_cold int init_cook_mlt(COOKContext *q) {
/* Initialize the MLT window: simple sine window. */
ff_sine_window_init(q->mlt_window, mlt_size);
- for(j=0 ; j<mlt_size ; j++)
+ for (j = 0; j < mlt_size; j++)
q->mlt_window[j] *= sqrt(2.0 / q->samples_per_channel);
/* Initialize the MDCT. */
- if ((ret = ff_mdct_init(&q->mdct_ctx, av_log2(mlt_size)+1, 1, 1.0/32768.0))) {
+ if ((ret = ff_mdct_init(&q->mdct_ctx, av_log2(mlt_size) + 1, 1, 1.0 / 32768.0))) {
av_free(q->mlt_window);
return ret;
}
- av_log(q->avctx,AV_LOG_DEBUG,"MDCT initialized, order = %d.\n",
- av_log2(mlt_size)+1);
+ av_log(q->avctx, AV_LOG_DEBUG, "MDCT initialized, order = %d.\n",
+ av_log2(mlt_size) + 1);
return 0;
}
-static const float *maybe_reformat_buffer32 (COOKContext *q, const float *ptr, int n)
+static const float *maybe_reformat_buffer32(COOKContext *q, const float *ptr, int n)
{
if (1)
return ptr;
}
-static av_cold void init_cplscales_table (COOKContext *q) {
+static av_cold void init_cplscales_table(COOKContext *q)
+{
int i;
- for (i=0;i<5;i++)
- q->cplscales[i] = maybe_reformat_buffer32 (q, cplscales[i], (1<<(i+2))-1);
+ for (i = 0; i < 5; i++)
+ q->cplscales[i] = maybe_reformat_buffer32(q, cplscales[i], (1 << (i + 2)) - 1);
}
/*************** init functions end ***********/
-#define DECODE_BYTES_PAD1(bytes) (3 - ((bytes)+3) % 4)
+#define DECODE_BYTES_PAD1(bytes) (3 - ((bytes) + 3) % 4)
#define DECODE_BYTES_PAD2(bytes) ((bytes) % 4 + DECODE_BYTES_PAD1(2 * (bytes)))
/**
@@ -273,27 +277,27 @@ static av_cold void init_cplscales_table (COOKContext *q) {
* @param out pointer to byte array of outdata
* @param bytes number of bytes
*/
-
-static inline int decode_bytes(const uint8_t* inbuffer, uint8_t* out, int bytes){
+static inline int decode_bytes(const uint8_t *inbuffer, uint8_t *out, int bytes)
+{
static const uint32_t tab[4] = {
AV_BE2NE32C(0x37c511f2), AV_BE2NE32C(0xf237c511),
AV_BE2NE32C(0x11f237c5), AV_BE2NE32C(0xc511f237),
};
int i, off;
uint32_t c;
- const uint32_t* buf;
- uint32_t* obuf = (uint32_t*) out;
+ const uint32_t *buf;
+ uint32_t *obuf = (uint32_t *) out;
/* FIXME: 64 bit platforms would be able to do 64 bits at a time.
* I'm too lazy though, should be something like
- * for(i=0 ; i<bitamount/64 ; i++)
- * (int64_t)out[i] = 0x37c511f237c511f2^av_be2ne64(int64_t)in[i]);
+ * for (i = 0; i < bitamount / 64; i++)
+ * (int64_t) out[i] = 0x37c511f237c511f2 ^ av_be2ne64(int64_t) in[i]);
* Buffer alignment needs to be checked. */
- off = (intptr_t)inbuffer & 3;
- buf = (const uint32_t*) (inbuffer - off);
+ off = (intptr_t) inbuffer & 3;
+ buf = (const uint32_t *) (inbuffer - off);
c = tab[off];
bytes += 3 + off;
- for (i = 0; i < bytes/4; i++)
+ for (i = 0; i < bytes / 4; i++)
obuf[i] = c ^ buf[i];
return off;
@@ -302,12 +306,11 @@ static inline int decode_bytes(const uint8_t* inbuffer, uint8_t* out, int bytes)
/**
* Cook uninit
*/
-
static av_cold int cook_decode_close(AVCodecContext *avctx)
{
int i;
COOKContext *q = avctx->priv_data;
- av_log(avctx,AV_LOG_DEBUG, "Deallocating memory.\n");
+ av_log(avctx, AV_LOG_DEBUG, "Deallocating memory.\n");
/* Free allocated memory buffers. */
av_free(q->mlt_window);
@@ -317,17 +320,14 @@ static av_cold int cook_decode_close(AVCodecContext *avctx)
ff_mdct_end(&q->mdct_ctx);
/* Free the VLC tables. */
- for (i=0 ; i<13 ; i++) {
+ for (i = 0; i < 13; i++)
free_vlc(&q->envelope_quant_index[i]);
- }
- for (i=0 ; i<7 ; i++) {
+ for (i = 0; i < 7; i++)
free_vlc(&q->sqvh[i]);
- }
- for (i=0 ; i<q->num_subpackets ; i++) {
+ for (i = 0; i < q->num_subpackets; i++)
free_vlc(&q->subpacket[i].ccpl);
- }
- av_log(avctx,AV_LOG_DEBUG,"Memory deallocated.\n");
+ av_log(avctx, AV_LOG_DEBUG, "Memory deallocated.\n");
return 0;
}
@@ -338,22 +338,26 @@ static av_cold int cook_decode_close(AVCodecContext *avctx)
* @param gb pointer to the GetBitContext
* @param gaininfo array[9] of gain indexes
*/
-
static void decode_gain_info(GetBitContext *gb, int *gaininfo)
{
int i, n;
- while (get_bits1(gb)) {}
- n = get_bits_count(gb) - 1; //amount of elements*2 to update
+ while (get_bits1(gb)) {
+ /* NOTHING */
+ }
+
+ n = get_bits_count(gb) - 1; // amount of elements*2 to update
i = 0;
while (n--) {
int index = get_bits(gb, 3);
int gain = get_bits1(gb) ? get_bits(gb, 4) - 7 : -1;
- while (i <= index) gaininfo[i++] = gain;
+ while (i <= index)
+ gaininfo[i++] = gain;
}
- while (i <= 8) gaininfo[i++] = 0;
+ while (i <= 8)
+ gaininfo[i++] = 0;
}
/**
@@ -362,25 +366,28 @@ static void decode_gain_info(GetBitContext *gb, int *gaininfo)
* @param q pointer to the COOKContext
* @param quant_index_table pointer to the array
*/
+static void decode_envelope(COOKContext *q, COOKSubpacket *p,
+ int *quant_index_table)
+{
+ int i, j, vlc_index;
