#define MT_16X8 2
#define MT_DMV 3
-static int mpeg_decode_mb(Mpeg1Context *s1, DCTELEM block[12][64])
+static int mpeg_decode_mb(MpegEncContext *s, DCTELEM block[12][64])
{
- MpegEncContext *s = &s1->mpeg_enc_ctx;
int i, j, k, cbp, val, mb_type, motion_type;
const int mb_block_count = 4 + (1 << s->chroma_format);
s->mv[i][0][1]= s->last_mv[i][0][1]= s->last_mv[i][1][1] =
mpeg_decode_motion(s, s->mpeg_f_code[i][1], s->last_mv[i][0][1]);
/* full_pel: only for MPEG-1 */
- if (s1->full_pel[i]) {
+ if (s->full_pel[i]) {
s->mv[i][0][0] <<= 1;
s->mv[i][0][1] <<= 1;
}
vbv_delay = get_bits(&s->gb, 16);
if (s->pict_type == AV_PICTURE_TYPE_P || s->pict_type == AV_PICTURE_TYPE_B) {
- s1->full_pel[0] = get_bits1(&s->gb);
+ s->full_pel[0] = get_bits1(&s->gb);
f_code = get_bits(&s->gb, 3);
- if (f_code == 0 && (avctx->err_recognition & AV_EF_BITSTREAM))
+ if (f_code == 0 && (avctx->err_recognition & (AV_EF_BITSTREAM|AV_EF_COMPLIANT)))
return -1;
s->mpeg_f_code[0][0] = f_code;
s->mpeg_f_code[0][1] = f_code;
}
if (s->pict_type == AV_PICTURE_TYPE_B) {
- s1->full_pel[1] = get_bits1(&s->gb);
+ s->full_pel[1] = get_bits1(&s->gb);
f_code = get_bits(&s->gb, 3);
- if (f_code == 0 && (avctx->err_recognition & AV_EF_BITSTREAM))
+ if (f_code == 0 && (avctx->err_recognition & (AV_EF_BITSTREAM|AV_EF_COMPLIANT)))
return -1;
s->mpeg_f_code[1][0] = f_code;
s->mpeg_f_code[1][1] = f_code;
{
MpegEncContext *s = &s1->mpeg_enc_ctx;
- s1->full_pel[0] = s1->full_pel[1] = 0;
+ s->full_pel[0] = s->full_pel[1] = 0;
s->mpeg_f_code[0][0] = get_bits(&s->gb, 4);
s->mpeg_f_code[0][1] = get_bits(&s->gb, 4);
s->mpeg_f_code[1][0] = get_bits(&s->gb, 4);
#define DECODE_SLICE_OK 0
/**
- * decodes a slice. MpegEncContext.mb_y must be set to the MB row from the startcode
- * @return DECODE_SLICE_ERROR if the slice is damaged<br>
- * DECODE_SLICE_OK if this slice is ok<br>
+ * Decode a slice.
+ * MpegEncContext.mb_y must be set to the MB row from the startcode.
