ffmpeg | branch: master | James Almer <jamr...@gmail.com> | Tue Apr 29 16:55:18 2025 -0300| [0cabfdc8bc324891e4301c96940bca39d504cfbf] | committer: James Almer
avcodec/apv_parser: use an AVBufferRef to avoid data copying Signed-off-by: James Almer <jamr...@gmail.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=0cabfdc8bc324891e4301c96940bca39d504cfbf --- libavcodec/apv_parser.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/libavcodec/apv_parser.c b/libavcodec/apv_parser.c index daa58fd9d2..e5c468f675 100644 --- a/libavcodec/apv_parser.c +++ b/libavcodec/apv_parser.c @@ -16,6 +16,9 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ +#include "libavutil/avassert.h" +#include "libavutil/buffer.h" + #include "avcodec.h" #include "apv.h" #include "cbs.h" @@ -34,6 +37,11 @@ static const enum AVPixelFormat apv_format_table[5][5] = { { AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA444P12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_YUVA444P16 }, }; +static void dummy_free(void *opaque, uint8_t *data) +{ + av_assert0(opaque == data); +} + static int parse(AVCodecParserContext *s, AVCodecContext *avctx, const uint8_t **poutbuf, int *poutbuf_size, @@ -41,14 +49,20 @@ static int parse(AVCodecParserContext *s, { APVParseContext *p = s->priv_data; CodedBitstreamFragment *au = &p->au; + AVBufferRef *ref = NULL; int ret; *poutbuf = buf; *poutbuf_size = buf_size; + ref = av_buffer_create((uint8_t *)buf, buf_size, dummy_free, + (void *)buf, AV_BUFFER_FLAG_READONLY); + if (!ref) + return buf_size; + p->cbc->log_ctx = avctx; - ret = ff_cbs_read(p->cbc, au, NULL, buf, buf_size); + ret = ff_cbs_read(p->cbc, au, ref, buf, buf_size); if (ret < 0) { av_log(avctx, AV_LOG_ERROR, "Failed to parse access unit.\n"); goto end; @@ -92,6 +106,8 @@ static int parse(AVCodecParserContext *s, end: ff_cbs_fragment_reset(au); + av_assert1(av_buffer_get_ref_count(ref) == 1); + av_buffer_unref(&ref); p->cbc->log_ctx = NULL; return buf_size; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".