-static void decode_envelope(COOKContext *q, COOKSubpacket *p, int* quant_index_table) {
- int i,j, vlc_index;
-
- quant_index_table[0]= get_bits(&q->gb,6) - 6; //This is used later in categorize
+ quant_index_table[0] = get_bits(&q->gb, 6) - 6; // This is used later in categorize
- for (i=1 ; i < p->total_subbands ; i++){
- vlc_index=i;
+ for (i = 1; i < p->total_subbands; i++) {
+ vlc_index = i;
if (i >= p->js_subband_start * 2) {
- vlc_index-=p->js_subband_start;
+ vlc_index -= p->js_subband_start;
} else {
- vlc_index/=2;
- if(vlc_index < 1) vlc_index = 1;
+ vlc_index /= 2;
+ if (vlc_index < 1)
+ vlc_index = 1;
}
- if (vlc_index>13) vlc_index = 13; //the VLC tables >13 are identical to No. 13
+ if (vlc_index > 13)
+ vlc_index = 13; // the VLC tables >13 are identical to No. 13
- j = get_vlc2(&q->gb, q->envelope_quant_index[vlc_index-1].table,
- q->envelope_quant_index[vlc_index-1].bits,2);
- quant_index_table[i] = quant_index_table[i-1] + j - 12; //differential encoding
+ j = get_vlc2(&q->gb, q->envelope_quant_index[vlc_index - 1].table,
+ q->envelope_quant_index[vlc_index - 1].bits, 2);
+ quant_index_table[i] = quant_index_table[i - 1] + j - 12; // differential encoding
}
}
@@ -392,22 +399,22 @@ static void decode_envelope(COOKContext *q, COOKSubpacket *p, int* quant_index_t
* @param category pointer to the category array
* @param category_index pointer to the category_index array
*/
-
-static void categorize(COOKContext *q, COOKSubpacket *p, int* quant_index_table,
- int* category, int* category_index){
+static void categorize(COOKContext *q, COOKSubpacket *p, int *quant_index_table,
+ int *category, int *category_index)
+{
int exp_idx, bias, tmpbias1, tmpbias2, bits_left, num_bits, index, v, i, j;
int exp_index2[102];
int exp_index1[102];
- int tmp_categorize_array[128*2];
- int tmp_categorize_array1_idx=p->numvector_size;
- int tmp_categorize_array2_idx=p->numvector_size;
+ int tmp_categorize_array[128 * 2];
+ int tmp_categorize_array1_idx = p->numvector_size;
+ int tmp_categorize_array2_idx = p->numvector_size;
- bits_left = p->bits_per_subpacket - get_bits_count(&q->gb);
+ bits_left = p->bits_per_subpacket - get_bits_count(&q->gb);
- if(bits_left > q->samples_per_channel) {
+ if (bits_left > q->samples_per_channel) {
bits_left = q->samples_per_channel +
- ((bits_left - q->samples_per_channel)*5)/8;
+ ((bits_left - q->samples_per_channel) * 5) / 8;
//av_log(q->avctx, AV_LOG_ERROR, "bits_left = %d\n",bits_left);
}
@@ -415,25 +422,24 @@ static void categorize(COOKContext *q, COOKSubpacket *p, int* quant_index_table,
memset(&exp_index2, 0, sizeof(exp_index2));
memset(&tmp_categorize_array, 0, sizeof(tmp_categorize_array));
- bias=-32;
+ bias = -32;
/* Estimate bias. */
- for (i=32 ; i>0 ; i=i/2){
+ for (i = 32; i > 0; i = i / 2) {
num_bits = 0;
- index = 0;
- for (j=p->total_subbands ; j>0 ; j--){
+ index = 0;
+ for (j = p->total_subbands; j > 0; j--) {
exp_idx = av_clip((i - quant_index_table[index] + bias) / 2, 0, 7);
index++;
- num_bits+=expbits_tab[exp_idx];
- }
- if(num_bits >= bits_left - 32){
- bias+=i;
+ num_bits += expbits_tab[exp_idx];
}
+ if (num_bits >= bits_left - 32)
+ bias += i;
}
/* Calculate total number of bits. */
- num_bits=0;
- for (i=0 ; i<p->total_subbands ; i++) {
+ num_bits = 0;
+ for (i = 0; i < p->total_subbands; i++) {
exp_idx = av_clip((bias - quant_index_table[i]) / 2, 0, 7);
num_bits += expbits_tab[exp_idx];
exp_index1[i] = exp_idx;
@@ -441,50 +447,51 @@ static void categorize(COOKContext *q, COOKSubpacket *p, int* quant_index_table,
}
tmpbias1 = tmpbias2 = num_bits;
- for (j = 1 ; j < p->numvector_size ; j++) {
- if (tmpbias1 + tmpbias2 > 2*bits_left) { /* ---> */
+ for (j = 1; j < p->numvector_size; j++) {
+ if (tmpbias1 + tmpbias2 > 2 * bits_left) { /* ---> */
int max = -999999;
- index=-1;
- for (i=0 ; i<p->total_subbands ; i++){
+ index = -1;
+ for (i = 0; i < p->total_subbands; i++) {
if (exp_index1[i] < 7) {
- v = (-2*exp_index1[i]) - quant_index_table[i] + bias;
- if ( v >= max) {
- max = v;
+ v = (-2 * exp_index1[i]) - quant_index_table[i] + bias;
+ if (v >= max) {
+ max = v;
index = i;
}
}
}
- if(index==-1)break;
+ if (index == -1)
+ break;
tmp_categorize_array[tmp_categorize_array1_idx++] = index;
tmpbias1 -= expbits_tab[exp_index1[index]] -
- expbits_tab[exp_index1[index]+1];
+ expbits_tab[exp_index1[index] + 1];
++exp_index1[index];
} else { /* <--- */
int min = 999999;
- index=-1;
- for (i=0 ; i<p->total_subbands ; i++){
- if(exp_index2[i] > 0){
- v = (-2*exp_index2[i])-quant_index_table[i]+bias;
- if ( v < min) {
- min = v;
+ index = -1;
+ for (i = 0; i < p->total_subbands; i++) {
+ if (exp_index2[i] > 0) {
+ v = (-2 * exp_index2[i]) - quant_index_table[i] + bias;
+ if (v < min) {
+ min = v;
index = i;
}
}
}
- if(index == -1)break;
