From: James Almer <jamrial@gmail.com> To: ffmpeg-devel@ffmpeg.org Subject: [FFmpeg-devel] [PATCH 1/2] avcodec/cbs: add ff_cbs_read_buf() Date: Thu, 1 May 2025 22:44:13 -0300 Message-ID: <20250502014414.3404-1-jamrial@gmail.com> (raw) To take a reference from an existing buffer outside of AVPackets. Signed-off-by: James Almer <jamrial@gmail.com> --- libavcodec/cbs.c | 10 +++++++++- libavcodec/cbs.h | 11 +++++++++++ 2 files changed, 20 insertions(+), 1 deletion(-) diff --git a/libavcodec/cbs.c b/libavcodec/cbs.c index c0f6c62d20..b26e3ea3de 100644 --- a/libavcodec/cbs.c +++ b/libavcodec/cbs.c @@ -261,7 +261,7 @@ static int cbs_fill_fragment_data(CodedBitstreamFragment *frag, static int cbs_read_data(CodedBitstreamContext *ctx, CodedBitstreamFragment *frag, - AVBufferRef *buf, + const AVBufferRef *buf, const uint8_t *data, size_t size, int header) { @@ -334,6 +334,14 @@ int CBS_FUNC(read)(CodedBitstreamContext *ctx, return cbs_read_data(ctx, frag, NULL, data, size, 0); } + +int CBS_FUNC(read_buf)(CodedBitstreamContext *ctx, + CodedBitstreamFragment *frag, + const AVBufferRef *buf) +{ + return cbs_read_data(ctx, frag, buf, + buf->data, buf->size, 0); +} #endif #if CBS_WRITE diff --git a/libavcodec/cbs.h b/libavcodec/cbs.h index 47818d5c12..8b503fdcce 100644 --- a/libavcodec/cbs.h +++ b/libavcodec/cbs.h @@ -381,6 +381,17 @@ int CBS_FUNC(read)(CodedBitstreamContext *ctx, CodedBitstreamFragment *frag, const uint8_t *data, size_t size); +/** + * Read a bitstream from a memory region into a fragment, then + * split into units and decompose. + * + * This acts identical to ff_cbs_read() with the addition of an + * AVBufferRef backing the data. + */ +int CBS_FUNC(read_buf)(CodedBitstreamContext *ctx, + CodedBitstreamFragment *frag, + const AVBufferRef *buf); + /** * Write the content of the fragment to its own internal buffer. -- 2.49.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
next reply other threads:[~2025-05-02 1:44 UTC|newest] Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top 2025-05-02 1:44 James Almer [this message] 2025-05-02 1:44 ` [FFmpeg-devel] [PATCH 2/2] avcodec/apv_parser: use ff_cbs_read_buf() James Almer 2025-05-04 13:58 ` [FFmpeg-devel] [PATCH 1/2] avcodec/cbs: add ff_cbs_read_buf() James Almer
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