* Copyright (c) 2000,2001 Fabrice Bellard
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
- * @file libavcodec/mpeg12.c
+ * @file
* MPEG-1/2 decoder
*/
#include "bytestream.h"
#include "vdpau_internal.h"
#include "xvmc_internal.h"
+#include "thread.h"
//#undef NDEBUG
//#include <assert.h>
#define MB_PTYPE_VLC_BITS 6
#define MB_BTYPE_VLC_BITS 6
+static inline int mpeg1_decode_block_intra(MpegEncContext *s,
+ DCTELEM *block,
+ int n);
static inline int mpeg1_decode_block_inter(MpegEncContext *s,
DCTELEM *block,
int n);
{
s->y_dc_scale_table=
- s->c_dc_scale_table= mpeg2_dc_scale_table[s->intra_dc_precision];
+ s->c_dc_scale_table= ff_mpeg2_dc_scale_table[s->intra_dc_precision];
}
/******************************************/
/* decoding */
+VLC ff_dc_lum_vlc;
+VLC ff_dc_chroma_vlc;
+
static VLC mv_vlc;
static VLC mbincr_vlc;
static VLC mb_ptype_vlc;
if (!done) {
done = 1;
- INIT_VLC_STATIC(&dc_lum_vlc, DC_VLC_BITS, 12,
+ INIT_VLC_STATIC(&ff_dc_lum_vlc, DC_VLC_BITS, 12,
ff_mpeg12_vlc_dc_lum_bits, 1, 1,
ff_mpeg12_vlc_dc_lum_code, 2, 2, 512);
- INIT_VLC_STATIC(&dc_chroma_vlc, DC_VLC_BITS, 12,
+ INIT_VLC_STATIC(&ff_dc_chroma_vlc, DC_VLC_BITS, 12,
ff_mpeg12_vlc_dc_chroma_bits, 1, 1,
ff_mpeg12_vlc_dc_chroma_code, 2, 2, 514);
INIT_VLC_STATIC(&mv_vlc, MV_VLC_BITS, 17,
int i, j, k, cbp, val, mb_type, motion_type;
const int mb_block_count = 4 + (1<< s->chroma_format);
- dprintf(s->avctx, "decode_mb: x=%d y=%d\n", s->mb_x, s->mb_y);
+ av_dlog(s->avctx, "decode_mb: x=%d y=%d\n", s->mb_x, s->mb_y);
assert(s->mb_skipped==0);
if (s->mb_skip_run-- != 0) {
- if (s->pict_type == FF_P_TYPE) {
+ if (s->pict_type == AV_PICTURE_TYPE_P) {
s->mb_skipped = 1;
- s->current_picture.mb_type[ s->mb_x + s->mb_y*s->mb_stride ]= MB_TYPE_SKIP | MB_TYPE_L0 | MB_TYPE_16x16;
+ s->current_picture.f.mb_type[s->mb_x + s->mb_y * s->mb_stride] = MB_TYPE_SKIP | MB_TYPE_L0 | MB_TYPE_16x16;
} else {
int mb_type;
if(s->mb_x)
- mb_type= s->current_picture.mb_type[ s->mb_x + s->mb_y*s->mb_stride - 1];
+ mb_type = s->current_picture.f.mb_type[s->mb_x + s->mb_y * s->mb_stride - 1];
else
- mb_type= s->current_picture.mb_type[ s->mb_width + (s->mb_y-1)*s->mb_stride - 1]; // FIXME not sure if this is allowed in MPEG at all
+ mb_type = s->current_picture.f.mb_type[s->mb_width + (s->mb_y - 1) * s->mb_stride - 1]; // FIXME not sure if this is allowed in MPEG at all
if(IS_INTRA(mb_type))
return -1;
- s->current_picture.mb_type[ s->mb_x + s->mb_y*s->mb_stride ]=
+ s->current_picture.f.mb_type[s->mb_x + s->mb_y*s->mb_stride] =
mb_type | MB_TYPE_SKIP;
-// assert(s->current_picture.mb_type[ s->mb_x + s->mb_y*s->mb_stride - 1]&(MB_TYPE_16x16|MB_TYPE_16x8));
+// assert(s->current_picture.f.mb_type[s->mb_x + s->mb_y * s->mb_stride - 1]&(MB_TYPE_16x16|MB_TYPE_16x8));
if((s->mv[0][0][0]|s->mv[0][0][1]|s->mv[1][0][0]|s->mv[1][0][1])==0)
s->mb_skipped = 1;
switch(s->pict_type) {
default:
- case FF_I_TYPE:
+ case AV_PICTURE_TYPE_I:
if (get_bits1(&s->gb) == 0) {
if (get_bits1(&s->gb) == 0){
av_log(s->avctx, AV_LOG_ERROR, "invalid mb type in I Frame at %d %d\n", s->mb_x, s->mb_y);
mb_type = MB_TYPE_INTRA;
}
break;
- case FF_P_TYPE:
+ case AV_PICTURE_TYPE_P:
mb_type = get_vlc2(&s->gb, mb_ptype_vlc.table, MB_PTYPE_VLC_BITS, 1);
if (mb_type < 0){
av_log(s->avctx, AV_LOG_ERROR, "invalid mb type in P Frame at %d %d\n", s->mb_x, s->mb_y);
}
mb_type = ptype2mb_type[ mb_type ];
break;
- case FF_B_TYPE:
+ case AV_PICTURE_TYPE_B:
mb_type = get_vlc2(&s->gb, mb_btype_vlc.table, MB_BTYPE_VLC_BITS, 1);
if (mb_type < 0){
av_log(s->avctx, AV_LOG_ERROR, "invalid mb type in B Frame at %d %d\n", s->mb_x, s->mb_y);
mb_type = btype2mb_type[ mb_type ];
break;
}
- dprintf(s->avctx, "mb_type=%x\n", mb_type);
+ av_dlog(s->avctx, "mb_type=%x\n", mb_type);
// motion_type = 0; /* avoid warning */
if (IS_INTRA(mb_type)) {
s->dsp.clear_blocks(s->block[0]);
}
} else {
for(i=0;i<6;i++) {
- if (ff_mpeg1_decode_block_intra(s, *s->pblocks[i], i) < 0)
+ if (mpeg1_decode_block_intra(s, *s->pblocks[i], i) < 0)
return -1;
}
}
/* motion vectors */
s->mv_dir= (mb_type>>13)&3;
- dprintf(s->avctx, "motion_type=%d\n", motion_type);
+ av_dlog(s->avctx, "motion_type=%d\n", motion_type);
switch(motion_type) {
case MT_FRAME: /* or MT_16X8 */
if (s->picture_structure == PICT_FRAME) {
s->last_mv[i][j][0]);
