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Code Issues Releases Activity

mjpegdec: stop setting the QP table

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MJPEG does not have a single quantiser scale, so this does not fit into
the intended API use.

This removes the last use of the long-deprecated QP table API.
This commit is contained in:
Anton Khirnov
2021-01-26 17:13:59 +01:00
parent 89f78dd0fe
commit fffc35b870
3 changed files with 2 additions and 21 deletions
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11
libavcodec/mjpegdec.c
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@@ -2606,19 +2606,12 @@ eoi_parser:
frame->pkt_dts = s->pkt->dts; frame->pkt_dts = s->pkt->dts;
if (!s->lossless) { if (!s->lossless && avctx->debug & FF_DEBUG_QP) {
int qp = FFMAX3(s->qscale[0], int qp = FFMAX3(s->qscale[0],
s->qscale[1], s->qscale[1],
s->qscale[2]); s->qscale[2]);
int qpw = (s->width + 15) / 16;
AVBufferRef *qp_table_buf = av_buffer_alloc(qpw);
if (qp_table_buf) {
memset(qp_table_buf->data, qp, qpw);
av_frame_set_qp_table(frame, qp_table_buf, 0, FF_QSCALE_TYPE_MPEG1);
}
if(avctx->debug & FF_DEBUG_QP) av_log(avctx, AV_LOG_DEBUG, "QP: %d\n", qp);
av_log(avctx, AV_LOG_DEBUG, "QP: %d\n", qp);
} }
goto the_end; goto the_end;

6
tests/ref/fate/exif-image-embedded
View File

@@ -29,12 +29,6 @@ color_transfer=unknown
chroma_location=center chroma_location=center
TAG:UserComment=AppleMark TAG:UserComment=AppleMark
[SIDE_DATA]
side_data_type=QP table data
[/SIDE_DATA]
[SIDE_DATA]
side_data_type=QP table properties
[/SIDE_DATA]
[/FRAME] [/FRAME]
[FRAME] [FRAME]
media_type=audio media_type=audio

6
tests/ref/fate/exif-image-jpg
View File

@@ -229,10 +229,4 @@ TAG:ExposureMode= 0
TAG:WhiteBalance= 0 TAG:WhiteBalance= 0
TAG:DigitalZoomRatio= 4000:4000 TAG:DigitalZoomRatio= 4000:4000
TAG:SceneCaptureType= 0 TAG:SceneCaptureType= 0
[SIDE_DATA]
side_data_type=QP table data
[/SIDE_DATA]
[SIDE_DATA]
side_data_type=QP table properties
[/SIDE_DATA]
[/FRAME] [/FRAME]