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few bistream fixes and verbosity tweaks

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Originally committed as revision 4225 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ivan Kalvachev 2005-05-12 15:13:19 +00:00
parent 4ad8ecd136
commit 25a0a0a58f
1 changed files with 47 additions and 18 deletions
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65
libavcodec/vc9.c
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@ -459,7 +459,7 @@ static int decode_hrd(VC9Context *v, GetBitContext *gb)
{ {
int i, num; int i, num;
num = get_bits(gb, 5); num = 1 + get_bits(gb, 5);
if (v->hrd_rate || num != v->hrd_num_leaky_buckets) if (v->hrd_rate || num != v->hrd_num_leaky_buckets)
{ {
@ -478,21 +478,21 @@ static int decode_hrd(VC9Context *v, GetBitContext *gb)
v->hrd_num_leaky_buckets = num; v->hrd_num_leaky_buckets = num;
//exponent in base-2 for rate //exponent in base-2 for rate
v->bit_rate_exponent = get_bits(gb, 4); v->bit_rate_exponent = 6 + get_bits(gb, 4);
//exponent in base-2 for buffer_size //exponent in base-2 for buffer_size
v->buffer_size_exponent = get_bits(gb, 4); v->buffer_size_exponent = 4 + get_bits(gb, 4);
for (i=0; i<num; i++) for (i=0; i<num; i++)
{ {
//mantissae, ordered (if not, use a function ? //mantissae, ordered (if not, use a function ?
v->hrd_rate[i] = get_bits(gb, 16); v->hrd_rate[i] = 1 + get_bits(gb, 16);
if (i && v->hrd_rate[i-1]>=v->hrd_rate[i]) if (i && v->hrd_rate[i-1]>=v->hrd_rate[i])
{ {
av_log(v->s.avctx, AV_LOG_ERROR, "HDR Rates aren't strictly increasing:" av_log(v->s.avctx, AV_LOG_ERROR, "HDR Rates aren't strictly increasing:"
"%i vs %i\n", v->hrd_rate[i-1], v->hrd_rate[i]); "%i vs %i\n", v->hrd_rate[i-1], v->hrd_rate[i]);
return -1; return -1;
} }
v->hrd_buffer[i] = get_bits(gb, 16); v->hrd_buffer[i] = 1 + get_bits(gb, 16);
if (i && v->hrd_buffer[i-1]<v->hrd_buffer[i]) if (i && v->hrd_buffer[i-1]<v->hrd_buffer[i])
{ {
av_log(v->s.avctx, AV_LOG_ERROR, "HDR Buffers aren't decreasing:" av_log(v->s.avctx, AV_LOG_ERROR, "HDR Buffers aren't decreasing:"
@ -536,22 +536,22 @@ static int decode_advanced_sequence_header(AVCodecContext *avctx, GetBitContext
/* 6.1.7, p21 */ /* 6.1.7, p21 */
if (get_bits(gb, 1) /* pic_size_flag */) if (get_bits(gb, 1) /* pic_size_flag */)
{ {
avctx->coded_width = get_bits(gb, 12); avctx->coded_width = get_bits(gb, 12) << 1;
avctx->coded_height = get_bits(gb, 12); avctx->coded_height = get_bits(gb, 12) << 1;
if ( get_bits(gb, 1) /* disp_size_flag */) if ( get_bits(gb, 1) /* disp_size_flag */)
{ {
avctx->width = get_bits(gb, 14); avctx->width = get_bits(gb, 14);
avctx->height = get_bits(gb, 14); avctx->height = get_bits(gb, 14);
} }
/* 6.1.7.4, p22 */ /* 6.1.7.4, p23 */