+ if (index == -1)
+ break;
tmp_categorize_array[--tmp_categorize_array2_idx] = index;
tmpbias2 -= expbits_tab[exp_index2[index]] -
- expbits_tab[exp_index2[index]-1];
+ expbits_tab[exp_index2[index] - 1];
--exp_index2[index];
}
}
- for(i=0 ; i<p->total_subbands ; i++)
+ for (i = 0; i < p->total_subbands; i++)
category[i] = exp_index2[i];
- for(i=0 ; i<p->numvector_size-1 ; i++)
+ for (i = 0; i < p->numvector_size - 1; i++)
category_index[i] = tmp_categorize_array[tmp_categorize_array2_idx++];
-
}
@@ -495,13 +502,12 @@ static void categorize(COOKContext *q, COOKSubpacket *p, int* quant_index_table,
* @param category pointer to the category array
* @param category_index pointer to the category_index array
*/
-
-static inline void expand_category(COOKContext *q, int* category,
- int* category_index){
+static inline void expand_category(COOKContext *q, int *category,
+ int *category_index)
+{
int i;
- for(i=0 ; i<q->num_vectors ; i++){
+ for (i = 0; i < q->num_vectors; i++)
++category[category_index[i]];
- }
}
/**
@@ -514,23 +520,25 @@ static inline void expand_category(COOKContext *q, int* category,
* @param subband_coef_sign signs of coefficients
* @param mlt_p pointer into the mlt buffer
*/
-
static void scalar_dequant_float(COOKContext *q, int index, int quant_index,
- int* subband_coef_index, int* subband_coef_sign,
- float* mlt_p){
+ int *subband_coef_index, int *subband_coef_sign,
+ float *mlt_p)
+{
int i;
float f1;
- for(i=0 ; i<SUBBAND_SIZE ; i++) {
+ for (i = 0; i < SUBBAND_SIZE; i++) {
if (subband_coef_index[i]) {
f1 = quant_centroid_tab[index][subband_coef_index[i]];
- if (subband_coef_sign[i]) f1 = -f1;
+ if (subband_coef_sign[i])
+ f1 = -f1;
} else {
/* noise coding if subband_coef_index[i] == 0 */
f1 = dither_tab[index];
- if (av_lfg_get(&q->random_state) < 0x80000000) f1 = -f1;
+ if (av_lfg_get(&q->random_state) < 0x80000000)
+ f1 = -f1;
}
- mlt_p[i] = f1 * rootpow2tab[quant_index+63];
+ mlt_p[i] = f1 * rootpow2tab[quant_index + 63];
}
}
/**
@@ -541,35 +549,35 @@ static void scalar_dequant_float(COOKContext *q, int index, int quant_index,
* @param subband_coef_index array of indexes to quant_centroid_tab
* @param subband_coef_sign signs of coefficients
*/
-
-static int unpack_SQVH(COOKContext *q, COOKSubpacket *p, int category, int* subband_coef_index,
- int* subband_coef_sign) {
- int i,j;
- int vlc, vd ,tmp, result;
+static int unpack_SQVH(COOKContext *q, COOKSubpacket *p, int category,
+ int *subband_coef_index, int *subband_coef_sign)
+{
+ int i, j;
+ int vlc, vd, tmp, result;
vd = vd_tab[category];
result = 0;
- for(i=0 ; i<vpr_tab[category] ; i++){
+ for (i = 0; i < vpr_tab[category]; i++) {
vlc = get_vlc2(&q->gb, q->sqvh[category].table, q->sqvh[category].bits, 3);
- if (p->bits_per_subpacket < get_bits_count(&q->gb)){
+ if (p->bits_per_subpacket < get_bits_count(&q->gb)) {
vlc = 0;
result = 1;
}
- for(j=vd-1 ; j>=0 ; j--){
- tmp = (vlc * invradix_tab[category])/0x100000;
- subband_coef_index[vd*i+j] = vlc - tmp * (kmax_tab[category]+1);
+ for (j = vd - 1; j >= 0; j--) {
+ tmp = (vlc * invradix_tab[category]) / 0x100000;
+ subband_coef_index[vd * i + j] = vlc - tmp * (kmax_tab[category] + 1);
vlc = tmp;
}
- for(j=0 ; j<vd ; j++){
- if (subband_coef_index[i*vd + j]) {
- if(get_bits_count(&q->gb) < p->bits_per_subpacket){
- subband_coef_sign[i*vd+j] = get_bits1(&q->gb);
+ for (j = 0; j < vd; j++) {
+ if (subband_coef_index[i * vd + j]) {
+ if (get_bits_count(&q->gb) < p->bits_per_subpacket) {
+ subband_coef_sign[i * vd + j] = get_bits1(&q->gb);
} else {
- result=1;
- subband_coef_sign[i*vd+j]=0;
+ result = 1;
+ subband_coef_sign[i * vd + j] = 0;
}
} else {
- subband_coef_sign[i*vd+j]=0;
+ subband_coef_sign[i * vd + j] = 0;
}
}
}
@@ -585,10 +593,9 @@ static int unpack_SQVH(COOKContext *q, COOKSubpacket *p, int category, int* subb
* @param quant_index_table pointer to the array
* @param mlt_buffer pointer to mlt coefficients
*/
-
-
-static void decode_vectors(COOKContext* q, COOKSubpacket* p, int* category,
- int *quant_index_table, float* mlt_buffer){
+static void decode_vectors(COOKContext *q, COOKSubpacket *p, int *category,
+ int *quant_index_table, float *mlt_buffer)
+{
/* A zero in this table means that the subband coefficient is
random noise coded. */
int subband_coef_index[SUBBAND_SIZE];
@@ -596,28 +603,29 @@ static void decode_vectors(COOKContext* q, COOKSubpacket* p, int* category,
positive multiplicator. */
int subband_coef_sign[SUBBAND_SIZE];
int band, j;
- int index=0;
+ int index = 0;
- for(band=0 ; band<p->total_subbands ; band++){
+ for (band = 0; band < p->total_subbands; band++) {
index = category[band];
- if(category[band] < 7){
- if(unpack_SQVH(q, p, category[band], subband_coef_index, subband_coef_sign)){
