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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: Avoids an allocation and therefore one error path. Signed-off-by: Andreas Rheinhardt --- libavcodec/rkmppdec.c | 39 +++++++++++++++------------------------ 1 file changed, 15 insertions(+), 24 deletions(-) diff --git a/libavcodec/rkmppdec.c b/libavcodec/rkmppdec.c index dd0b9c5a4d..5998b6edef 100644 --- a/libavcodec/rkmppdec.c +++ b/libavcodec/rkmppdec.c @@ -300,12 +300,10 @@ static int rkmpp_send_packet(AVCodecContext *avctx, const AVPacket *avpkt) static void rkmpp_release_frame(void *opaque, uint8_t *data) { AVDRMFrameDescriptor *desc = (AVDRMFrameDescriptor *)data; - AVBufferRef *framecontextref = (AVBufferRef *)opaque; - RKMPPFrameContext *framecontext = (RKMPPFrameContext *)framecontextref->data; + RKMPPFrameContext *framecontext = opaque; mpp_frame_deinit(&framecontext->frame); ff_refstruct_unref(&framecontext->decoder_ref); - av_buffer_unref(&framecontextref); av_free(desc); } @@ -314,12 +312,9 @@ static int rkmpp_retrieve_frame(AVCodecContext *avctx, AVFrame *frame) { RKMPPDecodeContext *rk_context = avctx->priv_data; RKMPPDecoder *decoder = rk_context->decoder; - RKMPPFrameContext *framecontext = NULL; - AVBufferRef *framecontextref = NULL; int ret; MppFrame mppframe = NULL; MppBuffer buffer = NULL; - AVDRMFrameDescriptor *desc = NULL; AVDRMLayerDescriptor *layer = NULL; int mode; MppFrameFormat mppformat; @@ -408,11 +403,21 @@ static int rkmpp_retrieve_frame(AVCodecContext *avctx, AVFrame *frame) // now setup the frame buffer info buffer = mpp_frame_get_buffer(mppframe); if (buffer) { - desc = av_mallocz(sizeof(AVDRMFrameDescriptor)); - if (!desc) { + RKMPPFrameContext *framecontext; + AVDRMFrameDescriptor *desc; + // We allocate the descriptor in buf[0] jointly with a structure + // that will allow to hold additional information + // for properly releasing MPP frames and decoder. + struct { + AVDRMFrameDescriptor desc; + RKMPPFrameContext framecontext; + } *combined_desc = av_mallocz(sizeof(*combined_desc)); + if (!combined_desc) { ret = AVERROR(ENOMEM); goto fail; } + desc = &combined_desc->desc; + framecontext = &combined_desc->framecontext; desc->nb_objects = 1; desc->objects[0].fd = mpp_buffer_get_fd(buffer); @@ -431,23 +436,15 @@ static int rkmpp_retrieve_frame(AVCodecContext *avctx, AVFrame *frame) layer->planes[1].offset = layer->planes[0].pitch * mpp_frame_get_ver_stride(mppframe); layer->planes[1].pitch = layer->planes[0].pitch; - // we also allocate a struct in buf[0] that will allow to hold additionnal information - // for releasing properly MPP frames and decoder - framecontextref = av_buffer_allocz(sizeof(*framecontext)); - if (!framecontextref) { - ret = AVERROR(ENOMEM); - goto fail; - } - // MPP decoder needs to be closed only when all frames have been released. - framecontext = (RKMPPFrameContext *)framecontextref->data; framecontext->frame = mppframe; frame->data[0] = (uint8_t *)desc; frame->buf[0] = av_buffer_create((uint8_t *)desc, sizeof(*desc), rkmpp_release_frame, - framecontextref, AV_BUFFER_FLAG_READONLY); + framecontext, AV_BUFFER_FLAG_READONLY); if (!frame->buf[0]) { + av_free(combined_desc); ret = AVERROR(ENOMEM); goto fail; } @@ -476,12 +473,6 @@ fail: if (mppframe) mpp_frame_deinit(&mppframe); - if (framecontextref) - av_buffer_unref(&framecontextref); - - if (desc) - av_free(desc); - return ret; } -- 2.34.1 _______________________________________________ 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".