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avfilter/vf_lcevc: attach a reference to the source frame to each passed in base picture

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And free them once they are guaranteed to be no longer needed, instead of freeing them
when returned with an enhanced output.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
2026-01-10 15:48:46 -03:00
parent 188521c7ad
commit af136db1c3
1 changed files with 14 additions and 3 deletions
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17
libavfilter/vf_lcevc.c
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@@ -148,6 +148,13 @@ static int send_frame(AVFilterLink *inlink, AVFrame *in)
}
}
res = LCEVC_SetPictureUserData(lcevc->decoder, picture, in);
if (res != LCEVC_Success) {
av_log(ctx, AV_LOG_ERROR, "LCEVC_SetPictureUserData failed\n");
LCEVC_FreePicture(lcevc->decoder, picture);
return AVERROR_EXTERNAL;
}
res = LCEVC_SendDecoderBase(lcevc->decoder, in->pts, picture, -1, in);
if (res != LCEVC_Success) {
av_log(ctx, AV_LOG_ERROR, "LCEVC_SendDecoderBase failed\n");
@@ -215,8 +222,6 @@ static int generate_output(AVFilterLink *inlink, AVFrame *out)
av_frame_copy_props(out, (AVFrame *)info.baseUserData);
av_frame_remove_side_data(out, AV_FRAME_DATA_LCEVC);
av_frame_free((AVFrame **)&info.baseUserData);
res = LCEVC_GetPictureDesc(lcevc->decoder, picture, &desc);
LCEVC_FreePicture(lcevc->decoder, picture);
@@ -284,8 +289,12 @@ static void flush_bases(AVFilterContext *ctx)
LCEVCContext *lcevc = ctx->priv;
LCEVC_PictureHandle picture;
while (LCEVC_ReceiveDecoderBase(lcevc->decoder, &picture) == LCEVC_Success)
while (LCEVC_ReceiveDecoderBase(lcevc->decoder, &picture) == LCEVC_Success) {
AVFrame *base = NULL;
LCEVC_GetPictureUserData(lcevc->decoder, picture, (void **)&base);
LCEVC_FreePicture(lcevc->decoder, picture);
av_frame_free(&base);
}
}
static int activate(AVFilterContext *ctx)
@@ -399,6 +408,8 @@ static av_cold void uninit(AVFilterContext *ctx)
{
LCEVCContext *lcevc = ctx->priv;
LCEVC_FlushDecoder(lcevc->decoder);
flush_bases(ctx);
LCEVC_DestroyDecoder(lcevc->decoder);
}