- index=7;
- for(j=0 ; j<p->total_subbands ; j++) category[band+j]=7;
+ if (category[band] < 7) {
+ if (unpack_SQVH(q, p, category[band], subband_coef_index, subband_coef_sign)) {
+ index = 7;
+ for (j = 0; j < p->total_subbands; j++)
+ category[band + j] = 7;
}
}
- if(index>=7) {
+ if (index >= 7) {
memset(subband_coef_index, 0, sizeof(subband_coef_index));
- memset(subband_coef_sign, 0, sizeof(subband_coef_sign));
+ memset(subband_coef_sign, 0, sizeof(subband_coef_sign));
}
q->scalar_dequant(q, index, quant_index_table[band],
subband_coef_index, subband_coef_sign,
&mlt_buffer[band * SUBBAND_SIZE]);
}
- if(p->total_subbands*SUBBAND_SIZE >= q->samples_per_channel){
+ /* FIXME: should this be removed, or moved into loop above? */
+ if (p->total_subbands * SUBBAND_SIZE >= q->samples_per_channel)
return;
- } /* FIXME: should this be removed, or moved into loop above? */
}
@@ -627,9 +635,8 @@ static void decode_vectors(COOKContext* q, COOKSubpacket* p, int* category,
* @param q pointer to the COOKContext
* @param mlt_buffer pointer to mlt coefficients
*/
-
-static void mono_decode(COOKContext *q, COOKSubpacket *p, float* mlt_buffer) {
-
+static void mono_decode(COOKContext *q, COOKSubpacket *p, float *mlt_buffer)
+{
int category_index[128];
int quant_index_table[102];
int category[128];
@@ -638,7 +645,7 @@ static void mono_decode(COOKContext *q, COOKSubpacket *p, float* mlt_buffer) {
memset(&category_index, 0, sizeof(category_index));
decode_envelope(q, p, quant_index_table);
- q->num_vectors = get_bits(&q->gb,p->log2_numvector_size);
+ q->num_vectors = get_bits(&q->gb, p->log2_numvector_size);
categorize(q, p, quant_index_table, category, category_index);
expand_category(q, category, category_index);
decode_vectors(q, p, category, quant_index_table, mlt_buffer);
@@ -653,22 +660,21 @@ static void mono_decode(COOKContext *q, COOKSubpacket *p, float* mlt_buffer) {
* @param gain_index index for the block multiplier
* @param gain_index_next index for the next block multiplier
*/
-
-static void interpolate_float(COOKContext *q, float* buffer,
- int gain_index, int gain_index_next){
+static void interpolate_float(COOKContext *q, float *buffer,
+ int gain_index, int gain_index_next)
+{
int i;
float fc1, fc2;
- fc1 = pow2tab[gain_index+63];
-
- if(gain_index == gain_index_next){ //static gain
- for(i=0 ; i<q->gain_size_factor ; i++){
- buffer[i]*=fc1;
- }
- } else { //smooth gain
- fc2 = q->gain_table[11 + (gain_index_next-gain_index)];
- for(i=0 ; i<q->gain_size_factor ; i++){
- buffer[i]*=fc1;
- fc1*=fc2;
+ fc1 = pow2tab[gain_index + 63];
+
+ if (gain_index == gain_index_next) { // static gain
+ for (i = 0; i < q->gain_size_factor; i++)
+ buffer[i] *= fc1;
+ } else { // smooth gain
+ fc2 = q->gain_table[11 + (gain_index_next - gain_index)];
+ for (i = 0; i < q->gain_size_factor; i++) {
+ buffer[i] *= fc1;
+ fc1 *= fc2;
}
}
}
@@ -681,9 +687,8 @@ static void interpolate_float(COOKContext *q, float* buffer,
* @param gains_ptr current and previous gains
* @param previous_buffer pointer to the previous buffer to be used for overlapping
*/
-
-static void imlt_window_float (COOKContext *q, float *inbuffer,
- cook_gains *gains_ptr, float *previous_buffer)
+static void imlt_window_float(COOKContext *q, float *inbuffer,
+ cook_gains *gains_ptr, float *previous_buffer)
{
const float fc = pow2tab[gains_ptr->previous[0] + 63];
int i;
@@ -694,10 +699,9 @@ static void imlt_window_float (COOKContext *q, float *inbuffer,
*/
/* Apply window and overlap */
- for(i = 0; i < q->samples_per_channel; i++){
+ for (i = 0; i < q->samples_per_channel; i++)
inbuffer[i] = inbuffer[i] * fc * q->mlt_window[i] -
- previous_buffer[i] * q->mlt_window[q->samples_per_channel - 1 - i];
- }
+ previous_buffer[i] * q->mlt_window[q->samples_per_channel - 1 - i];
}
/**
@@ -711,9 +715,8 @@ static void imlt_window_float (COOKContext *q, float *inbuffer,
* @param gains_ptr current and previous gains
* @param previous_buffer pointer to the previous buffer to be used for overlapping
*/
-
static void imlt_gain(COOKContext *q, float *inbuffer,
- cook_gains *gains_ptr, float* previous_buffer)
+ cook_gains *gains_ptr, float *previous_buffer)
{
float *buffer0 = q->mono_mdct_output;
float *buffer1 = q->mono_mdct_output + q->samples_per_channel;
@@ -722,14 +725,13 @@ static void imlt_gain(COOKContext *q, float *inbuffer,
/* Inverse modified discrete cosine transform */
q->mdct_ctx.imdct_calc(&q->mdct_ctx, q->mono_mdct_output, inbuffer);
- q->imlt_window (q, buffer1, gains_ptr, previous_buffer);
+ q->imlt_window(q, buffer1, gains_ptr, previous_buffer);
/* Apply gain profile */
- for (i = 0; i < 8; i++) {
+ for (i = 0; i < 8; i++)
if (gains_ptr->now[i] || gains_ptr->now[i + 1])
q->interpolate(q, &buffer1[q->gain_size_factor * i],
