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Diffstat (limited to 'contrib/ffmpeg/libavcodec/mpegaudiodec.c')
-rw-r--r--contrib/ffmpeg/libavcodec/mpegaudiodec.c121
1 files changed, 60 insertions, 61 deletions
diff --git a/contrib/ffmpeg/libavcodec/mpegaudiodec.c b/contrib/ffmpeg/libavcodec/mpegaudiodec.c
index 54bcee3b0..d64c9f611 100644
--- a/contrib/ffmpeg/libavcodec/mpegaudiodec.c
+++ b/contrib/ffmpeg/libavcodec/mpegaudiodec.c
@@ -90,6 +90,7 @@ typedef struct MPADecodeContext {
int adu_mode; ///< 0 for standard mp3, 1 for adu formatted mp3
int dither_state;
int error_resilience;
+ AVCodecContext* avctx;
} MPADecodeContext;
/**
@@ -143,8 +144,8 @@ static VLC huff_quad_vlc[2];
static uint16_t band_index_long[9][23];
/* XXX: free when all decoders are closed */
#define TABLE_4_3_SIZE (8191 + 16)*4
-static int8_t *table_4_3_exp;
-static uint32_t *table_4_3_value;
+static int8_t table_4_3_exp[TABLE_4_3_SIZE];
+static uint32_t table_4_3_value[TABLE_4_3_SIZE];
static uint32_t exp_table[512];
static uint32_t expval_table[512][16];
/* intensity stereo coef table */
@@ -301,6 +302,8 @@ static int decode_init(AVCodecContext * avctx)
static int init=0;
int i, j, k;
+ s->avctx = avctx;
+
#if defined(USE_HIGHPRECISION) && defined(CONFIG_AUDIO_NONSHORT)
avctx->sample_fmt= SAMPLE_FMT_S32;
#else
@@ -327,11 +330,11 @@ static int decode_init(AVCodecContext * avctx)
for(i=0;i<15;i++) {
int n, norm;
n = i + 2;
- norm = ((int64_t_C(1) << n) * FRAC_ONE) / ((1 << n) - 1);
+ norm = ((INT64_C(1) << n) * FRAC_ONE) / ((1 << n) - 1);
scale_factor_mult[i][0] = MULL(FIXR(1.0 * 2.0), norm);
scale_factor_mult[i][1] = MULL(FIXR(0.7937005259 * 2.0), norm);
scale_factor_mult[i][2] = MULL(FIXR(0.6299605249 * 2.0), norm);
- dprintf("%d: norm=%x s=%x %x %x\n",
+ dprintf(avctx, "%d: norm=%x s=%x %x %x\n",
i, norm,
scale_factor_mult[i][0],
scale_factor_mult[i][1],
@@ -381,12 +384,6 @@ static int decode_init(AVCodecContext * avctx)
}
/* compute n ^ (4/3) and store it in mantissa/exp format */
- table_4_3_exp= av_mallocz_static(TABLE_4_3_SIZE * sizeof(table_4_3_exp[0]));
- if(!table_4_3_exp)
- return -1;
- table_4_3_value= av_mallocz_static(TABLE_4_3_SIZE * sizeof(table_4_3_value[0]));
- if(!table_4_3_value)
- return -1;
int_pow_init();
for(i=1;i<TABLE_4_3_SIZE;i++) {
@@ -436,7 +433,7 @@ static int decode_init(AVCodecContext * avctx)
k = i & 1;
is_table_lsf[j][k ^ 1][i] = FIXR(f);
is_table_lsf[j][k][i] = FIXR(1.0);
- dprintf("is_table_lsf %d %d: %x %x\n",
+ dprintf(avctx, "is_table_lsf %d %d: %x %x\n",
i, j, is_table_lsf[j][0][i], is_table_lsf[j][1][i]);
}
}
@@ -1172,20 +1169,20 @@ static int decode_header(MPADecodeContext *s, uint32_t header)
}
#if defined(DEBUG)
- dprintf("layer%d, %d Hz, %d kbits/s, ",
+ dprintf(s->avctx, "layer%d, %d Hz, %d kbits/s, ",
s->layer, s->sample_rate, s->bit_rate);
if (s->nb_channels == 2) {
if (s->layer == 3) {