s->last_mv[i][j][0] = val;
s->mv[i][j][0] = val;
- dprintf(s->avctx, "fmx=%d\n", val);
+ av_dlog(s->avctx, "fmx=%d\n", val);
val = mpeg_decode_motion(s, s->mpeg_f_code[i][1],
s->last_mv[i][j][1] >> 1);
s->last_mv[i][j][1] = val << 1;
s->mv[i][j][1] = val;
- dprintf(s->avctx, "fmy=%d\n", val);
+ av_dlog(s->avctx, "fmy=%d\n", val);
}
}
}
for(i=0;i<2;i++) {
if (USES_LIST(mb_type, i)) {
int dmx, dmy, mx, my, m;
+ const int my_shift= s->picture_structure == PICT_FRAME;
+
mx = mpeg_decode_motion(s, s->mpeg_f_code[i][0],
s->last_mv[i][0][0]);
s->last_mv[i][0][0] = mx;
s->last_mv[i][1][0] = mx;
dmx = get_dmv(s);
my = mpeg_decode_motion(s, s->mpeg_f_code[i][1],
- s->last_mv[i][0][1] >> 1);
+ s->last_mv[i][0][1] >> my_shift);
dmy = get_dmv(s);
- s->last_mv[i][0][1] = my<<1;
- s->last_mv[i][1][1] = my<<1;
+ s->last_mv[i][0][1] = my<<my_shift;
+ s->last_mv[i][1][1] = my<<my_shift;
s->mv[i][0][0] = mx;
s->mv[i][0][1] = my;
}
}
- s->current_picture.mb_type[ s->mb_x + s->mb_y*s->mb_stride ]= mb_type;
+ s->current_picture.f.mb_type[s->mb_x + s->mb_y * s->mb_stride] = mb_type;
return 0;
}
return val;
}
-inline int ff_mpeg1_decode_block_intra(MpegEncContext *s,
+static inline int mpeg1_decode_block_intra(MpegEncContext *s,
DCTELEM *block,
int n)
{
dc += diff;
s->last_dc[component] = dc;
block[0] = dc*quant_matrix[0];
- dprintf(s->avctx, "dc=%d diff=%d\n", dc, diff);
+ av_dlog(s->avctx, "dc=%d diff=%d\n", dc, diff);
i = 0;
{
OPEN_READER(re, &s->gb);
return 0;
}
+int ff_mpeg1_decode_block_intra(MpegEncContext *s,
+ DCTELEM *block,
+ int n)
+{
+ return mpeg1_decode_block_intra(s, block, n);
+}
+
static inline int mpeg1_decode_block_inter(MpegEncContext *s,
DCTELEM *block,
int n)
if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF)
goto end;
}
-#if MIN_CACHE_BITS < 19
- UPDATE_CACHE(re, &s->gb);
-#endif
/* now quantify & encode AC coefficients */
for(;;) {
GET_RL_VLC(level, run, re, &s->gb, rl->rl_vlc[0], TEX_VLC_BITS, 2, 0);
}
block[j] = level;
-#if MIN_CACHE_BITS < 19
- UPDATE_CACHE(re, &s->gb);
-#endif
if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF)
break;
-#if MIN_CACHE_BITS >= 19
UPDATE_CACHE(re, &s->gb);
-#endif
}
end:
LAST_SKIP_BITS(re, &s->gb, 2);
if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF)
goto end;
}
-#if MIN_CACHE_BITS < 19
- UPDATE_CACHE(re, &s->gb);
-#endif
/* now quantify & encode AC coefficients */
for(;;) {
}
block[j] = level;
-#if MIN_CACHE_BITS < 19
- UPDATE_CACHE(re, &s->gb);
-#endif
if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF)
break;
-#if MIN_CACHE_BITS >= 19
UPDATE_CACHE(re, &s->gb);
-#endif
}
end:
LAST_SKIP_BITS(re, &s->gb, 2);
if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF)
goto end;
}
-#if MIN_CACHE_BITS < 19
- UPDATE_CACHE(re, &s->gb);
-#endif
/* now quantify & encode AC coefficients */
for(;;) {
mismatch ^= level;
block[j] = level;
-#if MIN_CACHE_BITS < 19
- UPDATE_CACHE(re, &s->gb);
-#endif
if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF)
break;
-#if MIN_CACHE_BITS >= 19
UPDATE_CACHE(re, &s->gb);
-#endif
}
end:
LAST_SKIP_BITS(re, &s->gb, 2);
if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF)
goto end;
}
-#if MIN_CACHE_BITS < 19
- UPDATE_CACHE(re, &s->gb);
-#endif
/* now quantify & encode AC coefficients */
for(;;) {
}
block[j] = level;
-#if MIN_CACHE_BITS < 19
- UPDATE_CACHE(re, &s->gb);
-#endif
if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF)
break;
-#if MIN_CACHE_BITS >=19
UPDATE_CACHE(re, &s->gb);
-#endif
}
end:
LAST_SKIP_BITS(re, &s->gb, 2);
dc += diff;
s->last_dc[component] = dc;
block[0] = dc << (3 - s->intra_dc_precision);
- dprintf(s->avctx, "dc=%d\n", block[0]);
+ av_dlog(s->avctx, "dc=%d\n", block[0]);
mismatch = block[0] ^ 1;
i = 0;
if (s->intra_vlc_format)
MpegEncContext mpeg_enc_ctx;
int mpeg_enc_ctx_allocated; /* true if decoding context allocated */
int repeat_field; /* true if we must repeat the field */
- AVPanScan pan_scan; /** some temporary storage for the panscan */
+ AVPanScan pan_scan; /**< some temporary storage for the panscan */
int slice_count;
int swap_uv;//indicate VCR2
int save_aspect_info;
int save_width, save_height, save_progressive_seq;
AVRational frame_rate_ext; ///< MPEG-2 specific framerate modificator
-
+ int sync; ///< Did we reach a sync point like a GOP/SEQ/KEYFrame?