gains_ptr->now[i], gains_ptr->now[i + 1]);
- }
/* Save away the current to be previous block. */
memcpy(previous_buffer, buffer0,
@@ -749,19 +751,18 @@ static void decouple_info(COOKContext *q, COOKSubpacket *p, int *decouple_tab)
int i;
int vlc = get_bits1(&q->gb);
int start = cplband[p->js_subband_start];
- int end = cplband[p->subbands-1];
+ int end = cplband[p->subbands - 1];
int length = end - start + 1;
if (start > end)
return;
- if (vlc) {
+ if (vlc)
for (i = 0; i < length; i++)
decouple_tab[start + i] = get_vlc2(&q->gb, p->ccpl.table, p->ccpl.bits, 2);
- } else {
+ else
for (i = 0; i < length; i++)
decouple_tab[start + i] = get_bits(&q->gb, p->js_vlc_bits);
- }
}
/*
@@ -775,18 +776,18 @@ static void decouple_info(COOKContext *q, COOKSubpacket *p, int *decouple_tab)
* @param mlt_buffer1 pointer to left channel mlt coefficients
* @param mlt_buffer2 pointer to right channel mlt coefficients
*/
-static void decouple_float (COOKContext *q,
- COOKSubpacket *p,
- int subband,
- float f1, float f2,
- float *decode_buffer,
- float *mlt_buffer1, float *mlt_buffer2)
+static void decouple_float(COOKContext *q,
+ COOKSubpacket *p,
+ int subband,
+ float f1, float f2,
+ float *decode_buffer,
+ float *mlt_buffer1, float *mlt_buffer2)
{
int j, tmp_idx;
- for (j=0 ; j<SUBBAND_SIZE ; j++) {
- tmp_idx = ((p->js_subband_start + subband)*SUBBAND_SIZE)+j;
- mlt_buffer1[SUBBAND_SIZE*subband + j] = f1 * decode_buffer[tmp_idx];
- mlt_buffer2[SUBBAND_SIZE*subband + j] = f2 * decode_buffer[tmp_idx];
+ for (j = 0; j < SUBBAND_SIZE; j++) {
+ tmp_idx = ((p->js_subband_start + subband) * SUBBAND_SIZE) + j;
+ mlt_buffer1[SUBBAND_SIZE * subband + j] = f1 * decode_buffer[tmp_idx];
+ mlt_buffer2[SUBBAND_SIZE * subband + j] = f2 * decode_buffer[tmp_idx];
}
}
@@ -797,15 +798,15 @@ static void decouple_float (COOKContext *q,
* @param mlt_buffer1 pointer to left channel mlt coefficients
* @param mlt_buffer2 pointer to right channel mlt coefficients
*/
-
-static void joint_decode(COOKContext *q, COOKSubpacket *p, float* mlt_buffer1,
- float* mlt_buffer2) {
- int i,j;
+static void joint_decode(COOKContext *q, COOKSubpacket *p, float *mlt_buffer1,
+ float *mlt_buffer2)
+{
+ int i, j;
int decouple_tab[SUBBAND_SIZE];
float *decode_buffer = q->decode_buffer_0;
int idx, cpl_tmp;
- float f1,f2;
- const float* cplscale;
+ float f1, f2;
+ const float *cplscale;
memset(decouple_tab, 0, sizeof(decouple_tab));
memset(decode_buffer, 0, sizeof(q->decode_buffer_0));
@@ -817,23 +818,23 @@ static void joint_decode(COOKContext *q, COOKSubpacket *p, float* mlt_buffer1,
mono_decode(q, p, decode_buffer);
/* The two channels are stored interleaved in decode_buffer. */
- for (i=0 ; i<p->js_subband_start ; i++) {
- for (j=0 ; j<SUBBAND_SIZE ; j++) {
- mlt_buffer1[i*20+j] = decode_buffer[i*40+j];
- mlt_buffer2[i*20+j] = decode_buffer[i*40+20+j];
+ for (i = 0; i < p->js_subband_start; i++) {
+ for (j = 0; j < SUBBAND_SIZE; j++) {
+ mlt_buffer1[i * 20 + j] = decode_buffer[i * 40 + j];
+ mlt_buffer2[i * 20 + j] = decode_buffer[i * 40 + 20 + j];
}
}
/* When we reach js_subband_start (the higher frequencies)
the coefficients are stored in a coupling scheme. */
idx = (1 << p->js_vlc_bits) - 1;
- for (i=p->js_subband_start ; i<p->subbands ; i++) {
+ for (i = p->js_subband_start; i < p->subbands; i++) {
cpl_tmp = cplband[i];
- idx -=decouple_tab[cpl_tmp];
- cplscale = q->cplscales[p->js_vlc_bits-2]; //choose decoupler table
+ idx -= decouple_tab[cpl_tmp];
+ cplscale = q->cplscales[p->js_vlc_bits - 2]; // choose decoupler table
f1 = cplscale[decouple_tab[cpl_tmp]];
- f2 = cplscale[idx-1];
- q->decouple (q, p, i, f1, f2, decode_buffer, mlt_buffer1, mlt_buffer2);
+ f2 = cplscale[idx - 1];
+ q->decouple(q, p, i, f1, f2, decode_buffer, mlt_buffer1, mlt_buffer2);
idx = (1 << p->js_vlc_bits) - 1;
}
}
@@ -846,15 +847,14 @@ static void joint_decode(COOKContext *q, COOKSubpacket *p, float* mlt_buffer1,
* @param inbuffer pointer to raw stream data
* @param gains_ptr array of current/prev gain pointers
*/
-
-static inline void
-decode_bytes_and_gain(COOKContext *q, COOKSubpacket *p, const uint8_t *inbuffer,
- cook_gains *gains_ptr)
+static inline void decode_bytes_and_gain(COOKContext *q, COOKSubpacket *p,
+ const uint8_t *inbuffer,
+ cook_gains *gains_ptr)
{
int offset;
offset = decode_bytes(inbuffer, q->decoded_bytes_buffer,
- p->bits_per_subpacket/8);
+ p->bits_per_subpacket / 8);
init_get_bits(&q->gb, q->decoded_bytes_buffer + offset,
p->bits_per_subpacket);
decode_gain_info(&q->gb, gains_ptr->now);
@@ -863,7 +863,7 @@ decode_bytes_and_gain(COOKContext *q, COOKSubpacket *p, const uint8_t *inbuffer,
FFSWAP(int *, gains_ptr->now, gains_ptr->previous);
}
- /**
+/**
* Saturate the output signal and interleave.
