From cac8de2da5c4935773128335c11b806faa73e19d Mon Sep 17 00:00:00 2001 From: James Almer Date: Mon, 24 Apr 2017 14:53:47 -0300 Subject: [PATCH] avcodec/options: do a more thorough clean up in avcodec_copy_context() Free coded_frame, coded_side_data and unref hw_device_ctx to prevent potential leaks. Reviewed-by: Aaron Levinson Tested-by: Michael Niedermayer Signed-off-by: James Almer --- libavcodec/options.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/libavcodec/options.c b/libavcodec/options.c index b98da9378a..82e12179a6 100644 --- a/libavcodec/options.c +++ b/libavcodec/options.c @@ -190,14 +190,26 @@ void avcodec_free_context(AVCodecContext **pavctx) #if FF_API_COPY_CONTEXT static void copy_context_reset(AVCodecContext *avctx) { + int i; + av_opt_free(avctx); +#if FF_API_CODED_FRAME +FF_DISABLE_DEPRECATION_WARNINGS + av_frame_free(&avctx->coded_frame); +FF_ENABLE_DEPRECATION_WARNINGS +#endif av_freep(&avctx->rc_override); av_freep(&avctx->intra_matrix); av_freep(&avctx->inter_matrix); av_freep(&avctx->extradata); av_freep(&avctx->subtitle_header); av_buffer_unref(&avctx->hw_frames_ctx); + av_buffer_unref(&avctx->hw_device_ctx); + for (i = 0; i < avctx->nb_coded_side_data; i++) + av_freep(&avctx->coded_side_data[i].data); + av_freep(&avctx->coded_side_data); avctx->subtitle_header_size = 0; + avctx->nb_coded_side_data = 0; avctx->extradata_size = 0; } @@ -238,11 +250,14 @@ FF_ENABLE_DEPRECATION_WARNINGS /* reallocate values that should be allocated separately */ dest->extradata = NULL; + dest->coded_side_data = NULL; dest->intra_matrix = NULL; dest->inter_matrix = NULL; dest->rc_override = NULL; dest->subtitle_header = NULL; dest->hw_frames_ctx = NULL; + dest->hw_device_ctx = NULL; + dest->nb_coded_side_data = 0; #define alloc_and_copy_or_fail(obj, size, pad) \ if (src->obj && size > 0) { \