if (s->mode_ext & MODE_EXT_MS_STEREO)
- dprintf("ms-");
+ dprintf(s->avctx, "ms-");
if (s->mode_ext & MODE_EXT_I_STEREO)
- dprintf("i-");
+ dprintf(s->avctx, "i-");
}
- dprintf("stereo");
+ dprintf(s->avctx, "stereo");
} else {
- dprintf("mono");
+ dprintf(s->avctx, "mono");
}
- dprintf("\n");
+ dprintf(s->avctx, "\n");
#endif
return 0;
}
@@ -1195,6 +1192,7 @@ static int decode_header(MPADecodeContext *s, uint32_t header)
int mpa_decode_header(AVCodecContext *avctx, uint32_t head, int *sample_rate)
{
MPADecodeContext s1, *s = &s1;
+ s1.avctx = avctx;
if (ff_mpa_check_header(head) != 0)
return -1;
@@ -1336,7 +1334,7 @@ static int mp_decode_layer2(MPADecodeContext *s)
else
bound = sblimit;
- dprintf("bound=%d sblimit=%d\n", bound, sblimit);
+ dprintf(s->avctx, "bound=%d sblimit=%d\n", bound, sblimit);
/* sanity check */
if( bound > sblimit ) bound = sblimit;
@@ -1362,8 +1360,8 @@ static int mp_decode_layer2(MPADecodeContext *s)
{
for(ch=0;ch<s->nb_channels;ch++) {
for(i=0;i<sblimit;i++)
- dprintf(" %d", bit_alloc[ch][i]);
- dprintf("\n");
+ dprintf(s->avctx, " %d", bit_alloc[ch][i]);
+ dprintf(s->avctx, "\n");
}
}
#endif
@@ -1413,12 +1411,12 @@ static int mp_decode_layer2(MPADecodeContext *s)
for(i=0;i<sblimit;i++) {
if (bit_alloc[ch][i]) {
sf = scale_factors[ch][i];
- dprintf(" %d %d %d", sf[0], sf[1], sf[2]);
+ dprintf(s->avctx, " %d %d %d", sf[0], sf[1], sf[2]);
} else {
- dprintf(" -");
+ dprintf(s->avctx, " -");
}
}
- dprintf("\n");
+ dprintf(s->avctx, "\n");
}
#endif
@@ -1592,6 +1590,19 @@ static inline int get_bitsz(GetBitContext *s, int n)
return get_bits(s, n);
}
+
+static void switch_buffer(MPADecodeContext *s, int *pos, int *end_pos, int *end_pos2){
+ if(s->in_gb.buffer && *pos >= s->gb.size_in_bits){
+ s->gb= s->in_gb;
+ s->in_gb.buffer=NULL;
+ assert((get_bits_count(&s->gb) & 7) == 0);
+ skip_bits_long(&s->gb, *pos - *end_pos);
+ *end_pos2=
+ *end_pos= *end_pos2 + get_bits_count(&s->gb) - *pos;
+ *pos= get_bits_count(&s->gb);
+ }
+}
+
static int huffman_decode(MPADecodeContext *s, GranuleDef *g,
int16_t *exponents, int end_pos2)
{
@@ -1627,15 +1638,7 @@ static int huffman_decode(MPADecodeContext *s, GranuleDef *g,
if (pos >= end_pos){
// av_log(NULL, AV_LOG_ERROR, "pos: %d %d %d %d\n", pos, end_pos, end_pos2, s_index);
- if(s->in_gb.buffer && pos >= s->gb.size_in_bits){
- s->gb= s->in_gb;
- s->in_gb.buffer=NULL;
- assert((get_bits_count(&s->gb) & 7) == 0);
- skip_bits_long(&s->gb, pos - end_pos);
- end_pos2=
- end_pos= end_pos2 + get_bits_count(&s->gb) - pos;
- pos= get_bits_count(&s->gb);
- }
+ switch_buffer(s, &pos, &end_pos, &end_pos2);
// av_log(NULL, AV_LOG_ERROR, "new pos: %d %d\n", pos, end_pos);
if(pos >= end_pos)
break;
@@ -1651,7 +1654,7 @@ static int huffman_decode(MPADecodeContext *s, GranuleDef *g,
exponent= exponents[s_index];
- dprintf("region=%d n=%d x=%d y=%d exp=%d\n",
+ dprintf(s->avctx, "region=%d n=%d x=%d y=%d exp=%d\n",