*
* @param q pointer to the COOKContext
@@ -891,11 +891,9 @@ static void saturate_output_float(COOKContext *q, int chan, float *out)
* @param out pointer to the output buffer
* @param chan 0: left or single channel, 1: right channel
*/
-
-static inline void
-mlt_compensate_output(COOKContext *q, float *decode_buffer,
- cook_gains *gains_ptr, float *previous_buffer,
- float *out, int chan)
+static inline void mlt_compensate_output(COOKContext *q, float *decode_buffer,
+ cook_gains *gains_ptr, float *previous_buffer,
+ float *out, int chan)
{
imlt_gain(q, decode_buffer, gains_ptr, previous_buffer);
if (out)
@@ -916,11 +914,10 @@ static void decode_subpacket(COOKContext *q, COOKSubpacket *p,
{
int sub_packet_size = p->size;
/* packet dump */
-// for (i=0 ; i<sub_packet_size ; i++) {
-// av_log(q->avctx, AV_LOG_ERROR, "%02x", inbuffer[i]);
-// }
-// av_log(q->avctx, AV_LOG_ERROR, "\n");
- memset(q->decode_buffer_1,0,sizeof(q->decode_buffer_1));
+ // for (i = 0; i < sub_packet_size ; i++)
+ // av_log(q->avctx, AV_LOG_ERROR, "%02x", inbuffer[i]);
+ // av_log(q->avctx, AV_LOG_ERROR, "\n");
+ memset(q->decode_buffer_1, 0, sizeof(q->decode_buffer_1));
decode_bytes_and_gain(q, p, inbuffer, &p->gains1);
if (p->joint_stereo) {
@@ -929,7 +926,7 @@ static void decode_subpacket(COOKContext *q, COOKSubpacket *p,
mono_decode(q, p, q->decode_buffer_1);
if (p->num_channels == 2) {
- decode_bytes_and_gain(q, p, inbuffer + sub_packet_size/2, &p->gains2);
+ decode_bytes_and_gain(q, p, inbuffer + sub_packet_size / 2, &p->gains2);
mono_decode(q, p, q->decode_buffer_2);
}
}
@@ -937,16 +934,13 @@ static void decode_subpacket(COOKContext *q, COOKSubpacket *p,
mlt_compensate_output(q, q->decode_buffer_1, &p->gains1,
p->mono_previous_buffer1, outbuffer, p->ch_idx);
- if (p->num_channels == 2) {
- if (p->joint_stereo) {
+ if (p->num_channels == 2)
+ if (p->joint_stereo)
mlt_compensate_output(q, q->decode_buffer_2, &p->gains1,
p->mono_previous_buffer2, outbuffer, p->ch_idx + 1);
- } else {
+ else
mlt_compensate_output(q, q->decode_buffer_2, &p->gains2,
p->mono_previous_buffer2, outbuffer, p->ch_idx + 1);
- }
- }
-
}
@@ -955,7 +949,6 @@ static void decode_subpacket(COOKContext *q, COOKSubpacket *p,
*
* @param avctx pointer to the AVCodecContext
*/
-
static int cook_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame_ptr, AVPacket *avpkt)
{
@@ -977,30 +970,37 @@ static int cook_decode_frame(AVCodecContext *avctx, void *data,
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
- samples = (float *)q->frame.data[0];
+ samples = (float *) q->frame.data[0];
}
/* estimate subpacket sizes */
q->subpacket[0].size = avctx->block_align;
- for(i=1;i<q->num_subpackets;i++){
+ for (i = 1; i < q->num_subpackets; i++) {
q->subpacket[i].size = 2 * buf[avctx->block_align - q->num_subpackets + i];
q->subpacket[0].size -= q->subpacket[i].size + 1;
if (q->subpacket[0].size < 0) {
- av_log(avctx,AV_LOG_DEBUG,"frame subpacket size total > avctx->block_align!\n");
+ av_log(avctx, AV_LOG_DEBUG,
+ "frame subpacket size total > avctx->block_align!\n");
return AVERROR_INVALIDDATA;
}
}
/* decode supbackets */
- for(i=0;i<q->num_subpackets;i++){
- q->subpacket[i].bits_per_subpacket = (q->subpacket[i].size*8)>>q->subpacket[i].bits_per_subpdiv;
+ for (i = 0; i < q->num_subpackets; i++) {
+ q->subpacket[i].bits_per_subpacket = (q->subpacket[i].size * 8) >>
+ q->subpacket[i].bits_per_subpdiv;
q->subpacket[i].ch_idx = chidx;
- av_log(avctx,AV_LOG_DEBUG,"subpacket[%i] size %i js %i %i block_align %i\n",i,q->subpacket[i].size,q->subpacket[i].joint_stereo,offset,avctx->block_align);
+ av_log(avctx, AV_LOG_DEBUG,
+ "subpacket[%i] size %i js %i %i block_align %i\n",
+ i, q->subpacket[i].size, q->subpacket[i].joint_stereo, offset,
+ avctx->block_align);
+
decode_subpacket(q, &q->subpacket[i], buf + offset, samples);
offset += q->subpacket[i].size;
chidx += q->subpacket[i].num_channels;
- av_log(avctx,AV_LOG_DEBUG,"subpacket[%i] %i %i\n",i,q->subpacket[i].size * 8,get_bits_count(&q->gb));
+ av_log(avctx, AV_LOG_DEBUG, "subpacket[%i] %i %i\n",
+ i, q->subpacket[i].size * 8, get_bits_count(&q->gb));
}
/* Discard the first two frames: no valid audio. */
@@ -1010,8 +1010,8 @@ static int cook_decode_frame(AVCodecContext *avctx, void *data,
return avctx->block_align;
}
- *got_frame_ptr = 1;
- *(AVFrame *)data = q->frame;
+ *got_frame_ptr = 1;
+ *(AVFrame *) data = q->frame;
return avctx->block_align;
}
@@ -1020,34 +1020,34 @@ static int cook_decode_frame(AVCodecContext *avctx, void *data,
static void dump_cook_context(COOKContext *q)
{
//int i=0;
-#define PRINT(a,b) av_log(q->avctx,AV_LOG_ERROR," %s = %d\n", a, b);
- av_log(q->avctx,AV_LOG_ERROR,"COOKextradata\n");
- av_log(q->avctx,AV_LOG_ERROR,"cookversion=%x\n",q->subpacket[0].cookversion);
+#define PRINT(a, b) av_log(q->avctx, AV_LOG_ERROR, " %s = %d\n", a, b);
+ av_log(q->avctx, AV_LOG_ERROR, "COOKextradata\n");
+ av_log(q->avctx, AV_LOG_ERROR, "cookversion=%x\n", q->subpacket[0].cookversion);
if (q->subpacket[0].cookversion > STEREO) {
- PRINT("js_subband_start",q->subpacket[0].js_subband_start);
- PRINT("js_vlc_bits",q->subpacket[0].js_vlc_bits);
+ PRINT("js_subband_start", q->subpacket[0].js_subband_start);
+ PRINT("js_vlc_bits", q->subpacket[0].js_vlc_bits);
}