if ( get_bits(gb, 1) /* aspect_ratio_flag */) if ( get_bits(gb, 1) /* aspect_ratio_flag */)
{ {
aspect_ratio = get_bits(gb, 4); //SAR aspect_ratio = get_bits(gb, 4); //SAR
if (aspect_ratio == 0x0F) //FF_ASPECT_EXTENDED if (aspect_ratio == 0x0F) //FF_ASPECT_EXTENDED
{ {
avctx->sample_aspect_ratio.num = get_bits(gb, 8); avctx->sample_aspect_ratio.num = 1 + get_bits(gb, 8);
avctx->sample_aspect_ratio.den = get_bits(gb, 8); avctx->sample_aspect_ratio.den = 1 + get_bits(gb, 8);
} }
else if (aspect_ratio == 0x0E) else if (aspect_ratio == 0x0E)
{ {
@ -570,9 +570,9 @@ static int decode_advanced_sequence_header(AVCodecContext *avctx, GetBitContext
} }
/* 6.1.8, p23 */ /* 6.1.8, p23 */
if ( !get_bits(gb, 1) /* framerateflag */) if ( get_bits(gb, 1) /* framerateflag */)
{ {
if ( get_bits(gb, 1) /* framerateind */) if ( !get_bits(gb, 1) /* framerateind */)
{ {
nr = get_bits(gb, 8); nr = get_bits(gb, 8);
dr = get_bits(gb, 4); dr = get_bits(gb, 4);
@ -585,18 +585,21 @@ static int decode_advanced_sequence_header(AVCodecContext *avctx, GetBitContext
{ {
av_log(avctx, AV_LOG_ERROR, av_log(avctx, AV_LOG_ERROR,
"Reserved FRAMERATENR %i not handled\n", nr); "Reserved FRAMERATENR %i not handled\n", nr);
nr = 5; /* overflow protection */
} }
if (dr<1) if (dr<1)
{ {
av_log(avctx, AV_LOG_ERROR, "0 is forbidden for FRAMERATEDR\n"); av_log(avctx, AV_LOG_ERROR, "0 is forbidden for FRAMERATEDR\n");
return -1;
} }
if (dr>2) if (dr>2)
{ {
av_log(avctx, AV_LOG_ERROR, av_log(avctx, AV_LOG_ERROR,
"Reserved FRAMERATEDR %i not handled\n", dr); "Reserved FRAMERATEDR %i not handled\n", dr);
dr = 2; /* overflow protection */
} }
avctx->time_base.num = fps_nr[dr]; avctx->time_base.num = fps_nr[dr - 1];
avctx->time_base.den = fps_nr[nr]; avctx->time_base.den = fps_nr[nr - 1];
} }
else else
{ {
@ -615,7 +618,7 @@ static int decode_advanced_sequence_header(AVCodecContext *avctx, GetBitContext
v->color_prim = get_bits(gb, 8); v->color_prim = get_bits(gb, 8);
if (v->color_prim<1) if (v->color_prim<1)
{ {
av_log(avctx, AV_LOG_ERROR, "0 for COLOR_PRIM is reserved\n"); av_log(avctx, AV_LOG_ERROR, "0 for COLOR_PRIM is forbidden\n");
return -1; return -1;
} }
if (v->color_prim == 3 || v->color_prim>6) if (v->color_prim == 3 || v->color_prim>6)
@ -627,6 +630,11 @@ static int decode_advanced_sequence_header(AVCodecContext *avctx, GetBitContext
//Opto-electronic transfer characteristics //Opto-electronic transfer characteristics
v->transfer_char = get_bits(gb, 8); v->transfer_char = get_bits(gb, 8);
if (v->transfer_char < 1)
{
av_log(avctx, AV_LOG_ERROR, "0 for TRAMSFER_CHAR is forbidden\n");
return -1;
}
if (v->transfer_char == 3 || v->transfer_char>8) if (v->transfer_char == 3 || v->transfer_char>8)
{ {
