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| author | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2021-04-25 01:43:26 +0200 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2021-05-05 14:17:04 +0200 |
| commit | a3f02388f169c6513c4f242a1cb4b507711eded7 (patch) | |
| tree | 56161f83ce33b371c6b05b7913edb620f29026d2 | |
| parent | a043dcbe65efbc07d6f83b5822b99377035039a1 (diff) | |
| download | ffmpeg-a3f02388f169c6513c4f242a1cb4b507711eded7.tar.gz | |
avcodec/yuv4enc: 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>
| -rw-r--r-- | libavcodec/yuv4enc.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libavcodec/yuv4enc.c b/libavcodec/yuv4enc.c index 259395d9da..995c994b53 100644 --- a/libavcodec/yuv4enc.c +++ b/libavcodec/yuv4enc.c @@ -21,6 +21,7 @@ */ #include "avcodec.h" +#include "encode.h" #include "internal.h" static int yuv4_encode_frame(AVCodecContext *avctx, AVPacket *pkt, @@ -30,7 +31,9 @@ static int yuv4_encode_frame(AVCodecContext *avctx, AVPacket *pkt, uint8_t *y, *u, *v; int i, j, ret; - if ((ret = ff_alloc_packet2(avctx, pkt, 6 * (avctx->width + 1 >> 1) * (avctx->height + 1 >> 1), 0)) < 0) + ret = ff_get_encode_buffer(avctx, pkt, 6 * (avctx->width + 1 >> 1) + * (avctx->height + 1 >> 1), 0); + if (ret < 0) return ret; dst = pkt->data; @@ -62,6 +65,7 @@ const AVCodec ff_yuv4_encoder = { .long_name = NULL_IF_CONFIG_SMALL("Uncompressed packed 4:2:0"), .type = AVMEDIA_TYPE_VIDEO, .id = AV_CODEC_ID_YUV4, + .capabilities = AV_CODEC_CAP_DR1, .encode2 = yuv4_encode_frame, .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE }, }; |