[FFmpeg-cvslog] avcodec/evc_frame_merge: copy input packet props to output
James Almer
git at videolan.org
Thu Jun 22 22:08:29 EEST 2023
ffmpeg | branch: master | James Almer <jamrial at gmail.com> | Tue Jun 20 20:50:48 2023 -0300| [98346606015c309305587457f0197013df64872c] | committer: James Almer
avcodec/evc_frame_merge: copy input packet props to output
Signed-off-by: James Almer <jamrial at gmail.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=98346606015c309305587457f0197013df64872c
---
libavcodec/evc_frame_merge_bsf.c | 24 +++++++++++++++++++++---
1 file changed, 21 insertions(+), 3 deletions(-)
diff --git a/libavcodec/evc_frame_merge_bsf.c b/libavcodec/evc_frame_merge_bsf.c
index 27fe65946d..121f93c0b0 100644
--- a/libavcodec/evc_frame_merge_bsf.c
+++ b/libavcodec/evc_frame_merge_bsf.c
@@ -34,7 +34,7 @@ typedef struct AccessUnitBuffer {
} AccessUnitBuffer;
typedef struct EVCFMergeContext {
- AVPacket *in;
+ AVPacket *in, *buffer_pkt;
EVCParamSets ps;
EVCParserPoc poc;
AccessUnitBuffer au_buffer;
@@ -67,6 +67,7 @@ static void evc_frame_merge_flush(AVBSFContext *bsf)
ff_evc_ps_free(&ctx->ps);
av_packet_unref(ctx->in);
+ av_packet_unref(ctx->buffer_pkt);
ctx->au_buffer.data_size = 0;
}
@@ -146,7 +147,7 @@ static int parse_nal_unit(AVBSFContext *bsf, const uint8_t *buf, int buf_size)
static int evc_frame_merge_filter(AVBSFContext *bsf, AVPacket *out)
{
EVCFMergeContext *ctx = bsf->priv_data;
- AVPacket *in = ctx->in;
+ AVPacket *in = ctx->in, *buffer_pkt = ctx->buffer_pkt;
size_t data_size;
int au_end_found = 0, err;
@@ -162,6 +163,16 @@ static int evc_frame_merge_filter(AVBSFContext *bsf, AVPacket *out)
break;
return err;
}
+ /* Buffer packets with timestamps (there should be at most one per AU)
+ * or any packet if buffer_pkt is empty. The latter is needed to
+ * passthrough positions in case there are no timestamps like with
+ * the raw EVC demuxer. */
+ if (!buffer_pkt->data ||
+ in->pts != AV_NOPTS_VALUE && buffer_pkt->pts == AV_NOPTS_VALUE) {
+ err = av_packet_ref(buffer_pkt, in);
+ if (err < 0)
+ goto end;
+ }
}
// Buffer size is not enough for buffer to store NAL unit 4-bytes prefix (length)
@@ -210,15 +221,20 @@ static int evc_frame_merge_filter(AVBSFContext *bsf, AVPacket *out)
ctx->au_buffer.data_size = 0;
err = av_new_packet(out, data_size);
+ if (err < 0)
+ goto end;
+ err = av_packet_copy_props(out, buffer_pkt);
if (err < 0)
goto end;
+ av_packet_unref(buffer_pkt);
memcpy(out->data, ctx->au_buffer.data, data_size);
err = 0;
end:
if (err < 0) {
av_packet_unref(in);
+ av_packet_unref(buffer_pkt);
ctx->au_buffer.data_size = 0;
}
return err;
@@ -229,7 +245,8 @@ static int evc_frame_merge_init(AVBSFContext *bsf)
EVCFMergeContext *ctx = bsf->priv_data;
ctx->in = av_packet_alloc();
- if (!ctx->in)
+ ctx->buffer_pkt = av_packet_alloc();
+ if (!ctx->in || !ctx->buffer_pkt)
return AVERROR(ENOMEM);
return 0;
@@ -240,6 +257,7 @@ static void evc_frame_merge_close(AVBSFContext *bsf)
EVCFMergeContext *ctx = bsf->priv_data;
av_packet_free(&ctx->in);
+ av_packet_free(&ctx->buffer_pkt);
ff_evc_ps_free(&ctx->ps);
ctx->au_buffer.capacity = 0;
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