} Mpeg1Context;
static av_cold int mpeg_decode_init(AVCodecContext *avctx)
s->mpeg_enc_ctx.picture_number = 0;
s->repeat_field = 0;
s->mpeg_enc_ctx.codec_id= avctx->codec->id;
+ avctx->color_range= AVCOL_RANGE_MPEG;
+ if (avctx->codec->id == CODEC_ID_MPEG1VIDEO)
+ avctx->chroma_sample_location = AVCHROMA_LOC_CENTER;
+ else
+ avctx->chroma_sample_location = AVCHROMA_LOC_LEFT;
+ return 0;
+}
+
+static int mpeg_decode_update_thread_context(AVCodecContext *avctx, const AVCodecContext *avctx_from)
+{
+ Mpeg1Context *ctx = avctx->priv_data, *ctx_from = avctx_from->priv_data;
+ MpegEncContext *s = &ctx->mpeg_enc_ctx, *s1 = &ctx_from->mpeg_enc_ctx;
+ int err;
+
+ if(avctx == avctx_from || !ctx_from->mpeg_enc_ctx_allocated || !s1->context_initialized)
+ return 0;
+
+ err = ff_mpeg_update_thread_context(avctx, avctx_from);
+ if(err) return err;
+
+ if(!ctx->mpeg_enc_ctx_allocated)
+ memcpy(s + 1, s1 + 1, sizeof(Mpeg1Context) - sizeof(MpegEncContext));
+
+ if(!(s->pict_type == FF_B_TYPE || s->low_delay))
+ s->picture_number++;
+
return 0;
}
avctx->ticks_per_frame=2;
//MPEG-2 aspect
if(s->aspect_ratio_info > 1){
- //we ignore the spec here as reality does not match the spec, see for example
+ AVRational dar =
+ av_mul_q(
+ av_div_q(ff_mpeg2_aspect[s->aspect_ratio_info],
+ (AVRational){s1->pan_scan.width, s1->pan_scan.height}),
+ (AVRational){s->width, s->height});
+
+ // we ignore the spec here and guess a bit as reality does not match the spec, see for example
// res_change_ffmpeg_aspect.ts and sequence-display-aspect.mpg
- if( (s1->pan_scan.width == 0 )||(s1->pan_scan.height == 0) || 1){
+ // issue1613, 621, 562
+ if((s1->pan_scan.width == 0 ) || (s1->pan_scan.height == 0) ||
+ (av_cmp_q(dar,(AVRational){4,3}) && av_cmp_q(dar,(AVRational){16,9}))) {
s->avctx->sample_aspect_ratio=
av_div_q(
ff_mpeg2_aspect[s->aspect_ratio_info],
ff_mpeg2_aspect[s->aspect_ratio_info],
(AVRational){s1->pan_scan.width, s1->pan_scan.height}
);
+//issue1613 4/3 16/9 -> 16/9
+//res_change_ffmpeg_aspect.ts 4/3 225/44 ->4/3
+//widescreen-issue562.mpg 4/3 16/9 -> 16/9
+// s->avctx->sample_aspect_ratio= av_mul_q(s->avctx->sample_aspect_ratio, (AVRational){s->width, s->height});
+//av_log(NULL, AV_LOG_ERROR, "A %d/%d\n",ff_mpeg2_aspect[s->aspect_ratio_info].num, ff_mpeg2_aspect[s->aspect_ratio_info].den);
+//av_log(NULL, AV_LOG_ERROR, "B %d/%d\n",s->avctx->sample_aspect_ratio.num, s->avctx->sample_aspect_ratio.den);
}
}else{
s->avctx->sample_aspect_ratio=
MpegEncContext *s = &s1->mpeg_enc_ctx;
int ref, f_code, vbv_delay;
- if(mpeg_decode_postinit(s->avctx) < 0)
- return -2;
-
init_get_bits(&s->gb, buf, buf_size*8);
ref = get_bits(&s->gb, 10); /* temporal ref */
return -1;
vbv_delay= get_bits(&s->gb, 16);
- if (s->pict_type == FF_P_TYPE || s->pict_type == FF_B_TYPE) {
+ if (s->pict_type == AV_PICTURE_TYPE_P || s->pict_type == AV_PICTURE_TYPE_B) {
s->full_pel[0] = get_bits1(&s->gb);
f_code = get_bits(&s->gb, 3);
if (f_code == 0 && avctx->error_recognition >= FF_ER_COMPLIANT)
s->mpeg_f_code[0][0] = f_code;
s->mpeg_f_code[0][1] = f_code;
}
- if (s->pict_type == FF_B_TYPE) {
+ if (s->pict_type == AV_PICTURE_TYPE_B) {
s->full_pel[1] = get_bits1(&s->gb);
f_code = get_bits(&s->gb, 3);
if (f_code == 0 && avctx->error_recognition >= FF_ER_COMPLIANT)
s->mpeg_f_code[1][0] = f_code;
s->mpeg_f_code[1][1] = f_code;
}
- s->current_picture.pict_type= s->pict_type;
- s->current_picture.key_frame= s->pict_type == FF_I_TYPE;
+ s->current_picture.f.pict_type = s->pict_type;
+ s->current_picture.f.key_frame = s->pict_type == AV_PICTURE_TYPE_I;
if(avctx->debug & FF_DEBUG_PICT_INFO)
av_log(avctx, AV_LOG_DEBUG, "vbv_delay %d, ref %d type:%d\n", vbv_delay, ref, s->pict_type);
s->y_dc_scale = 8;
s->c_dc_scale = 8;
- s->first_slice = 1;
return 0;
}
s1->frame_rate_ext.num = get_bits(&s->gb, 2)+1;
s1->frame_rate_ext.den = get_bits(&s->gb, 5)+1;
- dprintf(s->avctx, "sequence extension\n");
+ av_dlog(s->avctx, "sequence extension\n");
s->codec_id= s->avctx->codec_id= CODEC_ID_MPEG2VIDEO;
s->avctx->sub_id = 2; /* indicates MPEG-2 found */
skip_bits(&s->gb, 3); /* video format */
color_description= get_bits1(&s->gb);
if(color_description){
- skip_bits(&s->gb, 8); /* color primaries */
- skip_bits(&s->gb, 8); /* transfer_characteristics */
- skip_bits(&s->gb, 8); /* matrix_coefficients */
+ s->avctx->color_primaries= get_bits(&s->gb, 8);
+ s->avctx->color_trc = get_bits(&s->gb, 8);
+ s->avctx->colorspace = get_bits(&s->gb, 8);
}
w= get_bits(&s->gb, 14);
skip_bits(&s->gb, 1); //marker
h= get_bits(&s->gb, 14);
- skip_bits(&s->gb, 1); //marker
+ // remaining 3 bits are zero padding
s1->pan_scan.width= 16*w;
s1->pan_scan.height=16*h;
av_log(s->avctx, AV_LOG_ERROR, "matrix damaged\n");
return -1;
}
+ if(intra && i==0 && v!=8){
+ av_log(s->avctx, AV_LOG_ERROR, "intra matrix invalid, ignoring\n");
+ v= 8; // needed by pink.mpg / issue1046
+ }
matrix0[j] = v;
if(matrix1)
matrix1[j] = v;
static void mpeg_decode_quant_matrix_extension(MpegEncContext *s)
{
- dprintf(s->avctx, "matrix extension\n");
+ av_dlog(s->avctx, "matrix extension\n");
if(get_bits1(&s->gb)) load_matrix(s, s->chroma_intra_matrix, s->intra_matrix, 1);
if(get_bits1(&s->gb)) load_matrix(s, s->chroma_inter_matrix, s->inter_matrix, 0);
av_log(s->avctx, AV_LOG_ERROR, "Missing picture start code, guessing missing values\n");
if(s->mpeg_f_code[1][0] == 15 && s->mpeg_f_code[1][1]==15){
if(s->mpeg_f_code[0][0] == 15 && s->mpeg_f_code[0][1] == 15)
- s->pict_type= FF_I_TYPE;
+ s->pict_type= AV_PICTURE_TYPE_I;
