[FFmpeg-cvslog] avcodec/mpeg12dec: stop propagating AVCPBProperties side data

[James Almer]

ffmpeg | branch: master | James Almer <jamrial at gmail.com> | Fri Sep  1 13:39:23 2023 -0300| [3744ada3b8fddce4ee7915152a2b066e690c7370] | committer: James Almer

avcodec/mpeg12dec: stop propagating AVCPBProperties side data

It's already exported using the relevant AVCodecContext fields.

Signed-off-by: James Almer <jamrial at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3744ada3b8fddce4ee7915152a2b066e690c7370
---

 libavcodec/mpeg12dec.c        | 10 ++--------
 libavcodec/mpegvideo_parser.c |  2 +-
 2 files changed, 3 insertions(+), 9 deletions(-)

diff --git a/libavcodec/mpeg12dec.c b/libavcodec/mpeg12dec.c
index 2290a90778..1accd07e9e 100644
--- a/libavcodec/mpeg12dec.c
+++ b/libavcodec/mpeg12dec.c
@@ -1248,7 +1248,8 @@ static int mpeg_decode_postinit(AVCodecContext *avctx)
         if (ret < 0)
             return ret;
 
-        if (avctx->codec_id == AV_CODEC_ID_MPEG2VIDEO && s->bit_rate) {
+        if (avctx->codec_id == AV_CODEC_ID_MPEG2VIDEO && s->bit_rate &&
+            (s->bit_rate != 0x3FFFF*400)) {
             avctx->rc_max_rate = s->bit_rate;
         } else if (avctx->codec_id == AV_CODEC_ID_MPEG1VIDEO && s->bit_rate &&
                    (s->bit_rate != 0x3FFFF*400 || s->vbv_delay != 0xFFFF)) {
@@ -1371,7 +1372,6 @@ static void mpeg_decode_sequence_extension(Mpeg1Context *s1)
     MpegEncContext *s = &s1->mpeg_enc_ctx;
     int horiz_size_ext, vert_size_ext;
     int bit_rate_ext;
-    AVCPBProperties *cpb_props;
 
     skip_bits(&s->gb, 1); /* profile and level esc*/
     s->avctx->profile       = get_bits(&s->gb, 3);
@@ -1403,12 +1403,6 @@ static void mpeg_decode_sequence_extension(Mpeg1Context *s1)
     ff_dlog(s->avctx, "sequence extension\n");
     s->codec_id = s->avctx->codec_id = AV_CODEC_ID_MPEG2VIDEO;
 
-    if (cpb_props = ff_add_cpb_side_data(s->avctx)) {
-        cpb_props->buffer_size = s->avctx->rc_buffer_size;
-        if (s->bit_rate != 0x3FFFF*400)
-            cpb_props->max_bitrate = s->bit_rate;
-    }
-
     if (s->avctx->debug & FF_DEBUG_PICT_INFO)
         av_log(s->avctx, AV_LOG_DEBUG,
                "profile: %d, level: %d ps: %d cf:%d vbv buffer: %d, bitrate:%"PRId64"\n",
diff --git a/libavcodec/mpegvideo_parser.c b/libavcodec/mpegvideo_parser.c
index 1204789c67..d0b22634bb 100644
--- a/libavcodec/mpegvideo_parser.c
+++ b/libavcodec/mpegvideo_parser.c
@@ -233,7 +233,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
     if (set_dim_ret < 0)
         av_log(avctx, AV_LOG_ERROR, "Failed to set dimensions\n");
 
-    if (avctx->codec_id == AV_CODEC_ID_MPEG2VIDEO && bit_rate) {
+    if (avctx->codec_id == AV_CODEC_ID_MPEG2VIDEO && bit_rate && bit_rate != 0x3FFFF) {
         avctx->rc_max_rate = 400LL*bit_rate;
     }
     if (bit_rate &&