[FFmpeg-devel] [PATCH 10/12] mjpegdec: stop exporting QP tables

Anton Khirnov anton at khirnov.net
Mon Feb 24 14:37:37 EET 2020


This API has been deprecated for five years and is of highly dubious
usefulness.
---
 libavcodec/mjpegdec.c | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c
index d5e7c21610..c535fd0fff 100644
--- a/libavcodec/mjpegdec.c
+++ b/libavcodec/mjpegdec.c
@@ -2508,19 +2508,11 @@ eoi_parser:
             *got_frame = 1;
             s->got_picture = 0;
 
-            if (!s->lossless) {
+            if (!s->lossless && (avctx->debug & FF_DEBUG_QP)) {
                 int qp = FFMAX3(s->qscale[0],
                                 s->qscale[1],
                                 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(data, 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;
-- 
2.24.1



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