else
- s->pict_type= FF_P_TYPE;
+ s->pict_type= AV_PICTURE_TYPE_P;
}else
- s->pict_type= FF_B_TYPE;
- s->current_picture.pict_type= s->pict_type;
- s->current_picture.key_frame= s->pict_type == FF_I_TYPE;
- s->first_slice= 1;
+ s->pict_type= AV_PICTURE_TYPE_B;
+ s->current_picture.f.pict_type = s->pict_type;
+ s->current_picture.f.key_frame = s->pict_type == AV_PICTURE_TYPE_I;
}
s->intra_dc_precision = get_bits(&s->gb, 2);
s->picture_structure = get_bits(&s->gb, 2);
s->chroma_420_type = get_bits1(&s->gb);
s->progressive_frame = get_bits1(&s->gb);
+ if(s->progressive_sequence && !s->progressive_frame){
+ s->progressive_frame= 1;
+ av_log(s->avctx, AV_LOG_ERROR, "interlaced frame in progressive sequence, ignoring\n");
+ }
+
+ if(s->picture_structure==0 || (s->progressive_frame && s->picture_structure!=PICT_FRAME)){
+ av_log(s->avctx, AV_LOG_ERROR, "picture_structure %d invalid, ignoring\n", s->picture_structure);
+ s->picture_structure= PICT_FRAME;
+ }
+
+ if(s->progressive_sequence && !s->frame_pred_frame_dct){
+ av_log(s->avctx, AV_LOG_ERROR, "invalid frame_pred_frame_dct\n");
+ s->frame_pred_frame_dct= 1;
+ }
+
if(s->picture_structure == PICT_FRAME){
s->first_field=0;
s->v_edge_pos= 16*s->mb_height;
}
/* composite display not parsed */
- dprintf(s->avctx, "intra_dc_precision=%d\n", s->intra_dc_precision);
- dprintf(s->avctx, "picture_structure=%d\n", s->picture_structure);
- dprintf(s->avctx, "top field first=%d\n", s->top_field_first);
- dprintf(s->avctx, "repeat first field=%d\n", s->repeat_first_field);
- dprintf(s->avctx, "conceal=%d\n", s->concealment_motion_vectors);
- dprintf(s->avctx, "intra_vlc_format=%d\n", s->intra_vlc_format);
- dprintf(s->avctx, "alternate_scan=%d\n", s->alternate_scan);
- dprintf(s->avctx, "frame_pred_frame_dct=%d\n", s->frame_pred_frame_dct);
- dprintf(s->avctx, "progressive_frame=%d\n", s->progressive_frame);
-}
-
-static void mpeg_decode_extension(AVCodecContext *avctx,
- const uint8_t *buf, int buf_size)
-{
- Mpeg1Context *s1 = avctx->priv_data;
- MpegEncContext *s = &s1->mpeg_enc_ctx;
- int ext_type;
-
- init_get_bits(&s->gb, buf, buf_size*8);
-
- ext_type = get_bits(&s->gb, 4);
- switch(ext_type) {
- case 0x1:
- mpeg_decode_sequence_extension(s1);
- break;
- case 0x2:
- mpeg_decode_sequence_display_extension(s1);
- break;
- case 0x3:
- mpeg_decode_quant_matrix_extension(s);
- break;
- case 0x7:
- mpeg_decode_picture_display_extension(s1);
- break;
- case 0x8:
- mpeg_decode_picture_coding_extension(s1);
- break;
- }
+ av_dlog(s->avctx, "intra_dc_precision=%d\n", s->intra_dc_precision);
+ av_dlog(s->avctx, "picture_structure=%d\n", s->picture_structure);
+ av_dlog(s->avctx, "top field first=%d\n", s->top_field_first);
+ av_dlog(s->avctx, "repeat first field=%d\n", s->repeat_first_field);
+ av_dlog(s->avctx, "conceal=%d\n", s->concealment_motion_vectors);
+ av_dlog(s->avctx, "intra_vlc_format=%d\n", s->intra_vlc_format);
+ av_dlog(s->avctx, "alternate_scan=%d\n", s->alternate_scan);
+ av_dlog(s->avctx, "frame_pred_frame_dct=%d\n", s->frame_pred_frame_dct);
+ av_dlog(s->avctx, "progressive_frame=%d\n", s->progressive_frame);
}
static void exchange_uv(MpegEncContext *s){
ff_er_frame_start(s);
/* first check if we must repeat the frame */
- s->current_picture_ptr->repeat_pict = 0;
+ s->current_picture_ptr->f.repeat_pict = 0;
if (s->repeat_first_field) {
if (s->progressive_sequence) {
if (s->top_field_first)
- s->current_picture_ptr->repeat_pict = 4;
+ s->current_picture_ptr->f.repeat_pict = 4;
else
- s->current_picture_ptr->repeat_pict = 2;
+ s->current_picture_ptr->f.repeat_pict = 2;
} else if (s->progressive_frame) {
- s->current_picture_ptr->repeat_pict = 1;
+ s->current_picture_ptr->f.repeat_pict = 1;
}
}
- *s->current_picture_ptr->pan_scan= s1->pan_scan;
+ *s->current_picture_ptr->f.pan_scan = s1->pan_scan;
+
+ if (HAVE_PTHREADS && (avctx->active_thread_type & FF_THREAD_FRAME))
+ ff_thread_finish_setup(avctx);
}else{ //second field
int i;
}
for(i=0; i<4; i++){
- s->current_picture.data[i] = s->current_picture_ptr->data[i];
+ s->current_picture.f.data[i] = s->current_picture_ptr->f.data[i];
if(s->picture_structure == PICT_BOTTOM_FIELD){
- s->current_picture.data[i] += s->current_picture_ptr->linesize[i];
+ s->current_picture.f.data[i] += s->current_picture_ptr->f.linesize[i];
}
}
}
s->resync_mb_x=
s->resync_mb_y= -1;
- if (mb_y<<field_pic >= s->mb_height){
- av_log(s->avctx, AV_LOG_ERROR, "slice below image (%d >= %d)\n", mb_y, s->mb_height);
- return -1;
- }
+ assert(mb_y < s->mb_height);
init_get_bits(&s->gb, *buf, buf_size*8);
s->mb_x=0;
+ if(mb_y==0 && s->codec_tag == AV_RL32("SLIF")){
+ skip_bits1(&s->gb);
+ }else{
+ for(;;) {
+ int code = get_vlc2(&s->gb, mbincr_vlc.table, MBINCR_VLC_BITS, 2);
+ if (code < 0){
+ av_log(s->avctx, AV_LOG_ERROR, "first mb_incr damaged\n");
+ return -1;
+ }
+ if (code >= 33) {
+ if (code == 33) {
+ s->mb_x += 33;
+ }
+ /* otherwise, stuffing, nothing to do */
+ } else {
+ s->mb_x += code;
+ break;
+ }
+ }
+ }
+
+ if(s->mb_x >= (unsigned)s->mb_width){
+ av_log(s->avctx, AV_LOG_ERROR, "initial skip overflow\n");
+ return -1;
+ }
+
if (avctx->hwaccel) {
const uint8_t *buf_end, *buf_start = *buf - 4; /* include start_code */
int start_code = -1;
return DECODE_SLICE_OK;
}
- for(;;) {
- int code = get_vlc2(&s->gb, mbincr_vlc.table, MBINCR_VLC_BITS, 2);
- if (code < 0){
- av_log(s->avctx, AV_LOG_ERROR, "first mb_incr damaged\n");
- return -1;
- }
- if (code >= 33) {
- if (code == 33) {
- s->mb_x += 33;
- }
