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decoder/ffmpeg: use AtScopeExit() for safe cleanup

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This commit is contained in:
Max Kellermann 2016-07-29 09:08:14 +02:00
parent a076ddf38c
commit a9edb4de28
1 changed files with 24 additions and 15 deletions
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39
src/decoder/plugins/FfmpegDecoderPlugin.cxx
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@ -35,6 +35,7 @@
#include "tag/TagHandler.hxx"
#include "input/InputStream.hxx"
#include "CheckAudioFormat.hxx"
#include "util/ScopeExit.hxx"
#include "util/ConstBuffer.hxx"
#include "util/Error.hxx"
#include "LogV.hxx"
@ -473,6 +474,10 @@ FfmpegDecode(Decoder &decoder, InputStream &input,
return;
}
AtScopeExit(codec_context) {
avcodec_close(codec_context);
};
const SignedSongTime total_time =
FromFfmpegTimeChecked(av_stream.duration, av_stream.time_base);
@ -489,6 +494,16 @@ FfmpegDecode(Decoder &decoder, InputStream &input,
return;
}
AtScopeExit(&frame) {
#if LIBAVUTIL_VERSION_MAJOR >= 53
av_frame_free(&frame);
#elif LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(54, 28, 0)
avcodec_free_frame(&frame);
#else
av_free(frame);
#endif
};
FfmpegBuffer interleaved_buffer;
uint64_t min_frame = 0;
@ -537,16 +552,6 @@ FfmpegDecode(Decoder &decoder, InputStream &input,
av_free_packet(&packet);
#endif
}
#if LIBAVUTIL_VERSION_MAJOR >= 53
av_frame_free(&frame);
#elif LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(54, 28, 0)
avcodec_free_frame(&frame);
#else
av_free(frame);
#endif
avcodec_close(codec_context);
}
static void
@ -572,9 +577,11 @@ ffmpeg_decode(Decoder &decoder, InputStream &input)
return;
}
FfmpegDecode(decoder, input, *format_context);
AtScopeExit(&format_context) {
avformat_close_input(&format_context);
};
avformat_close_input(&format_context);
FfmpegDecode(decoder, input, *format_context);
}
static bool
@ -619,9 +626,11 @@ ffmpeg_scan_stream(InputStream &is,
if (f == nullptr)
return false;
bool result = FfmpegScanStream(*f, *handler, handler_ctx);
avformat_close_input(&f);
return result;
AtScopeExit(&f) {
avformat_close_input(&f);
};
return FfmpegScanStream(*f, *handler, handler_ctx);
}
/**