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avconv: Check that muxing_queue exists before reading from it 

This avoids a segfault on nonexisting codec names.
This commit is contained in:
Diego Biurrun 2016-07-25 15:04:02 +02:00
parent 100fb0ddfd
commit e46a6fb773
1 changed files with 8 additions and 6 deletions
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14
avconv.c
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@ -203,13 +203,15 @@ static void avconv_cleanup(int ret)
avcodec_free_context(&ost->enc_ctx);
while (av_fifo_size(ost->muxing_queue)) {
AVPacket pkt;
av_fifo_generic_read(ost->muxing_queue, &pkt, sizeof(pkt), NULL);
av_packet_unref(&pkt);
if (ost->muxing_queue) {
while (av_fifo_size(ost->muxing_queue)) {
AVPacket pkt;
av_log(NULL, AV_LOG_INFO, "after av_fifo_size()\n");
av_fifo_generic_read(ost->muxing_queue, &pkt, sizeof(pkt), NULL);
av_packet_unref(&pkt);
}
av_fifo_free(ost->muxing_queue);
}
av_fifo_free(ost->muxing_queue);
av_freep(&output_streams[i]);
}
for (i = 0; i < nb_input_files; i++) {