i, g->region_size[i] - j, x, y, exponent);
if(y&16){
x = y >> 5;
@@ -1712,15 +1715,7 @@ static int huffman_decode(MPADecodeContext *s, GranuleDef *g,
break;
}
// av_log(NULL, AV_LOG_ERROR, "pos2: %d %d %d %d\n", pos, end_pos, end_pos2, s_index);
- if(s->in_gb.buffer && pos >= s->gb.size_in_bits){
- s->gb= s->in_gb;
- s->in_gb.buffer=NULL;
- assert((get_bits_count(&s->gb) & 7) == 0);
- skip_bits_long(&s->gb, pos - end_pos);
- end_pos2=
- end_pos= end_pos2 + get_bits_count(&s->gb) - pos;
- pos= get_bits_count(&s->gb);
- }
+ switch_buffer(s, &pos, &end_pos, &end_pos2);
// av_log(NULL, AV_LOG_ERROR, "new pos2: %d %d %d\n", pos, end_pos, s_index);
if(pos >= end_pos)
break;
@@ -1728,7 +1723,7 @@ static int huffman_decode(MPADecodeContext *s, GranuleDef *g,
last_pos= pos;
code = get_vlc2(&s->gb, vlc->table, vlc->bits, 1);
- dprintf("t=%d code=%d\n", g->count1table_select, code);
+ dprintf(s->avctx, "t=%d code=%d\n", g->count1table_select, code);
g->sb_hybrid[s_index+0]=
g->sb_hybrid[s_index+1]=
g->sb_hybrid[s_index+2]=
@@ -1747,9 +1742,9 @@ static int huffman_decode(MPADecodeContext *s, GranuleDef *g,
s_index+=4;
}
/* skip extension bits */
- bits_left = end_pos - get_bits_count(&s->gb);
+ bits_left = end_pos2 - get_bits_count(&s->gb);
//av_log(NULL, AV_LOG_ERROR, "left:%d buf:%p\n", bits_left, s->in_gb.buffer);
- if (bits_left < 0 || bits_left > 16) {
+ if (bits_left < 0/* || bits_left > 500*/) {
av_log(NULL, AV_LOG_ERROR, "bits_left=%d\n", bits_left);
s_index=0;
}else if(bits_left > 0 && s->error_resilience >= FF_ER_AGGRESSIVE){
@@ -1759,6 +1754,9 @@ static int huffman_decode(MPADecodeContext *s, GranuleDef *g,
memset(&g->sb_hybrid[s_index], 0, sizeof(*g->sb_hybrid)*(576 - s_index));
skip_bits_long(&s->gb, bits_left);
+ i= get_bits_count(&s->gb);
+ switch_buffer(s, &i, &end_pos, &end_pos2);
+
return 0;
}
@@ -2168,12 +2166,12 @@ static int mp_decode_layer3(MPADecodeContext *s)
for(gr=0;gr<nb_granules;gr++) {
for(ch=0;ch<s->nb_channels;ch++) {
- dprintf("gr=%d ch=%d: side_info\n", gr, ch);
+ dprintf(s->avctx, "gr=%d ch=%d: side_info\n", gr, ch);
g = &granules[ch][gr];
g->part2_3_length = get_bits(&s->gb, 12);
g->big_values = get_bits(&s->gb, 9);
if(g->big_values > 288){
- av_log(NULL, AV_LOG_ERROR, "big_values too big\n");
+ av_log(s->avctx, AV_LOG_ERROR, "big_values too big\n");
return -1;
}
@@ -2220,7 +2218,7 @@ static int mp_decode_layer3(MPADecodeContext *s)
/* compute huffman coded region sizes */
region_address1 = get_bits(&s->gb, 4);
region_address2 = get_bits(&s->gb, 3);
- dprintf("region1=%d region2=%d\n",
+ dprintf(s->avctx, "region1=%d region2=%d\n",
region_address1, region_address2);
g->region_size[0] =
band_index_long[s->sample_rate_index][region_address1 + 1] >> 1;
@@ -2269,7 +2267,7 @@ static int mp_decode_layer3(MPADecodeContext *s)
g->preflag = get_bits(&s->gb, 1);
