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avcodec: Make ff_alloc_packet() based encoders accept user buffers

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Up until now, these encoders received non-refcounted packets
(whose data was owned by the corresponding AVCodecContext)
from ff_alloc_packet(); these packets were made refcounted lateron
by av_packet_make_refcounted() generically.
This commit makes these encoders accept user-supplied buffers by
replacing av_packet_make_refcounted() with an equivalent function
that is based upon get_encode_buffer().

(I am pretty certain that one can also set the flag for mpegvideo-
based encoders, but I want to double-check this later. What is certain
is that it reallocates the buffer owned by the AVCodecContext
which should maybe be moved to encode.c, so that proresenc_kostya.c
and ttaenc.c can make use of it, too.)

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2021-05-11 20:52:13 +02:00
parent 7360e97e4b
commit a499b4345b
50 changed files with 83 additions and 30 deletions
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2
libavcodec/libtwolame.c
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@ -214,12 +214,12 @@ const FFCodec ff_libtwolame_encoder = {
.p.long_name = NULL_IF_CONFIG_SMALL("libtwolame MP2 (MPEG audio layer 2)"),
.p.type = AVMEDIA_TYPE_AUDIO,
.p.id = AV_CODEC_ID_MP2,
.p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY,
.caps_internal = FF_CODEC_CAP_NOT_INIT_THREADSAFE,
.priv_data_size = sizeof(TWOLAMEContext),
.init = twolame_encode_init,
FF_CODEC_ENCODE_CB(twolame_encode_frame),
.close = twolame_encode_close,
.p.capabilities = AV_CODEC_CAP_DELAY,
.defaults = twolame_defaults,
.p.priv_class = &twolame_class,
.p.sample_fmts = (const enum AVSampleFormat[]) {