diff options
| author | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2021-04-25 01:43:26 +0200 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2021-05-05 14:17:03 +0200 |
| commit | 3e6dcf0b1aff77d742520261c83ebdaa68d0e5cd (patch) | |
| tree | f878a352532c379585e198a4282b578ecdc74f08 /libavcodec/pcm-dvdenc.c | |
| parent | ef6232aa38d2f1054f3c46ffe83cbfcbd7ce042c (diff) | |
| download | ffmpeg-3e6dcf0b1aff77d742520261c83ebdaa68d0e5cd.tar.gz | |
avcodec/pcm-dvdenc: Avoid copying packet data, allow user-supplied buffers
When the packet size is known in advance like here, one can avoid
an intermediate buffer for the packet data by using
ff_get_encode_buffer() and also set AV_CODEC_CAP_DR1 at the same time.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Diffstat (limited to 'libavcodec/pcm-dvdenc.c')
| -rw-r--r-- | libavcodec/pcm-dvdenc.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/libavcodec/pcm-dvdenc.c b/libavcodec/pcm-dvdenc.c index e644f30f5d..ae7de65f1d 100644 --- a/libavcodec/pcm-dvdenc.c +++ b/libavcodec/pcm-dvdenc.c @@ -21,6 +21,7 @@ #include "avcodec.h" #include "bytestream.h" +#include "encode.h" #include "internal.h" typedef struct PCMDVDContext { @@ -119,7 +120,7 @@ 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_get_encode_buffer(avctx, avpkt, pkt_size, 0)) < 0) return ret; memcpy(avpkt->data, s->header, 3); @@ -163,7 +164,6 @@ 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; @@ -175,10 +175,10 @@ const AVCodec ff_pcm_dvd_encoder = { .long_name = NULL_IF_CONFIG_SMALL("PCM signed 16|20|24-bit big-endian for DVD media"), .type = AVMEDIA_TYPE_AUDIO, .id = AV_CODEC_ID_PCM_DVD, + .capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_SMALL_LAST_FRAME, .priv_data_size = sizeof(PCMDVDContext), .init = pcm_dvd_encode_init, .encode2 = pcm_dvd_encode_frame, - .capabilities = AV_CODEC_CAP_SMALL_LAST_FRAME, .supported_samplerates = (const int[]) { 48000, 96000, 0}, .channel_layouts = (const uint64_t[]) { AV_CH_LAYOUT_MONO, AV_CH_LAYOUT_STEREO, |