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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: (FF_PTR_ADD has to be kept although MPEG-1/2 only supports YUV pixel formats because our decoder also supports decoding to AV_PIX_FMT_GRAY8 depending upon CONFIG_GRAY.) Signed-off-by: Andreas Rheinhardt --- libavcodec/mpeg12dec.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/libavcodec/mpeg12dec.c b/libavcodec/mpeg12dec.c index 83ff40d237..337654c88d 100644 --- a/libavcodec/mpeg12dec.c +++ b/libavcodec/mpeg12dec.c @@ -1303,7 +1303,7 @@ static int mpeg_field_start(MpegEncContext *s, const uint8_t *buf, int buf_size) s->current_picture_ptr->f->flags |= AV_FRAME_FLAG_TOP_FIELD_FIRST * (s->picture_structure == PICT_TOP_FIELD); - for (int i = 0; i < 4; i++) { + for (int i = 0; i < 3; i++) { if (s->picture_structure == PICT_BOTTOM_FIELD) { s->current_picture.f->data[i] = FF_PTR_ADD(s->current_picture.f->data[i], s->current_picture.f->linesize[i]); @@ -1368,8 +1368,6 @@ static int mpeg_field_start(MpegEncContext *s, const uint8_t *buf, int buf_size) if (HAVE_THREADS && (avctx->active_thread_type & FF_THREAD_FRAME)) ff_thread_finish_setup(avctx); } else { // second field - int i; - if (!s->current_picture_ptr) { av_log(s->avctx, AV_LOG_ERROR, "first field missing\n"); return AVERROR_INVALIDDATA; @@ -1383,7 +1381,7 @@ static int mpeg_field_start(MpegEncContext *s, const uint8_t *buf, int buf_size) } } - for (i = 0; i < 4; i++) { + for (int i = 0; i < 3; i++) { s->current_picture.f->data[i] = s->current_picture_ptr->f->data[i]; if (s->picture_structure == PICT_BOTTOM_FIELD) s->current_picture.f->data[i] += -- 2.40.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".