- /* otherwise, stuffing, nothing to do */
- } else {
- s->mb_x += code;
- break;
- }
- }
- if(s->mb_x >= (unsigned)s->mb_width){
- av_log(s->avctx, AV_LOG_ERROR, "initial skip overflow\n");
- return -1;
- }
-
s->resync_mb_x= s->mb_x;
s->resync_mb_y= s->mb_y= mb_y;
s->mb_skip_run= 0;
if(s->avctx->debug&FF_DEBUG_PICT_INFO){
av_log(s->avctx, AV_LOG_DEBUG, "qp:%d fc:%2d%2d%2d%2d %s %s %s %s %s dc:%d pstruct:%d fdct:%d cmv:%d qtype:%d ivlc:%d rff:%d %s\n",
s->qscale, s->mpeg_f_code[0][0],s->mpeg_f_code[0][1],s->mpeg_f_code[1][0],s->mpeg_f_code[1][1],
- s->pict_type == FF_I_TYPE ? "I" : (s->pict_type == FF_P_TYPE ? "P" : (s->pict_type == FF_B_TYPE ? "B" : "S")),
+ s->pict_type == AV_PICTURE_TYPE_I ? "I" : (s->pict_type == AV_PICTURE_TYPE_P ? "P" : (s->pict_type == AV_PICTURE_TYPE_B ? "B" : "S")),
s->progressive_sequence ? "ps" :"", s->progressive_frame ? "pf" : "", s->alternate_scan ? "alt" :"", s->top_field_first ? "top" :"",
s->intra_dc_precision, s->picture_structure, s->frame_pred_frame_dct, s->concealment_motion_vectors,
s->q_scale_type, s->intra_vlc_format, s->repeat_first_field, s->chroma_420_type ? "420" :"");
if(mpeg_decode_mb(s, s->block) < 0)
return -1;
- if(s->current_picture.motion_val[0] && !s->encoding){ //note motion_val is normally NULL unless we want to extract the MVs
- const int wrap = field_pic ? 2*s->b8_stride : s->b8_stride;
+ if (s->current_picture.f.motion_val[0] && !s->encoding) { //note motion_val is normally NULL unless we want to extract the MVs
+ const int wrap = s->b8_stride;
int xy = s->mb_x*2 + s->mb_y*2*wrap;
+ int b8_xy= 4*(s->mb_x + s->mb_y*s->mb_stride);
int motion_x, motion_y, dir, i;
- if(field_pic && !s->first_field)
- xy += wrap/2;
for(i=0; i<2; i++){
for(dir=0; dir<2; dir++){
- if (s->mb_intra || (dir==1 && s->pict_type != FF_B_TYPE)) {
+ if (s->mb_intra || (dir==1 && s->pict_type != AV_PICTURE_TYPE_B)) {
motion_x = motion_y = 0;
}else if (s->mv_type == MV_TYPE_16X16 || (s->mv_type == MV_TYPE_FIELD && field_pic)){
motion_x = s->mv[dir][0][0];
motion_y = s->mv[dir][i][1];
}
- s->current_picture.motion_val[dir][xy ][0] = motion_x;
- s->current_picture.motion_val[dir][xy ][1] = motion_y;
- s->current_picture.motion_val[dir][xy + 1][0] = motion_x;
- s->current_picture.motion_val[dir][xy + 1][1] = motion_y;
- s->current_picture.ref_index [dir][xy ]=
- s->current_picture.ref_index [dir][xy + 1]= s->field_select[dir][i];
+ s->current_picture.f.motion_val[dir][xy ][0] = motion_x;
+ s->current_picture.f.motion_val[dir][xy ][1] = motion_y;
+ s->current_picture.f.motion_val[dir][xy + 1][0] = motion_x;
+ s->current_picture.f.motion_val[dir][xy + 1][1] = motion_y;
+ s->current_picture.f.ref_index [dir][b8_xy ] =
+ s->current_picture.f.ref_index [dir][b8_xy + 1] = s->field_select[dir][i];
assert(s->field_select[dir][i]==0 || s->field_select[dir][i]==1);
}
xy += wrap;
+ b8_xy +=2;
}
}
if (++s->mb_x >= s->mb_width) {
const int mb_size= 16>>s->avctx->lowres;
- ff_draw_horiz_band(s, mb_size*s->mb_y, mb_size);
+ ff_draw_horiz_band(s, mb_size*(s->mb_y>>field_pic), mb_size);
+ MPV_report_decode_progress(s);
s->mb_x = 0;
- s->mb_y++;
+ s->mb_y += 1<<field_pic;
- if(s->mb_y<<field_pic >= s->mb_height){
- int left= s->gb.size_in_bits - get_bits_count(&s->gb);
- int is_d10= s->chroma_format==2 && s->pict_type==FF_I_TYPE && avctx->profile==0 && avctx->level==5
+ if(s->mb_y >= s->mb_height){
+ int left= get_bits_left(&s->gb);
+ int is_d10= s->chroma_format==2 && s->pict_type==AV_PICTURE_TYPE_I && avctx->profile==0 && avctx->level==5
&& s->intra_dc_precision == 2 && s->q_scale_type == 1 && s->alternate_scan == 0
&& s->progressive_frame == 0 /* vbv_delay == 0xBBB || 0xE10*/;
}
if(s->mb_skip_run){
int i;
- if(s->pict_type == FF_I_TYPE){
+ if(s->pict_type == AV_PICTURE_TYPE_I){
av_log(s->avctx, AV_LOG_ERROR, "skipped MB in I frame at %d %d\n", s->mb_x, s->mb_y);
return -1;
}
s->mv_type = MV_TYPE_16X16;
else
s->mv_type = MV_TYPE_FIELD;
- if (s->pict_type == FF_P_TYPE) {
+ if (s->pict_type == AV_PICTURE_TYPE_P) {
/* if P type, zero motion vector is implied */
s->mv_dir = MV_DIR_FORWARD;
s->mv[0][0][0] = s->mv[0][0][1] = 0;
s->last_mv[0][0][0] = s->last_mv[0][0][1] = 0;
s->last_mv[0][1][0] = s->last_mv[0][1][1] = 0;
- s->field_select[0][0]= s->picture_structure - 1;
+ s->field_select[0][0]= (s->picture_structure - 1) & 1;
} else {
/* if B type, reuse previous vectors and directions */
s->mv[0][0][0] = s->last_mv[0][0][0];
MpegEncContext *s= *(void**)arg;
const uint8_t *buf= s->gb.buffer;
int mb_y= s->start_mb_y;
+ const int field_pic= s->picture_structure != PICT_FRAME;
- s->error_count= 3*(s->end_mb_y - s->start_mb_y)*s->mb_width;
+ s->error_count= (3*(s->end_mb_y - s->start_mb_y)*s->mb_width) >> field_pic;
for(;;){
uint32_t start_code;
//av_log(c, AV_LOG_DEBUG, "ret:%d resync:%d/%d mb:%d/%d ts:%d/%d ec:%d\n",
//ret, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, s->start_mb_y, s->end_mb_y, s->error_count);
if(ret < 0){
+ if (c->error_recognition >= FF_ER_EXPLODE)
+ return ret;
if(s->resync_mb_x>=0 && s->resync_mb_y>=0)
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, AC_ERROR|DC_ERROR|MV_ERROR);
}else{
start_code= -1;
buf = ff_find_start_code(buf, s->gb.buffer_end, &start_code);
- mb_y= start_code - SLICE_MIN_START_CODE;
+ mb_y= (start_code - SLICE_MIN_START_CODE) << field_pic;
+ if (s->picture_structure == PICT_BOTTOM_FIELD)
+ mb_y++;
if(mb_y < 0 || mb_y >= s->end_mb_y)
return -1;
}
-
- return 0; //not reached
}
/**
- * Handles slice ends.
+ * Handle slice ends.