+ * @return DECODE_SLICE_ERROR if the slice is damaged,
+ * DECODE_SLICE_OK if this slice is OK
*/
-static int mpeg_decode_slice(Mpeg1Context *s1, int mb_y,
+static int mpeg_decode_slice(MpegEncContext *s, int mb_y,
const uint8_t **buf, int buf_size)
{
- MpegEncContext *s = &s1->mpeg_enc_ctx;
AVCodecContext *avctx = s->avctx;
const int lowres = s->avctx->lowres;
const int field_pic = s->picture_structure != PICT_FRAME;
if (CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration > 1)
ff_xvmc_init_block(s); // set s->block
- if (mpeg_decode_mb(s1, s->block) < 0)
+ if (mpeg_decode_mb(s, s->block) < 0)
return -1;
if (s->current_picture.f.motion_val[0] && !s->encoding) { // note motion_val is normally NULL unless we want to extract the MVs
&& s->progressive_frame == 0 /* vbv_delay == 0xBBB || 0xE10*/;
if (left < 0 || (left && show_bits(&s->gb, FFMIN(left, 23)) && !is_d10)
- || ((avctx->err_recognition & AV_EF_BUFFER) && left > 8)) {
+ || ((avctx->err_recognition & (AV_EF_BITSTREAM | AV_EF_AGGRESSIVE)) && left > 8)) {
av_log(avctx, AV_LOG_ERROR, "end mismatch left=%d %0X\n", left, show_bits(&s->gb, FFMIN(left, 23)));
return -1;
} else
uint32_t start_code;
int ret;
- ret = mpeg_decode_slice((Mpeg1Context*)s, mb_y, &buf, s->gb.buffer_end - buf);
+ ret = mpeg_decode_slice(s, mb_y, &buf, s->gb.buffer_end - buf);
emms_c();
//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 (c->err_recognition & AV_EF_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);
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, ER_AC_ERROR | ER_DC_ERROR | ER_MV_ERROR);
} else {
- ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, AC_END | DC_END | MV_END);
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, ER_AC_END | ER_DC_END | ER_MV_END);
}
if (s->mb_y == s->end_mb_y)
s->aspect_ratio_info = get_bits(&s->gb, 4);
if (s->aspect_ratio_info == 0) {
av_log(avctx, AV_LOG_ERROR, "aspect ratio has forbidden 0 value\n");
- if (avctx->err_recognition & AV_EF_BITSTREAM)
+ if (avctx->err_recognition & (AV_EF_BITSTREAM | AV_EF_COMPLIANT))
return -1;
}
s->frame_rate_index = get_bits(&s->gb, 4);
{
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 broken_link;
+ int64_t tc;
init_get_bits(&s->gb, buf, buf_size*8);
- drop_frame_flag = get_bits(&s->gb, 1);
- time_code_hours = get_bits(&s->gb, 5);
- time_code_minutes = get_bits(&s->gb, 6);
- skip_bits1(&s->gb); // marker bit
- time_code_seconds = get_bits(&s->gb, 6);
- time_code_pictures = get_bits(&s->gb, 6);
+ tc = avctx->timecode_frame_start = get_bits(&s->gb, 25);
s->closed_gop = get_bits1(&s->gb);
/*broken_link indicate that after editing the
are missing (open gop)*/
broken_link = get_bits1(&s->gb);
- if (s->avctx->debug & FF_DEBUG_PICT_INFO)
+ if (s->avctx->debug & FF_DEBUG_PICT_INFO) {
+ int time_code_hours = tc>>19 & 0x1f;
+ int time_code_minutes = tc>>13 & 0x3f;
+ int time_code_seconds = tc>>6 & 0x3f;
+ int drop_frame_flag = tc & 1<<24;
+ int time_code_pictures = tc & 0x3f;
av_log(s->avctx, AV_LOG_DEBUG, "GOP (%02d:%02d:%02d%c%02d) closed_gop=%d broken_link=%d\n",
time_code_hours, time_code_minutes, time_code_seconds,
drop_frame_flag ? ';' : ':',
time_code_pictures, s->closed_gop, broken_link);
+ }
}
/**
* Find the end of the current frame in the bitstream.
}
if (CONFIG_VDPAU && uses_vdpau(avctx))
- ff_vdpau_mpeg_picture_complete(s, buf, buf_size, s->slice_count);
+ ff_vdpau_mpeg_picture_complete(s2, buf, buf_size, s->slice_count);
if (slice_end(avctx, picture)) {
}
buf_ptr += 2; // FIXME add minimum number of bytes per slice
} else {
- ret = mpeg_decode_slice(s, mb_y, &buf_ptr, input_size);
+ ret = mpeg_decode_slice(s2, mb_y, &buf_ptr, input_size);
emms_c();
if (ret < 0) {
if (avctx->err_recognition & AV_EF_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);
+ ff_er_add_slice(s2, s2->resync_mb_x, s2->resync_mb_y, s2->mb_x, s2->mb_y, ER_AC_ERROR | ER_DC_ERROR | ER_MV_ERROR);
} else {
- ff_er_add_slice(s2, s2->resync_mb_x, s2->resync_mb_y, s2->mb_x-1, s2->mb_y, AC_END | DC_END | MV_END);
+ ff_er_add_slice(s2, s2->resync_mb_x, s2->resync_mb_y, s2->mb_x-1, s2->mb_y, ER_AC_END | ER_DC_END | ER_MV_END);
}
}
}
projects / ffmpeg / blobdiff