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avcodec/v410enc: Avoid copying packet data, allow user-supplied buffers

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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>
This commit is contained in:
Andreas Rheinhardt 2021-04-25 01:43:26 +02:00
parent 7bfa533793
commit 14407e84b9
1 changed files with 4 additions and 2 deletions
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6
libavcodec/v410enc.c
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@ -23,6 +23,7 @@
#include "libavutil/common.h" #include "libavutil/common.h"
#include "libavutil/intreadwrite.h" #include "libavutil/intreadwrite.h"
#include "avcodec.h" #include "avcodec.h"
#include "encode.h"
#include "internal.h" #include "internal.h"
static av_cold int v410_encode_init(AVCodecContext *avctx) static av_cold int v410_encode_init(AVCodecContext *avctx)
@ -46,8 +47,8 @@ static int v410_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
uint32_t val; uint32_t val;
int i, j, ret; int i, j, ret;
if ((ret = ff_alloc_packet2(avctx, pkt, avctx->width * avctx->height * 4, ret = ff_get_encode_buffer(avctx, pkt, avctx->width * avctx->height * 4, 0);
avctx->width * avctx->height * 4)) < 0) if (ret < 0)
return ret; return ret;
dst = pkt->data; dst = pkt->data;
@ -78,6 +79,7 @@ const AVCodec ff_v410_encoder = {
.long_name = NULL_IF_CONFIG_SMALL("Uncompressed 4:4:4 10-bit"), .long_name = NULL_IF_CONFIG_SMALL("Uncompressed 4:4:4 10-bit"),
.type = AVMEDIA_TYPE_VIDEO, .type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_V410, .id = AV_CODEC_ID_V410,
.capabilities = AV_CODEC_CAP_DR1,
.init = v410_encode_init, .init = v410_encode_init,
.encode2 = v410_encode_frame, .encode2 = v410_encode_frame,
.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV444P10, AV_PIX_FMT_NONE }, .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV444P10, AV_PIX_FMT_NONE },