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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 14:17:03 +0200 |
| commit | 765366bcba7ab8d6b3958a860f64147c9e1ceb2a (patch) | |
| tree | 47a5fec505031552eeec5f3cffde6bf2c347cffd | |
| parent | b66ca3b8d41e6488c7e650d034f242086d432f24 (diff) | |
| download | ffmpeg-765366bcba7ab8d6b3958a860f64147c9e1ceb2a.tar.gz | |
avcodec/xwdenc: 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/xwdenc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/xwdenc.c b/libavcodec/xwdenc.c index 8eec700e9d..d7d18f913c 100644 --- a/libavcodec/xwdenc.c +++ b/libavcodec/xwdenc.c @@ -24,6 +24,7 @@ #include "libavutil/pixdesc.h" #include "avcodec.h" #include "bytestream.h" +#include "encode.h" #include "internal.h" #include "xwd.h" @@ -147,7 +148,7 @@ static int xwd_encode_frame(AVCodecContext *avctx, AVPacket *pkt, header_size = XWD_HEADER_SIZE + WINDOW_NAME_SIZE; out_size = header_size + ncolors * XWD_CMAP_SIZE + avctx->height * lsize; - if ((ret = ff_alloc_packet2(avctx, pkt, out_size, 0)) < 0) + if ((ret = ff_get_encode_buffer(avctx, pkt, out_size, 0)) < 0) return ret; buf = pkt->data; @@ -220,6 +221,7 @@ const AVCodec ff_xwd_encoder = { .long_name = NULL_IF_CONFIG_SMALL("XWD (X Window Dump) image"), .type = AVMEDIA_TYPE_VIDEO, .id = AV_CODEC_ID_XWD, + .capabilities = AV_CODEC_CAP_DR1, .encode2 = xwd_encode_frame, .pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_BGRA, AV_PIX_FMT_RGBA, |