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avcodec/dump_extradata_bsf: don't allocate a new AVPacket per filtered packet

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~4x speedup in dump_extradata()

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2018-07-23 19:16:30 -03:00
parent c9118d4d64
commit b98bd60bfa
1 changed files with 4 additions and 3 deletions
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7
libavcodec/dump_extradata_bsf.c
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@ -34,16 +34,17 @@ enum DumpFreq {
typedef struct DumpExtradataContext { typedef struct DumpExtradataContext {
const AVClass *class; const AVClass *class;
AVPacket pkt;
int freq; int freq;
} DumpExtradataContext; } DumpExtradataContext;
static int dump_extradata(AVBSFContext *ctx, AVPacket *out) static int dump_extradata(AVBSFContext *ctx, AVPacket *out)
{ {
DumpExtradataContext *s = ctx->priv_data; DumpExtradataContext *s = ctx->priv_data;
AVPacket *in; AVPacket *in = &s->pkt;
int ret = 0; int ret = 0;
ret = ff_bsf_get_packet(ctx, &in); ret = ff_bsf_get_packet_ref(ctx, in);
if (ret < 0) if (ret < 0)
return ret; return ret;
@ -72,7 +73,7 @@ static int dump_extradata(AVBSFContext *ctx, AVPacket *out)
} }
fail: fail:
av_packet_free(&in); av_packet_unref(in);
return ret; return ret;
} }