g->scalefac_scale = get_bits(&s->gb, 1);
g->count1table_select = get_bits(&s->gb, 1);
- dprintf("block_type=%d switch_point=%d\n",
+ dprintf(s->avctx, "block_type=%d switch_point=%d\n",
g->block_type, g->switch_point);
}
}
@@ -2278,7 +2276,7 @@ static int mp_decode_layer3(MPADecodeContext *s)
const uint8_t *ptr = s->gb.buffer + (get_bits_count(&s->gb)>>3);
assert((get_bits_count(&s->gb) & 7) == 0);
/* now we get bits from the main_data_begin offset */
- dprintf("seekback: %d\n", main_data_begin);
+ dprintf(s->avctx, "seekback: %d\n", main_data_begin);
//av_log(NULL, AV_LOG_ERROR, "backstep:%d, lastbuf:%d\n", main_data_begin, s->last_buf_size);
memcpy(s->last_buf + s->last_buf_size, ptr, EXTRABYTES);
@@ -2312,7 +2310,7 @@ static int mp_decode_layer3(MPADecodeContext *s)
/* MPEG1 scale factors */
slen1 = slen_table[0][g->scalefac_compress];
slen2 = slen_table[1][g->scalefac_compress];
- dprintf("slen1=%d slen2=%d\n", slen1, slen2);
+ dprintf(s->avctx, "slen1=%d slen2=%d\n", slen1, slen2);
if (g->block_type == 2) {
n = g->switch_point ? 17 : 18;
j = 0;
@@ -2358,11 +2356,11 @@ static int mp_decode_layer3(MPADecodeContext *s)
}
#if defined(DEBUG)
{
- dprintf("scfsi=%x gr=%d ch=%d scale_factors:\n",
+ dprintf(s->avctx, "scfsi=%x gr=%d ch=%d scale_factors:\n",
g->scfsi, gr, ch);
for(i=0;i<j;i++)
- dprintf(" %d", g->scale_factors[i]);
- dprintf("\n");
+ dprintf(s->avctx, " %d", g->scale_factors[i]);
+ dprintf(s->avctx, "\n");
}
#endif
} else {
@@ -2420,11 +2418,11 @@ static int mp_decode_layer3(MPADecodeContext *s)
g->scale_factors[j] = 0;
#if defined(DEBUG)
{
- dprintf("gr=%d ch=%d scale_factors:\n",
+ dprintf(s->avctx, "gr=%d ch=%d scale_factors:\n",
gr, ch);
for(i=0;i<40;i++)
- dprintf(" %d", g->scale_factors[i]);
- dprintf("\n");
+ dprintf(s->avctx, " %d", g->scale_factors[i]);
+ dprintf(s->avctx, "\n");
}
#endif
}
@@ -2475,7 +2473,7 @@ static int mp_decode_frame(MPADecodeContext *s,
if (s->error_protection)
get_bits(&s->gb, 16);
- dprintf("frame %d:\n", s->frame_count);
+ dprintf(s->avctx, "frame %d:\n", s->frame_count);
switch(s->layer) {
case 1:
nb_frames = mp_decode_layer1(s);
@@ -2518,10 +2516,10 @@ static int mp_decode_frame(MPADecodeContext *s,
for(i=0;i<nb_frames;i++) {
for(ch=0;ch<s->nb_channels;ch++) {
int j;
- dprintf("%d-%d:", i, ch);
+ dprintf(s->avctx, "%d-%d:", i, ch);
for(j=0;j<SBLIMIT;j++)
- dprintf(" %0.6f", (double)s->sb_samples[ch][i][j] / FRAC_ONE);
- dprintf("\n");
+ dprintf(s->avctx, " %0.6f", (double)s->sb_samples[ch][i][j] / FRAC_ONE);
+ dprintf(s->avctx, "\n");
}
}
#endif
@@ -2717,6 +2715,7 @@ static int decode_init_mp3on4(AVCodecContext * avctx)
s->mp3decctx[i] = av_mallocz(sizeof(MPADecodeContext));
s->mp3decctx[i]->compute_antialias = s->mp3decctx[0]->compute_antialias;
s->mp3decctx[i]->adu_mode = 1;
+ s->mp3decctx[i]->avctx = avctx;
}
return 0;
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-26 20:40:52 +0000