[FFmpeg-devel] [PATCH 05/46] avcodec/[e]ac3enc: Allow user-supplied buffers
Andreas Rheinhardt
andreas.rheinhardt at outlook.com
Fri Apr 30 02:56:36 EEST 2021
The size of the output buffer is always known in advance and
the code has no alignment requirement (it uses mostly the PutBits API),
so allowing user-supplied buffers is trivial.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>
---
libavcodec/ac3enc.c | 3 ++-
libavcodec/ac3enc_fixed.c | 1 +
libavcodec/ac3enc_float.c | 1 +
libavcodec/eac3enc.c | 1 +
4 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/libavcodec/ac3enc.c b/libavcodec/ac3enc.c
index 8d9de8e108..0036f7d8bc 100644
--- a/libavcodec/ac3enc.c
+++ b/libavcodec/ac3enc.c
@@ -38,6 +38,7 @@
#include "libavutil/opt.h"
#include "libavutil/thread.h"
#include "avcodec.h"
+#include "encode.h"
#include "internal.h"
#include "me_cmp.h"
#include "put_bits.h"
@@ -1760,7 +1761,7 @@ int ff_ac3_encode_frame_common_end(AVCodecContext *avctx, AVPacket *avpkt,
ac3_quantize_mantissas(s);
- ret = ff_alloc_packet2(avctx, avpkt, s->frame_size, s->frame_size);
+ ret = ff_get_encode_buffer(avctx, avpkt, s->frame_size, 0);
if (ret < 0)
return ret;
ac3_output_frame(s, avpkt->data);
diff --git a/libavcodec/ac3enc_fixed.c b/libavcodec/ac3enc_fixed.c
index fe8607988b..58decc594e 100644
--- a/libavcodec/ac3enc_fixed.c
+++ b/libavcodec/ac3enc_fixed.c
@@ -132,6 +132,7 @@ const AVCodec ff_ac3_fixed_encoder = {
.long_name = NULL_IF_CONFIG_SMALL("ATSC A/52A (AC-3)"),
.type = AVMEDIA_TYPE_AUDIO,
.id = AV_CODEC_ID_AC3,
+ .capabilities = AV_CODEC_CAP_DR1,
.priv_data_size = sizeof(AC3EncodeContext),
.init = ac3_fixed_encode_init,
.encode2 = ff_ac3_fixed_encode_frame,
diff --git a/libavcodec/ac3enc_float.c b/libavcodec/ac3enc_float.c
index e5c2cbd42c..f9759bd2cf 100644
--- a/libavcodec/ac3enc_float.c
+++ b/libavcodec/ac3enc_float.c
@@ -136,6 +136,7 @@ const AVCodec ff_ac3_encoder = {
.long_name = NULL_IF_CONFIG_SMALL("ATSC A/52A (AC-3)"),
.type = AVMEDIA_TYPE_AUDIO,
.id = AV_CODEC_ID_AC3,
+ .capabilities = AV_CODEC_CAP_DR1,
.priv_data_size = sizeof(AC3EncodeContext),
.init = ff_ac3_float_encode_init,
.encode2 = ff_ac3_float_encode_frame,
diff --git a/libavcodec/eac3enc.c b/libavcodec/eac3enc.c
index 38ca31a219..96ef00ea4f 100644
--- a/libavcodec/eac3enc.c
+++ b/libavcodec/eac3enc.c
@@ -253,6 +253,7 @@ const AVCodec ff_eac3_encoder = {
.long_name = NULL_IF_CONFIG_SMALL("ATSC A/52 E-AC-3"),
.type = AVMEDIA_TYPE_AUDIO,
.id = AV_CODEC_ID_EAC3,
+ .capabilities = AV_CODEC_CAP_DR1,
.priv_data_size = sizeof(AC3EncodeContext),
.init = ff_ac3_float_encode_init,
.encode2 = ff_ac3_float_encode_frame,
--
2.27.0
More information about the ffmpeg-devel
mailing list