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Diffstat (limited to 'libavcodec/mpeg12.c')
-rw-r--r--libavcodec/mpeg12.c59
1 files changed, 37 insertions, 22 deletions
diff --git a/libavcodec/mpeg12.c b/libavcodec/mpeg12.c
index ce136e7c30..c32055d609 100644
--- a/libavcodec/mpeg12.c
+++ b/libavcodec/mpeg12.c
@@ -746,19 +746,19 @@ static int mpeg_decode_mb(MpegEncContext *s, int16_t block[12][64])
if (s->mb_skip_run-- != 0) {
if (s->pict_type == AV_PICTURE_TYPE_P) {
s->mb_skipped = 1;
- s->current_picture.f.mb_type[s->mb_x + s->mb_y * s->mb_stride] = MB_TYPE_SKIP | MB_TYPE_L0 | MB_TYPE_16x16;
+ s->current_picture.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.f.mb_type[s->mb_x + s->mb_y * s->mb_stride - 1];
+ mb_type = s->current_picture.mb_type[s->mb_x + s->mb_y * s->mb_stride - 1];
else
- 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
+ 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
if (IS_INTRA(mb_type))
return -1;
- s->current_picture.f.mb_type[s->mb_x + s->mb_y*s->mb_stride] =
+ s->current_picture.mb_type[s->mb_x + s->mb_y*s->mb_stride] =
mb_type | MB_TYPE_SKIP;
-// assert(s->current_picture.f.mb_type[s->mb_x + s->mb_y * s->mb_stride - 1] & (MB_TYPE_16x16 | MB_TYPE_16x8));
+// assert(s->current_picture.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;
@@ -1101,7 +1101,7 @@ static int mpeg_decode_mb(MpegEncContext *s, int16_t block[12][64])
}
}
- s->current_picture.f.mb_type[s->mb_x + s->mb_y * s->mb_stride] = mb_type;
+ s->current_picture.mb_type[s->mb_x + s->mb_y * s->mb_stride] = mb_type;
return 0;
}
@@ -1576,6 +1576,8 @@ static int mpeg_field_start(MpegEncContext *s, const uint8_t *buf, int buf_size)
/* start frame decoding */
if (s->first_field || s->picture_structure == PICT_FRAME) {
+ AVFrameSideData *pan_scan;
+
if (ff_MPV_frame_start(s, avctx) < 0)
return -1;
@@ -1594,7 +1596,12 @@ static int mpeg_field_start(MpegEncContext *s, const uint8_t *buf, int buf_size)
}
}
- *s->current_picture_ptr->f.pan_scan = s1->pan_scan;
+ pan_scan = av_frame_new_side_data(&s->current_picture_ptr->f,
+ AV_FRAME_DATA_PANSCAN,
+ sizeof(s1->pan_scan));
+ if (!pan_scan)
+ return AVERROR(ENOMEM);
+ memcpy(pan_scan->data, &s1->pan_scan, sizeof(s1->pan_scan));
if (HAVE_THREADS && (avctx->active_thread_type & FF_THREAD_FRAME))
ff_thread_finish_setup(avctx);
@@ -1736,7 +1743,7 @@ static int mpeg_decode_slice(MpegEncContext *s, int mb_y,
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
+ 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 = 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);
@@ -1754,12 +1761,12 @@ static int mpeg_decode_slice(MpegEncContext *s, int mb_y,
motion_y = s->mv[dir][i][1];
}
- 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];
+ 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][b8_xy ] =
+ s->current_picture.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;
@@ -1927,23 +1934,25 @@ 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->f.qscale_type = FF_QSCALE_TYPE_MPEG2;
-
ff_er_frame_end(&s->er);
ff_MPV_frame_end(s);
if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay) {
- *pict = s->current_picture_ptr->f;
- ff_print_debug_info(s, pict);
+ int ret = av_frame_ref(pict, &s->current_picture_ptr->f);
+ if (ret < 0)
+ return ret;
+ ff_print_debug_info(s, s->current_picture_ptr);
} else {
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) {
- *pict = s->last_picture_ptr->f;
- ff_print_debug_info(s, pict);
+ int ret = av_frame_ref(pict, &s->last_picture_ptr->f);
+ if (ret < 0)
+ return ret;
+ ff_print_debug_info(s, s->last_picture_ptr);
}
}
@@ -2230,7 +2239,10 @@ static int decode_chunks(AVCodecContext *avctx,
if (CONFIG_MPEG_VDPAU_DECODER && avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU)
ff_vdpau_mpeg_picture_complete(s2, buf, buf_size, s->slice_count);
- if (slice_end(avctx, picture)) {
+ ret = slice_end(avctx, picture);
+ if (ret < 0)
+ return ret;
+ else if (ret) {
if (s2->last_picture_ptr || s2->low_delay) //FIXME merge with the stuff in mpeg_decode_slice
*got_output = 1;
}
@@ -2450,7 +2462,10 @@ static int mpeg_decode_frame(AVCodecContext *avctx,
if (buf_size == 0 || (buf_size == 4 && AV_RB32(buf) == SEQ_END_CODE)) {
/* special case for last picture */
if (s2->low_delay == 0 && s2->next_picture_ptr) {
- *picture = s2->next_picture_ptr->f;
+ int ret = av_frame_ref(picture, &s2->next_picture_ptr->f);
+ if (ret < 0)
+ return ret;
+
s2->next_picture_ptr = NULL;
*got_output = 1;
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