[FFmpeg-devel] [PATCH 12/34] avcodec/pcm-dvdenc: Avoid copying packet data

Andreas Rheinhardt andreas.rheinhardt at outlook.com
Mon Apr 26 01:34:26 EEST 2021


When the packet size is known in advance like here, one can avoid
an intermediate buffer for the packet data.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>
---
 libavcodec/pcm-dvdenc.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/libavcodec/pcm-dvdenc.c b/libavcodec/pcm-dvdenc.c
index 97ac778334..1635ac704c 100644
--- a/libavcodec/pcm-dvdenc.c
+++ b/libavcodec/pcm-dvdenc.c
@@ -119,7 +119,7 @@ static int pcm_dvd_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
     PutByteContext pb;
     int ret;
 
-    if ((ret = ff_alloc_packet2(avctx, avpkt, pkt_size, 0)) < 0)
+    if ((ret = ff_alloc_packet2(avctx, avpkt, pkt_size, pkt_size)) < 0)
         return ret;
 
     memcpy(avpkt->data, s->header, 3);
@@ -163,7 +163,6 @@ static int pcm_dvd_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
     }
 
     avpkt->pts      = frame->pts;
-    avpkt->size     = pkt_size;
     avpkt->duration = ff_samples_to_time_base(avctx, frame->nb_samples);
     *got_packet_ptr = 1;
 
-- 
2.27.0



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