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authorAndreas Rheinhardt <andreas.rheinhardt@outlook.com>2021-04-25 01:43:26 +0200
committerAndreas Rheinhardt <andreas.rheinhardt@outlook.com>2021-05-05 14:17:03 +0200
commit7bb7161f86c6524e3eb1cb3fdd48f39e5bd942b8 (patch)
tree18e5e22beb83e064d3b73d3d9b26a3392eb714b1
parentc7a0addf93949e89cfacd17cfa59396ef4203598 (diff)
downloadffmpeg-7bb7161f86c6524e3eb1cb3fdd48f39e5bd942b8.tar.gz
avcodec/roqaudioenc: Avoid copying 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/roqaudioenc.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/libavcodec/roqaudioenc.c b/libavcodec/roqaudioenc.c
index e794d8e0a8..530e6b68d8 100644
--- a/libavcodec/roqaudioenc.c
+++ b/libavcodec/roqaudioenc.c
@@ -23,6 +23,7 @@
#include "avcodec.h"
#include "bytestream.h"
+#include "encode.h"
#include "internal.h"
#include "mathops.h"
@@ -154,7 +155,8 @@ static int roq_dpcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
else
data_size = avctx->channels * avctx->frame_size;
- if ((ret = ff_alloc_packet2(avctx, avpkt, ROQ_HEADER_SIZE + data_size, 0)) < 0)
+ ret = ff_get_encode_buffer(avctx, avpkt, ROQ_HEADER_SIZE + data_size, 0);
+ if (ret < 0)
return ret;
out = avpkt->data;
@@ -188,11 +190,11 @@ const AVCodec ff_roq_dpcm_encoder = {
.long_name = NULL_IF_CONFIG_SMALL("id RoQ DPCM"),
.type = AVMEDIA_TYPE_AUDIO,
.id = AV_CODEC_ID_ROQ_DPCM,
+ .capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY,
.priv_data_size = sizeof(ROQDPCMContext),
.init = roq_dpcm_encode_init,
.encode2 = roq_dpcm_encode_frame,
.close = roq_dpcm_encode_close,
- .capabilities = AV_CODEC_CAP_DELAY,
.sample_fmts = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_S16,
AV_SAMPLE_FMT_NONE },
.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,