- av_log(q->avctx,AV_LOG_ERROR,"COOKContext\n");
- PRINT("nb_channels",q->nb_channels);
- PRINT("bit_rate",q->bit_rate);
- PRINT("sample_rate",q->sample_rate);
- PRINT("samples_per_channel",q->subpacket[0].samples_per_channel);
- PRINT("samples_per_frame",q->subpacket[0].samples_per_frame);
- PRINT("subbands",q->subpacket[0].subbands);
- PRINT("js_subband_start",q->subpacket[0].js_subband_start);
- PRINT("log2_numvector_size",q->subpacket[0].log2_numvector_size);
- PRINT("numvector_size",q->subpacket[0].numvector_size);
- PRINT("total_subbands",q->subpacket[0].total_subbands);
+ av_log(q->avctx, AV_LOG_ERROR, "COOKContext\n");
+ PRINT("nb_channels", q->nb_channels);
+ PRINT("bit_rate", q->bit_rate);
+ PRINT("sample_rate", q->sample_rate);
+ PRINT("samples_per_channel", q->subpacket[0].samples_per_channel);
+ PRINT("samples_per_frame", q->subpacket[0].samples_per_frame);
+ PRINT("subbands", q->subpacket[0].subbands);
+ PRINT("js_subband_start", q->subpacket[0].js_subband_start);
+ PRINT("log2_numvector_size", q->subpacket[0].log2_numvector_size);
+ PRINT("numvector_size", q->subpacket[0].numvector_size);
+ PRINT("total_subbands", q->subpacket[0].total_subbands);
}
#endif
-static av_cold int cook_count_channels(unsigned int mask){
+static av_cold int cook_count_channels(unsigned int mask)
+{
int i;
int channels = 0;
- for(i = 0;i<32;i++){
- if(mask & (1<<i))
+ for (i = 0; i < 32; i++)
+ if (mask & (1 << i))
++channels;
- }
return channels;
}
@@ -1056,7 +1056,6 @@ static av_cold int cook_count_channels(unsigned int mask){
*
* @param avctx pointer to the AVCodecContext
*/
-
static av_cold int cook_decode_init(AVCodecContext *avctx)
{
COOKContext *q = avctx->priv_data;
@@ -1070,10 +1069,10 @@ static av_cold int cook_decode_init(AVCodecContext *avctx)
/* Take care of the codec specific extradata. */
if (extradata_size <= 0) {
- av_log(avctx,AV_LOG_ERROR,"Necessary extradata missing!\n");
+ av_log(avctx, AV_LOG_ERROR, "Necessary extradata missing!\n");
return AVERROR_INVALIDDATA;
}
- av_log(avctx,AV_LOG_DEBUG,"codecdata_length=%d\n",avctx->extradata_size);
+ av_log(avctx, AV_LOG_DEBUG, "codecdata_length=%d\n", avctx->extradata_size);
/* Take data from the AVCodecContext (RM container). */
q->sample_rate = avctx->sample_rate;
@@ -1083,17 +1082,17 @@ static av_cold int cook_decode_init(AVCodecContext *avctx)
/* Initialize RNG. */
av_lfg_init(&q->random_state, 0);
- while(edata_ptr < edata_ptr_end){
+ while (edata_ptr < edata_ptr_end) {
/* 8 for mono, 16 for stereo, ? for multichannel
Swap to right endianness so we don't need to care later on. */
- if (extradata_size >= 8){
+ if (extradata_size >= 8) {
q->subpacket[s].cookversion = bytestream_get_be32(&edata_ptr);
- q->subpacket[s].samples_per_frame = bytestream_get_be16(&edata_ptr);
+ q->subpacket[s].samples_per_frame = bytestream_get_be16(&edata_ptr);
q->subpacket[s].subbands = bytestream_get_be16(&edata_ptr);
extradata_size -= 8;
}
if (extradata_size >= 8) {
- bytestream_get_be32(&edata_ptr); //Unknown unused
+ bytestream_get_be32(&edata_ptr); // Unknown unused
q->subpacket[s].js_subband_start = bytestream_get_be16(&edata_ptr);
q->subpacket[s].js_vlc_bits = bytestream_get_be16(&edata_ptr);
extradata_size -= 8;
@@ -1110,69 +1109,72 @@ static av_cold int cook_decode_init(AVCodecContext *avctx)
/* Initialize version-dependent variables */
- av_log(avctx,AV_LOG_DEBUG,"subpacket[%i].cookversion=%x\n",s,q->subpacket[s].cookversion);
+ av_log(avctx, AV_LOG_DEBUG, "subpacket[%i].cookversion=%x\n", s,
+ q->subpacket[s].cookversion);
q->subpacket[s].joint_stereo = 0;
switch (q->subpacket[s].cookversion) {
- case MONO:
- if (q->nb_channels != 1) {
- av_log_ask_for_sample(avctx, "Container channels != 1.\n");
- return AVERROR_PATCHWELCOME;
- }
- av_log(avctx,AV_LOG_DEBUG,"MONO\n");
- break;
- case STEREO:
- if (q->nb_channels != 1) {
- q->subpacket[s].bits_per_subpdiv = 1;
- q->subpacket[s].num_channels = 2;
- }
- av_log(avctx,AV_LOG_DEBUG,"STEREO\n");
- break;
- case JOINT_STEREO:
- if (q->nb_channels != 2) {
- av_log_ask_for_sample(avctx, "Container channels != 2.\n");
- return AVERROR_PATCHWELCOME;
- }
- av_log(avctx,AV_LOG_DEBUG,"JOINT_STEREO\n");
- if (avctx->extradata_size >= 16){
- q->subpacket[s].total_subbands = q->subpacket[s].subbands + q->subpacket[s].js_subband_start;
- q->subpacket[s].joint_stereo = 1;
- q->subpacket[s].num_channels = 2;
- }
+ case MONO:
+ if (q->nb_channels != 1) {
+ av_log_ask_for_sample(avctx, "Container channels != 1.\n");
+ return AVERROR_PATCHWELCOME;
+ }
+ av_log(avctx, AV_LOG_DEBUG, "MONO\n");
+ break;
+ case STEREO:
+ if (q->nb_channels != 1) {
+ q->subpacket[s].bits_per_subpdiv = 1;
+ q->subpacket[s].num_channels = 2;
+ }
+ av_log(avctx, AV_LOG_DEBUG, "STEREO\n");
+ break;
+ case JOINT_STEREO:
+ if (q->nb_channels != 2) {
+ av_log_ask_for_sample(avctx, "Container channels != 2.\n");
+ return AVERROR_PATCHWELCOME;
+ }
+ av_log(avctx, AV_LOG_DEBUG, "JOINT_STEREO\n");
+ if (avctx->extradata_size >= 16) {
+ q->subpacket[s].total_subbands = q->subpacket[s].subbands +
+ q->subpacket[s].js_subband_start;
+ q->subpacket[s].joint_stereo = 1;
+ q->subpacket[s].num_channels = 2;
+ }
+ if (q->subpacket[s].samples_per_channel > 256) {
+ q->subpacket[s].log2_numvector_size = 6;
+ }
+ if (q->subpacket[s].samples_per_channel > 512) {
