ffmpeg | branch: master | James Almer <jamrial@gmail.com> | Mon Jul 23 19:16:30 2018 -0300| [b98bd60bfa2605fd874d42f96804d1c999278a7e] | committer: James Almer avcodec/dump_extradata_bsf: don't allocate a new AVPacket per filtered packet ~4x speedup in dump_extradata() Signed-off-by: James Almer <jamrial@gmail.com>

http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b98bd60bfa2605fd87...

libavcodec/dump_extradata_bsf.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/libavcodec/dump_extradata_bsf.c b/libavcodec/dump_extradata_bsf.c index 98703749f7..188a1c619b 100644 --- a/libavcodec/dump_extradata_bsf.c +++ b/libavcodec/dump_extradata_bsf.c @@ -34,16 +34,17 @@ enum DumpFreq { typedef struct DumpExtradataContext { const AVClass *class; + AVPacket pkt; int freq; } DumpExtradataContext; static int dump_extradata(AVBSFContext *ctx, AVPacket *out) { DumpExtradataContext *s = ctx->priv_data; - AVPacket *in; + AVPacket *in = &s->pkt; int ret = 0; - ret = ff_bsf_get_packet(ctx, &in); + ret = ff_bsf_get_packet_ref(ctx, in); if (ret < 0) return ret; @@ -72,7 +73,7 @@ static int dump_extradata(AVBSFContext *ctx, AVPacket *out) } fail: - av_packet_free(&in); + av_packet_unref(in); return ret; }