* @return 1 if it seems to be the last slice
*/
static int slice_end(AVCodecContext *avctx, AVFrame *pict)
if (/*s->mb_y<<field_pic == s->mb_height &&*/ !s->first_field) {
/* end of image */
- s->current_picture_ptr->qscale_type= FF_QSCALE_TYPE_MPEG2;
+ s->current_picture_ptr->f.qscale_type = FF_QSCALE_TYPE_MPEG2;
ff_er_frame_end(s);
MPV_frame_end(s);
- if (s->pict_type == FF_B_TYPE || s->low_delay) {
+ if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay) {
*pict= *(AVFrame*)s->current_picture_ptr;
ff_print_debug_info(s, pict);
} else {
- s->picture_number++;
+ if (avctx->active_thread_type & FF_THREAD_FRAME)
+ s->picture_number++;
/* latency of 1 frame for I- and P-frames */
/* XXX: use another variable than picture_number */
if (s->last_picture_ptr != NULL) {
s->chroma_format = 1;
s->codec_id= s->avctx->codec_id= CODEC_ID_MPEG2VIDEO;
avctx->sub_id = 2; /* indicates MPEG-2 */
+ s1->save_width = s->width;
+ s1->save_height = s->height;
+ s1->save_progressive_seq = s->progressive_sequence;
return 0;
}
static void mpeg_decode_user_data(AVCodecContext *avctx,
- const uint8_t *buf, int buf_size)
+ const uint8_t *p, int buf_size)
{
- const uint8_t *p;
- int len, flags;
- p = buf;
- len = buf_size;
+ const uint8_t *buf_end = p+buf_size;
/* we parse the DTG active format information */
- if (len >= 5 &&
+ if (buf_end - p >= 5 &&
p[0] == 'D' && p[1] == 'T' && p[2] == 'G' && p[3] == '1') {
- flags = p[4];
+ int flags = p[4];
p += 5;
- len -= 5;
if (flags & 0x80) {
/* skip event id */
- if (len < 2)
- return;
p += 2;
- len -= 2;
}
if (flags & 0x40) {
- if (len < 1)
+ if (buf_end - p < 1)
return;
avctx->dtg_active_format = p[0] & 0x0f;
}
Mpeg1Context *s1 = avctx->priv_data;
MpegEncContext *s = &s1->mpeg_enc_ctx;
- int drop_frame_flag;
int time_code_hours, time_code_minutes;
int time_code_seconds, time_code_pictures;
- int closed_gop, broken_link;
+ int broken_link;
init_get_bits(&s->gb, buf, buf_size*8);
- drop_frame_flag = get_bits1(&s->gb);
+ skip_bits1(&s->gb); /* drop_frame_flag */
time_code_hours=get_bits(&s->gb,5);
time_code_minutes = get_bits(&s->gb,6);
time_code_seconds = get_bits(&s->gb,6);
time_code_pictures = get_bits(&s->gb,6);
- closed_gop = get_bits1(&s->gb);
+ s->closed_gop = get_bits1(&s->gb);
/*broken_link indicate that after editing the
reference frames of the first B-Frames after GOP I-Frame
are missing (open gop)*/
if(s->avctx->debug & FF_DEBUG_PICT_INFO)
av_log(s->avctx, AV_LOG_DEBUG, "GOP (%2d:%02d:%02d.[%02d]) closed_gop=%d broken_link=%d\n",
time_code_hours, time_code_minutes, time_code_seconds,
- time_code_pictures, closed_gop, broken_link);
+ time_code_pictures, s->closed_gop, broken_link);
}
/**
- * Finds the end of the current frame in the bitstream.
+ * Find the end of the current frame in the bitstream.
* @return the position of the first byte of the next frame, or -1
*/
int ff_mpeg1_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size, AVCodecParserContext *s)
return i-3;
}
}
- if(s && state == PICTURE_START_CODE){
- ff_fetch_timestamp(s, i-4, 1);
+ if(pc->frame_start_found == 0 && s && state == PICTURE_START_CODE){
+ ff_fetch_timestamp(s, i-3, 1);
}
}
}
Mpeg1Context *s = avctx->priv_data;
AVFrame *picture = data;
MpegEncContext *s2 = &s->mpeg_enc_ctx;
- dprintf(avctx, "fill_buffer\n");
+ av_dlog(avctx, "fill_buffer\n");
if (buf_size == 0 || (buf_size == 4 && AV_RB32(buf) == SEQ_END_CODE)) {
/* special case for last picture */
return buf_size;
}
-#if 0
- if (s->repeat_field % 2 == 1) {
- s->repeat_field++;
- //fprintf(stderr,"\nRepeating last frame: %d -> %d! pict: %d %d", avctx->frame_number-1, avctx->frame_number,
- // s2->picture_number, s->repeat_field);
- if (avctx->flags & CODEC_FLAG_REPEAT_FIELD) {
- *data_size = sizeof(AVPicture);
- goto the_end;
- }
- }
-#endif
-
if(s->mpeg_enc_ctx_allocated==0 && avctx->codec_tag == AV_RL32("VCR2"))
vcr2_init_sequence(avctx);
s->slice_count= 0;
- if(avctx->extradata && !avctx->frame_number)
- decode_chunks(avctx, picture, data_size, avctx->extradata, avctx->extradata_size);
+ if(avctx->extradata && !avctx->frame_number) {
+ int ret = decode_chunks(avctx, picture, data_size, avctx->extradata, avctx->extradata_size);
+ if (ret < 0 && avctx->error_recognition >= FF_ER_EXPLODE)
+ return ret;
+ }
return decode_chunks(avctx, picture, data_size, buf, buf_size);
}
const uint8_t *buf_ptr = buf;
const uint8_t *buf_end = buf + buf_size;
int ret, input_size;
+ int last_code= 0;
for(;;) {
/* find next start code */
uint32_t start_code = -1;
buf_ptr = ff_find_start_code(buf_ptr,buf_end, &start_code);
if (start_code > 0x1ff){
- if(s2->pict_type != FF_B_TYPE || avctx->skip_frame <= AVDISCARD_DEFAULT){
- if(avctx->thread_count > 1){
+ if(s2->pict_type != AV_PICTURE_TYPE_B || avctx->skip_frame <= AVDISCARD_DEFAULT){
+ if(HAVE_THREADS && (avctx->active_thread_type & FF_THREAD_SLICE)){
int i;
- avctx->execute(avctx, slice_decode_thread, (void**)&(s2->thread_context[0]), NULL, s->slice_count, sizeof(void*));
+ avctx->execute(avctx, slice_decode_thread, &s2->thread_context[0], NULL, s->slice_count, sizeof(void*));
for(i=0; i<s->slice_count; i++)
s2->error_count += s2->thread_context[i]->error_count;
}
/* prepare data for next start code */
switch(start_code) {
case SEQ_START_CODE:
- mpeg1_decode_sequence(avctx, buf_ptr,
- input_size);
+ if(last_code == 0){
+ mpeg1_decode_sequence(avctx, buf_ptr,
+ input_size);
+ s->sync=1;
+ }else{
+ av_log(avctx, AV_LOG_ERROR, "ignoring SEQ_START_CODE after %X\n", last_code);
+ if (avctx->error_recognition >= FF_ER_EXPLODE)