+ q->subpacket[s].log2_numvector_size = 7;
+ }
+ break;
+ case MC_COOK:
+ av_log(avctx, AV_LOG_DEBUG, "MULTI_CHANNEL\n");
+ if (extradata_size >= 4)
+ channel_mask |= q->subpacket[s].channel_mask = bytestream_get_be32(&edata_ptr);
+
+ if (cook_count_channels(q->subpacket[s].channel_mask) > 1) {
+ q->subpacket[s].total_subbands = q->subpacket[s].subbands +
+ q->subpacket[s].js_subband_start;
+ q->subpacket[s].joint_stereo = 1;
+ q->subpacket[s].num_channels = 2;
+ q->subpacket[s].samples_per_channel = q->subpacket[s].samples_per_frame >> 1;
+
if (q->subpacket[s].samples_per_channel > 256) {
- q->subpacket[s].log2_numvector_size = 6;
+ q->subpacket[s].log2_numvector_size = 6;
}
if (q->subpacket[s].samples_per_channel > 512) {
- q->subpacket[s].log2_numvector_size = 7;
+ q->subpacket[s].log2_numvector_size = 7;
}
- break;
- case MC_COOK:
- av_log(avctx,AV_LOG_DEBUG,"MULTI_CHANNEL\n");
- if(extradata_size >= 4)
- channel_mask |= q->subpacket[s].channel_mask = bytestream_get_be32(&edata_ptr);
-
- if(cook_count_channels(q->subpacket[s].channel_mask) > 1){
- q->subpacket[s].total_subbands = q->subpacket[s].subbands + q->subpacket[s].js_subband_start;
- q->subpacket[s].joint_stereo = 1;
- q->subpacket[s].num_channels = 2;
- q->subpacket[s].samples_per_channel = q->subpacket[s].samples_per_frame >> 1;
-
- if (q->subpacket[s].samples_per_channel > 256) {
- q->subpacket[s].log2_numvector_size = 6;
- }
- if (q->subpacket[s].samples_per_channel > 512) {
- q->subpacket[s].log2_numvector_size = 7;
- }
- }else
- q->subpacket[s].samples_per_channel = q->subpacket[s].samples_per_frame;
+ } else
+ q->subpacket[s].samples_per_channel = q->subpacket[s].samples_per_frame;
- break;
- default:
- av_log_ask_for_sample(avctx, "Unknown Cook version.\n");
- return AVERROR_PATCHWELCOME;
+ break;
+ default:
+ av_log_ask_for_sample(avctx, "Unknown Cook version.\n");
+ return AVERROR_PATCHWELCOME;
}
- if(s > 1 && q->subpacket[s].samples_per_channel != q->samples_per_channel) {
- av_log(avctx,AV_LOG_ERROR,"different number of samples per channel!\n");
+ if (s > 1 && q->subpacket[s].samples_per_channel != q->samples_per_channel) {
+ av_log(avctx, AV_LOG_ERROR, "different number of samples per channel!\n");
return AVERROR_INVALIDDATA;
} else
q->samples_per_channel = q->subpacket[0].samples_per_channel;
@@ -1187,9 +1189,10 @@ static av_cold int cook_decode_init(AVCodecContext *avctx)
return AVERROR_PATCHWELCOME;
}
- if ((q->subpacket[s].js_vlc_bits > 6) || (q->subpacket[s].js_vlc_bits < 2*q->subpacket[s].joint_stereo)) {
- av_log(avctx,AV_LOG_ERROR,"js_vlc_bits = %d, only >= %d and <= 6 allowed!\n",
- q->subpacket[s].js_vlc_bits, 2*q->subpacket[s].joint_stereo);
+ if ((q->subpacket[s].js_vlc_bits > 6) ||
+ (q->subpacket[s].js_vlc_bits < 2 * q->subpacket[s].joint_stereo)) {
+ av_log(avctx, AV_LOG_ERROR, "js_vlc_bits = %d, only >= %d and <= 6 allowed!\n",
+ q->subpacket[s].js_vlc_bits, 2 * q->subpacket[s].joint_stereo);
return AVERROR_INVALIDDATA;
}
@@ -1218,16 +1221,16 @@ static av_cold int cook_decode_init(AVCodecContext *avctx)
return ret;
- if(avctx->block_align >= UINT_MAX/2)
+ if (avctx->block_align >= UINT_MAX / 2)
return AVERROR(EINVAL);
/* Pad the databuffer with:
DECODE_BYTES_PAD1 or DECODE_BYTES_PAD2 for decode_bytes(),
FF_INPUT_BUFFER_PADDING_SIZE, for the bitstreamreader. */
- q->decoded_bytes_buffer =
- av_mallocz(avctx->block_align
- + DECODE_BYTES_PAD1(avctx->block_align)
- + FF_INPUT_BUFFER_PADDING_SIZE);
+ q->decoded_bytes_buffer =
+ av_mallocz(avctx->block_align
+ + DECODE_BYTES_PAD1(avctx->block_align)
+ + FF_INPUT_BUFFER_PADDING_SIZE);
if (q->decoded_bytes_buffer == NULL)
return AVERROR(ENOMEM);
@@ -1245,7 +1248,8 @@ static av_cold int cook_decode_init(AVCodecContext *avctx)
}
/* Try to catch some obviously faulty streams, othervise it might be exploitable */
- if ((q->samples_per_channel == 256) || (q->samples_per_channel == 512) || (q->samples_per_channel == 1024)) {
+ if ((q->samples_per_channel == 256) || (q->samples_per_channel == 512)
+ || (q->samples_per_channel == 1024)) {
} else {
av_log_ask_for_sample(avctx,
"unknown amount of samples_per_channel = %d\n",
@@ -1257,7 +1261,7 @@ static av_cold int cook_decode_init(AVCodecContext *avctx)
if (channel_mask)
avctx->channel_layout = channel_mask;
else
- avctx->channel_layout = (avctx->channels==2) ? AV_CH_LAYOUT_STEREO : AV_CH_LAYOUT_MONO;
+ avctx->channel_layout = (avctx->channels == 2) ? AV_CH_LAYOUT_STEREO : AV_CH_LAYOUT_MONO;
avcodec_get_frame_defaults(&q->frame);
avctx->coded_frame = &q->frame;
@@ -1268,16 +1272,14 @@ static av_cold int cook_decode_init(AVCodecContext *avctx)
return 0;
}
-
-AVCodec ff_cook_decoder =
-{
- .name = "cook",
- .type = AVMEDIA_TYPE_AUDIO,
- .id = CODEC_ID_COOK,
+AVCodec ff_cook_decoder = {
+ .name = "cook",
+ .type = AVMEDIA_TYPE_AUDIO,
+ .id = CODEC_ID_COOK,
.priv_data_size = sizeof(COOKContext),
- .init = cook_decode_init,
- .close = cook_decode_close,
- .decode = cook_decode_frame,
- .capabilities = CODEC_CAP_DR1,
- .long_name = NULL_IF_CONFIG_SMALL("COOK"),
+ .init = cook_decode_init,
+ .close = cook_decode_close,
+ .decode = cook_decode_frame,
+ .capabilities = CODEC_CAP_DR1,
+ .long_name = NULL_IF_CONFIG_SMALL("COOK"),
};
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