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ffplay: avoid useless NULL checks in swr_free()

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swr_free() already checks for nullness, no need to add the check in
calling code.
This commit is contained in:
Stefano Sabatini 2012-06-28 23:52:28 +02:00
parent 4674718203
commit 4fd07b9366
1 changed files with 2 additions and 4 deletions
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6
ffplay.c
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@ -1963,8 +1963,7 @@ static int audio_decode_frame(VideoState *is, double *pts_ptr)
dec_channel_layout != is->audio_src.channel_layout ||
dec->sample_rate != is->audio_src.freq ||
(wanted_nb_samples != is->frame->nb_samples && !is->swr_ctx)) {
if (is->swr_ctx)
swr_free(&is->swr_ctx);
swr_free(&is->swr_ctx);
is->swr_ctx = swr_alloc_set_opts(NULL,
is->audio_tgt.channel_layout, is->audio_tgt.fmt, is->audio_tgt.freq,
dec_channel_layout, dec->sample_fmt, dec->sample_rate,
@ -2268,8 +2267,7 @@ static void stream_component_close(VideoState *is, int stream_index)
packet_queue_flush(&is->audioq);
av_free_packet(&is->audio_pkt);
if (is->swr_ctx)
swr_free(&is->swr_ctx);
swr_free(&is->swr_ctx);
av_freep(&is->audio_buf1);
is->audio_buf = NULL;
av_freep(&is->frame);