av_log(avctx, AV_LOG_DEBUG, "Reserved TRANSFERT_CHAR %i found\n", av_log(avctx, AV_LOG_DEBUG, "Reserved TRANSFERT_CHAR %i found\n",
@ -636,8 +644,12 @@ static int decode_advanced_sequence_header(AVCodecContext *avctx, GetBitContext
//Matrix coefficient for primariev->YCbCr //Matrix coefficient for primariev->YCbCr
v->matrix_coef = get_bits(gb, 8); v->matrix_coef = get_bits(gb, 8);
if (v->matrix_coef < 1) return -1; //forbidden if (v->matrix_coef < 1)
if ((v->matrix_coef>3 && v->matrix_coef<6) || v->matrix_coef>7) {
av_log(avctx, AV_LOG_ERROR, "0 for MATRIX_COEF is forbidden\n");
return -1;
}
if ((v->matrix_coef > 2 && v->matrix_coef < 6) || v->matrix_coef > 7)
{ {
av_log(avctx, AV_LOG_DEBUG, "Reserved MATRIX_COEF %i found\n", av_log(avctx, AV_LOG_DEBUG, "Reserved MATRIX_COEF %i found\n",
v->color_prim); v->color_prim);
@ -671,12 +683,19 @@ static int decode_sequence_header(AVCodecContext *avctx, GetBitContext *gb)
av_log(avctx, AV_LOG_DEBUG, "Header: %0X\n", show_bits(gb, 32)); av_log(avctx, AV_LOG_DEBUG, "Header: %0X\n", show_bits(gb, 32));
v->profile = get_bits(gb, 2); v->profile = get_bits(gb, 2);
if (v->profile == 2) if (v->profile == 2)
av_log(avctx, AV_LOG_ERROR, "Profile 2 is reserved\n"); {
av_log(avctx, AV_LOG_ERROR, "Profile value 2 is forbidden\n");
return -1;
}
#if HAS_ADVANCED_PROFILE #if HAS_ADVANCED_PROFILE
if (v->profile == PROFILE_ADVANCED) if (v->profile == PROFILE_ADVANCED)
{ {
v->level = get_bits(gb, 3); v->level = get_bits(gb, 3);
if(v->level >= 5)
{
av_log(avctx, AV_LOG_ERROR, "Reserved LEVEL %i\n",v->level);
}
v->chromaformat = get_bits(gb, 2); v->chromaformat = get_bits(gb, 2);
if (v->chromaformat != 1) if (v->chromaformat != 1)
{ {
@ -702,6 +721,11 @@ static int decode_sequence_header(AVCodecContext *avctx, GetBitContext *gb)
// (bitrate-32kbps)/64kbps // (bitrate-32kbps)/64kbps
v->bitrtq_postproc = get_bits(gb, 5); //common v->bitrtq_postproc = get_bits(gb, 5); //common
v->s.loop_filter = get_bits(gb, 1); //common v->s.loop_filter = get_bits(gb, 1); //common
if(v->s.loop_filter == 1 && v->profile == PROFILE_SIMPLE)
{
av_log(avctx, AV_LOG_ERROR,
"LOOPFILTER shell not be enabled in simple profile\n");
}
#if HAS_ADVANCED_PROFILE #if HAS_ADVANCED_PROFILE
if (v->profile < PROFILE_ADVANCED) if (v->profile < PROFILE_ADVANCED)
@ -762,6 +786,11 @@ static int decode_sequence_header(AVCodecContext *avctx, GetBitContext *gb)
{ {
v->s.resync_marker = get_bits(gb, 1); v->s.resync_marker = get_bits(gb, 1);
v->rangered = get_bits(gb, 1); v->rangered = get_bits(gb, 1);
if (v->rangered && v->profile == PROFILE_SIMPLE)
{
av_log(avctx, AV_LOG_DEBUG,
"RANGERED should be set to 0 in simple profile\n");
}
} }
v->s.max_b_frames = avctx->max_b_frames = get_bits(gb, 3); //common v->s.max_b_frames = avctx->max_b_frames = get_bits(gb, 3); //common