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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 12:45:49 +0200 |
| commit | 1393c7edae338fd6fd3d53bde824646e1841ab2c (patch) | |
| tree | 5155a931bf8f503427fc11cd4e7db00b1318a1df | |
| parent | 4569c70f140f01447d1de385a2dd490976d95f89 (diff) | |
| download | ffmpeg-1393c7edae338fd6fd3d53bde824646e1841ab2c.tar.gz | |
avcodec/dnxhdenc: 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/dnxhdenc.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libavcodec/dnxhdenc.c b/libavcodec/dnxhdenc.c index 23c3f6fdb9..7f18aff66e 100644 --- a/libavcodec/dnxhdenc.c +++ b/libavcodec/dnxhdenc.c @@ -30,6 +30,7 @@ #include "avcodec.h" #include "blockdsp.h" +#include "encode.h" #include "fdctdsp.h" #include "internal.h" #include "mpegvideo.h" @@ -1257,7 +1258,7 @@ static int dnxhd_encode_picture(AVCodecContext *avctx, AVPacket *pkt, int offset, i, ret; uint8_t *buf; - if ((ret = ff_alloc_packet2(avctx, pkt, ctx->frame_size, 0)) < 0) + if ((ret = ff_get_encode_buffer(avctx, pkt, ctx->frame_size, 0)) < 0) return ret; buf = pkt->data; @@ -1354,11 +1355,12 @@ const AVCodec ff_dnxhd_encoder = { .long_name = NULL_IF_CONFIG_SMALL("VC3/DNxHD"), .type = AVMEDIA_TYPE_VIDEO, .id = AV_CODEC_ID_DNXHD, + .capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS | + AV_CODEC_CAP_SLICE_THREADS, .priv_data_size = sizeof(DNXHDEncContext), .init = dnxhd_encode_init, .encode2 = dnxhd_encode_picture, .close = dnxhd_encode_end, - .capabilities = AV_CODEC_CAP_SLICE_THREADS | AV_CODEC_CAP_FRAME_THREADS, .caps_internal = FF_CODEC_CAP_INIT_CLEANUP, .pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV422P, |