+ return AVERROR_INVALIDDATA;
+ }
break;
case PICTURE_START_CODE:
- /* we have a complete image: we try to decompress it */
- if(mpeg1_decode_picture(avctx,
- buf_ptr, input_size) < 0)
- s2->pict_type=0;
+ if (HAVE_THREADS && (avctx->active_thread_type&FF_THREAD_SLICE) && s->slice_count) {
+ int i;
+
+ avctx->execute(avctx, slice_decode_thread,
+ s2->thread_context, NULL,
+ s->slice_count, sizeof(void*));
+ for (i = 0; i < s->slice_count; i++)
+ s2->error_count += s2->thread_context[i]->error_count;
+ s->slice_count = 0;
+ }
+ if(last_code == 0 || last_code == SLICE_MIN_START_CODE){
+ ret = mpeg_decode_postinit(avctx);
+ if(ret < 0){
+ av_log(avctx, AV_LOG_ERROR, "mpeg_decode_postinit() failure\n");
+ return ret;
+ }
+
+ /* we have a complete image: we try to decompress it */
+ if (mpeg1_decode_picture(avctx, buf_ptr, input_size) < 0)
+ s2->pict_type=0;
+ s2->first_slice = 1;
+ last_code= PICTURE_START_CODE;
+ }else{
+ av_log(avctx, AV_LOG_ERROR, "ignoring pic after %X\n", last_code);
+ if (avctx->error_recognition >= FF_ER_EXPLODE)
+ return AVERROR_INVALIDDATA;
+ }
break;
case EXT_START_CODE:
- mpeg_decode_extension(avctx,
- buf_ptr, input_size);
+ init_get_bits(&s2->gb, buf_ptr, input_size*8);
+
+ switch(get_bits(&s2->gb, 4)) {
+ case 0x1:
+ if(last_code == 0){
+ mpeg_decode_sequence_extension(s);
+ }else{
+ av_log(avctx, AV_LOG_ERROR, "ignoring seq ext after %X\n", last_code);
+ if (avctx->error_recognition >= FF_ER_EXPLODE)
+ return AVERROR_INVALIDDATA;
+ }
+ break;
+ case 0x2:
+ mpeg_decode_sequence_display_extension(s);
+ break;
+ case 0x3:
+ mpeg_decode_quant_matrix_extension(s2);
+ break;
+ case 0x7:
+ mpeg_decode_picture_display_extension(s);
+ break;
+ case 0x8:
+ if(last_code == PICTURE_START_CODE){
+ mpeg_decode_picture_coding_extension(s);
+ }else{
+ av_log(avctx, AV_LOG_ERROR, "ignoring pic cod ext after %X\n", last_code);
+ if (avctx->error_recognition >= FF_ER_EXPLODE)
+ return AVERROR_INVALIDDATA;
+ }
+ break;
+ }
break;
case USER_START_CODE:
mpeg_decode_user_data(avctx,
buf_ptr, input_size);
break;
case GOP_START_CODE:
- s2->first_field=0;
- mpeg_decode_gop(avctx,
- buf_ptr, input_size);
+ if(last_code == 0){
+ s2->first_field=0;
+ mpeg_decode_gop(avctx, buf_ptr, input_size);
+ s->sync=1;
+ }else{
+ av_log(avctx, AV_LOG_ERROR, "ignoring GOP_START_CODE after %X\n", last_code);
+ if (avctx->error_recognition >= FF_ER_EXPLODE)
+ return AVERROR_INVALIDDATA;
+ }
break;
default:
if (start_code >= SLICE_MIN_START_CODE &&
- start_code <= SLICE_MAX_START_CODE) {
- int mb_y= start_code - SLICE_MIN_START_CODE;
+ start_code <= SLICE_MAX_START_CODE && last_code!=0) {
+ const int field_pic= s2->picture_structure != PICT_FRAME;
+ int mb_y= (start_code - SLICE_MIN_START_CODE) << field_pic;
+ last_code= SLICE_MIN_START_CODE;
+
+ if(s2->picture_structure == PICT_BOTTOM_FIELD)
+ mb_y++;
+
+ if (mb_y >= s2->mb_height){
+ av_log(s2->avctx, AV_LOG_ERROR, "slice below image (%d >= %d)\n", mb_y, s2->mb_height);
+ return -1;
+ }
if(s2->last_picture_ptr==NULL){
- /* Skip B-frames if we do not have reference frames. */
- if(s2->pict_type==FF_B_TYPE) break;
+ /* Skip B-frames if we do not have reference frames and gop is not closed */
+ if(s2->pict_type==AV_PICTURE_TYPE_B){
+ if(!s2->closed_gop)
+ break;
+ }
}
+ if(s2->pict_type==AV_PICTURE_TYPE_I)
+ s->sync=1;
if(s2->next_picture_ptr==NULL){
/* Skip P-frames if we do not have a reference frame or we have an invalid header. */
- if(s2->pict_type==FF_P_TYPE && (s2->first_field || s2->picture_structure==PICT_FRAME)) break;
+ if(s2->pict_type==AV_PICTURE_TYPE_P && !s->sync) break;
}
- /* Skip B-frames if we are in a hurry. */
- if(avctx->hurry_up && s2->pict_type==FF_B_TYPE) break;
- if( (avctx->skip_frame >= AVDISCARD_NONREF && s2->pict_type==FF_B_TYPE)
- ||(avctx->skip_frame >= AVDISCARD_NONKEY && s2->pict_type!=FF_I_TYPE)
+ if( (avctx->skip_frame >= AVDISCARD_NONREF && s2->pict_type==AV_PICTURE_TYPE_B)
+ ||(avctx->skip_frame >= AVDISCARD_NONKEY && s2->pict_type!=AV_PICTURE_TYPE_I)
|| avctx->skip_frame >= AVDISCARD_ALL)
break;
- /* Skip everything if we are in a hurry>=5. */
- if(avctx->hurry_up>=5) break;
if (!s->mpeg_enc_ctx_allocated) break;
if(!s2->pict_type){
av_log(avctx, AV_LOG_ERROR, "Missing picture start code\n");
+ if (avctx->error_recognition >= FF_ER_EXPLODE)
+ return AVERROR_INVALIDDATA;
break;
}
}
if(!s2->current_picture_ptr){
av_log(avctx, AV_LOG_ERROR, "current_picture not initialized\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
if (avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU) {
break;
}
- if(avctx->thread_count > 1){
+ if(HAVE_THREADS && (avctx->active_thread_type & FF_THREAD_SLICE)){
int threshold= (s2->mb_height*s->slice_count + avctx->thread_count/2) / avctx->thread_count;
if(threshold <= mb_y){
MpegEncContext *thread_context= s2->thread_context[s->slice_count];
emms_c();
if(ret < 0){
+ if (avctx->error_recognition >= FF_ER_EXPLODE)
+ return ret;
if(s2->resync_mb_x>=0 && s2->resync_mb_y>=0)
ff_er_add_slice(s2, s2->resync_mb_x, s2->resync_mb_y, s2->mb_x, s2->mb_y, AC_ERROR|DC_ERROR|MV_ERROR);
}else{
}
}
+static void flush(AVCodecContext *avctx){
+ Mpeg1Context *s = avctx->priv_data;
+
+ s->sync=0;
+
+ ff_mpeg_flush(avctx);
+}
+
static int mpeg_decode_end(AVCodecContext *avctx)
{
Mpeg1Context *s = avctx->priv_data;
return 0;
}
-AVCodec mpeg1video_decoder = {
- "mpeg1video",
- CODEC_TYPE_VIDEO,
- CODEC_ID_MPEG1VIDEO,
- sizeof(Mpeg1Context),
- mpeg_decode_init,
- NULL,
- mpeg_decode_end,
- mpeg_decode_frame,
- CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY,
- .flush= ff_mpeg_flush,
+static const AVProfile mpeg2_video_profiles[] = {
+ { FF_PROFILE_MPEG2_422, "4:2:2" },
+ { FF_PROFILE_MPEG2_HIGH, "High" },
+ { FF_PROFILE_MPEG2_SS, "Spatially Scalable" },
+ { FF_PROFILE_MPEG2_SNR_SCALABLE, "SNR Scalable" },
+ { FF_PROFILE_MPEG2_MAIN, "Main" },
+ { FF_PROFILE_MPEG2_SIMPLE, "Simple" },
+ { FF_PROFILE_RESERVED, "Reserved" },
+ { FF_PROFILE_RESERVED, "Reserved" },
+ { FF_PROFILE_UNKNOWN },
+};
+
+
+AVCodec ff_mpeg1video_decoder = {
+ .name = "mpeg1video",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = CODEC_ID_MPEG1VIDEO,
+ .priv_data_size = sizeof(Mpeg1Context),
+ .init = mpeg_decode_init,
+ .close = mpeg_decode_end,
+ .decode = mpeg_decode_frame,
+ .capabilities = CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY | CODEC_CAP_SLICE_THREADS,
+ .flush= flush,
+ .max_lowres= 3,
.long_name= NULL_IF_CONFIG_SMALL("MPEG-1 video"),
+ .update_thread_context= ONLY_IF_THREADS_ENABLED(mpeg_decode_update_thread_context)
};
-AVCodec mpeg2video_decoder = {
- "mpeg2video",
- CODEC_TYPE_VIDEO,
- CODEC_ID_MPEG2VIDEO,
- sizeof(Mpeg1Context),
- mpeg_decode_init,
- NULL,
- mpeg_decode_end,
- mpeg_decode_frame,
- CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY,
- .flush= ff_mpeg_flush,
+AVCodec ff_mpeg2video_decoder = {
+ .name = "mpeg2video",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = CODEC_ID_MPEG2VIDEO,
+ .priv_data_size = sizeof(Mpeg1Context),
+ .init = mpeg_decode_init,
+ .close = mpeg_decode_end,
+ .decode = mpeg_decode_frame,
+ .capabilities = CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY | CODEC_CAP_SLICE_THREADS,
+ .flush= flush,
+ .max_lowres= 3,
.long_name= NULL_IF_CONFIG_SMALL("MPEG-2 video"),
+ .profiles = NULL_IF_CONFIG_SMALL(mpeg2_video_profiles),
};
//legacy decoder
-AVCodec mpegvideo_decoder = {
- "mpegvideo",
- CODEC_TYPE_VIDEO,
- CODEC_ID_MPEG2VIDEO,
- sizeof(Mpeg1Context),
- mpeg_decode_init,
- NULL,
- mpeg_decode_end,
- mpeg_decode_frame,
- CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY,
- .flush= ff_mpeg_flush,
+AVCodec ff_mpegvideo_decoder = {
+ .name = "mpegvideo",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = CODEC_ID_MPEG2VIDEO,
+ .priv_data_size = sizeof(Mpeg1Context),
+ .init = mpeg_decode_init,
+ .close = mpeg_decode_end,
+ .decode = mpeg_decode_frame,
+ .capabilities = CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY | CODEC_CAP_SLICE_THREADS,
+ .flush= flush,
+ .max_lowres= 3,
.long_name= NULL_IF_CONFIG_SMALL("MPEG-1 video"),
};
#if CONFIG_MPEG_XVMC_DECODER
static av_cold int mpeg_mc_decode_init(AVCodecContext *avctx){
- if( avctx->thread_count > 1)
+ if( avctx->active_thread_type & FF_THREAD_SLICE )
return -1;
if( !(avctx->slice_flags & SLICE_FLAG_CODED_ORDER) )
return -1;
if( !(avctx->slice_flags & SLICE_FLAG_ALLOW_FIELD) ){
- dprintf(avctx, "mpeg12.c: XvMC decoder will work better if SLICE_FLAG_ALLOW_FIELD is set\n");
+ av_dlog(avctx, "mpeg12.c: XvMC decoder will work better if SLICE_FLAG_ALLOW_FIELD is set\n");
}
mpeg_decode_init(avctx);
return 0;
}
-AVCodec mpeg_xvmc_decoder = {
- "mpegvideo_xvmc",
- CODEC_TYPE_VIDEO,
- CODEC_ID_MPEG2VIDEO_XVMC,
- sizeof(Mpeg1Context),
- mpeg_mc_decode_init,
- NULL,
- mpeg_decode_end,
- mpeg_decode_frame,
- CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED| CODEC_CAP_HWACCEL | CODEC_CAP_DELAY,
- .flush= ff_mpeg_flush,
+AVCodec ff_mpeg_xvmc_decoder = {
+ .name = "mpegvideo_xvmc",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = CODEC_ID_MPEG2VIDEO_XVMC,
+ .priv_data_size = sizeof(Mpeg1Context),
+ .init = mpeg_mc_decode_init,
+ .close = mpeg_decode_end,
+ .decode = mpeg_decode_frame,
+ .capabilities = CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED| CODEC_CAP_HWACCEL | CODEC_CAP_DELAY,
+ .flush= flush,
.long_name = NULL_IF_CONFIG_SMALL("MPEG-1/2 video XvMC (X-Video Motion Compensation)"),
};
#endif
#if CONFIG_MPEG_VDPAU_DECODER
-AVCodec mpeg_vdpau_decoder = {
- "mpegvideo_vdpau",
- CODEC_TYPE_VIDEO,
- CODEC_ID_MPEG2VIDEO,
- sizeof(Mpeg1Context),
- mpeg_decode_init,
- NULL,
- mpeg_decode_end,
- mpeg_decode_frame,
- CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_HWACCEL_VDPAU | CODEC_CAP_DELAY,
- .flush= ff_mpeg_flush,
+AVCodec ff_mpeg_vdpau_decoder = {
+ .name = "mpegvideo_vdpau",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = CODEC_ID_MPEG2VIDEO,
+ .priv_data_size = sizeof(Mpeg1Context),
+ .init = mpeg_decode_init,
+ .close = mpeg_decode_end,
+ .decode = mpeg_decode_frame,
+ .capabilities = CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_HWACCEL_VDPAU | CODEC_CAP_DELAY,
+ .flush= flush,
.long_name = NULL_IF_CONFIG_SMALL("MPEG-1/2 video (VDPAU acceleration)"),
};
#endif
#if CONFIG_MPEG1_VDPAU_DECODER
-AVCodec mpeg1_vdpau_decoder = {
- "mpeg1video_vdpau",
- CODEC_TYPE_VIDEO,
- CODEC_ID_MPEG1VIDEO,
- sizeof(Mpeg1Context),
- mpeg_decode_init,
- NULL,
- mpeg_decode_end,
- mpeg_decode_frame,
- CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_HWACCEL_VDPAU | CODEC_CAP_DELAY,
- .flush= ff_mpeg_flush,
+AVCodec ff_mpeg1_vdpau_decoder = {
+ .name = "mpeg1video_vdpau",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = CODEC_ID_MPEG1VIDEO,
+ .priv_data_size = sizeof(Mpeg1Context),
+ .init = mpeg_decode_init,
+ .close = mpeg_decode_end,
+ .decode = mpeg_decode_frame,
+ .capabilities = CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_HWACCEL_VDPAU | CODEC_CAP_DELAY,
+ .flush= flush,
.long_name = NULL_IF_CONFIG_SMALL("MPEG-1 video (VDPAU acceleration)"),
};
#endif
projects / ffmpeg / blobdiff