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decoder/ffmpeg: merge avformat_close_input() calls

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This commit is contained in:
Max Kellermann 2014-12-19 09:57:29 +01:00
parent a3d020eff9
commit cafc266e0b
1 changed files with 61 additions and 54 deletions
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115
src/decoder/plugins/FfmpegDecoderPlugin.cxx
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@ -405,44 +405,23 @@ ffmpeg_probe(Decoder *decoder, InputStream &is)
}
static void
ffmpeg_decode(Decoder &decoder, InputStream &input)
FfmpegDecode(Decoder &decoder, InputStream &input,
AVFormatContext &format_context)
{
AVInputFormat *input_format = ffmpeg_probe(&decoder, input);
if (input_format == nullptr)
return;
FormatDebug(ffmpeg_domain, "detected input format '%s' (%s)",
input_format->name, input_format->long_name);
AvioStream stream(&decoder, input);
if (!stream.Open()) {
LogError(ffmpeg_domain, "Failed to open stream");
return;
}
AVFormatContext *format_context =
FfmpegOpenInput(stream.io, input.GetURI(), input_format);
if (format_context == nullptr) {
LogError(ffmpeg_domain, "Open failed");
return;
}
const int find_result =
avformat_find_stream_info(format_context, nullptr);
avformat_find_stream_info(&format_context, nullptr);
if (find_result < 0) {
LogError(ffmpeg_domain, "Couldn't find stream info");
avformat_close_input(&format_context);
return;
}
int audio_stream = ffmpeg_find_audio_stream(*format_context);
int audio_stream = ffmpeg_find_audio_stream(format_context);
if (audio_stream == -1) {
LogError(ffmpeg_domain, "No audio stream inside");
avformat_close_input(&format_context);
return;
}
AVStream &av_stream = *format_context->streams[audio_stream];
AVStream &av_stream = *format_context.streams[audio_stream];
AVCodecContext *codec_context = av_stream.codec;
const auto &codec_params = GetCodecParameters(av_stream);
@ -463,7 +442,6 @@ ffmpeg_decode(Decoder &decoder, InputStream &input)
if (!codec) {
LogError(ffmpeg_domain, "Unsupported audio codec");
avformat_close_input(&format_context);
return;
}
@ -471,7 +449,6 @@ ffmpeg_decode(Decoder &decoder, InputStream &input)
ffmpeg_sample_format(GetSampleFormat(codec_params));
if (sample_format == SampleFormat::UNDEFINED) {
// (error message already done by ffmpeg_sample_format())
avformat_close_input(&format_context);
return;
}
@ -482,7 +459,6 @@ ffmpeg_decode(Decoder &decoder, InputStream &input)
sample_format,
codec_params.channels, error)) {
LogError(error);
avformat_close_input(&format_context);
return;
}
@ -494,7 +470,6 @@ ffmpeg_decode(Decoder &decoder, InputStream &input)
const int open_result = avcodec_open2(codec_context, codec, nullptr);
if (open_result < 0) {
LogError(ffmpeg_domain, "Could not open codec");
avformat_close_input(&format_context);
return;
}
@ -511,7 +486,6 @@ ffmpeg_decode(Decoder &decoder, InputStream &input)
#endif
if (!frame) {
LogError(ffmpeg_domain, "Could not allocate frame");
avformat_close_input(&format_context);
return;
}
@ -530,7 +504,7 @@ ffmpeg_decode(Decoder &decoder, InputStream &input)
/* AVSEEK_FLAG_BACKWARD asks FFmpeg to seek to
the packet boundary before the seek time
stamp, not after */
if (av_seek_frame(format_context, audio_stream, where,
if (av_seek_frame(&format_context, audio_stream, where,
AVSEEK_FLAG_ANY|AVSEEK_FLAG_BACKWARD) < 0)
decoder_seek_error(decoder);
else {
@ -541,7 +515,7 @@ ffmpeg_decode(Decoder &decoder, InputStream &input)
}
AVPacket packet;
if (av_read_frame(format_context, &packet) < 0)
if (av_read_frame(&format_context, &packet) < 0)
/* end of file */
break;
@ -573,9 +547,61 @@ ffmpeg_decode(Decoder &decoder, InputStream &input)
#endif
avcodec_close(codec_context);
}
static void
ffmpeg_decode(Decoder &decoder, InputStream &input)
{
AVInputFormat *input_format = ffmpeg_probe(&decoder, input);
if (input_format == nullptr)
return;
FormatDebug(ffmpeg_domain, "detected input format '%s' (%s)",
input_format->name, input_format->long_name);
AvioStream stream(&decoder, input);
if (!stream.Open()) {
LogError(ffmpeg_domain, "Failed to open stream");
return;
}
AVFormatContext *format_context =
FfmpegOpenInput(stream.io, input.GetURI(), input_format);
if (format_context == nullptr) {
LogError(ffmpeg_domain, "Open failed");
return;
}
FfmpegDecode(decoder, input, *format_context);
avformat_close_input(&format_context);
}
static bool
FfmpegScanStream(AVFormatContext &format_context,
const struct tag_handler &handler, void *handler_ctx)
{
const int find_result =
avformat_find_stream_info(&format_context, nullptr);
if (find_result < 0)
return false;
if (format_context.duration != (int64_t)AV_NOPTS_VALUE) {
const auto duration =
SongTime::FromScale<uint64_t>(format_context.duration,
AV_TIME_BASE);
tag_handler_invoke_duration(&handler, handler_ctx, duration);
}
FfmpegScanDictionary(format_context.metadata, &handler, handler_ctx);
int idx = ffmpeg_find_audio_stream(format_context);
if (idx >= 0)
FfmpegScanDictionary(format_context.streams[idx]->metadata,
&handler, handler_ctx);
return FfmpegScanStream(format_context, handler, handler_ctx);
}
static bool
ffmpeg_scan_stream(InputStream &is,
const struct tag_handler *handler, void *handler_ctx)
@ -593,28 +619,9 @@ ffmpeg_scan_stream(InputStream &is,
if (f == nullptr)
return false;
const int find_result =
avformat_find_stream_info(f, nullptr);
if (find_result < 0) {
bool result = FfmpegScanStream(*f, *handler, handler_ctx);
avformat_close_input(&f);
return false;
}
if (f->duration != (int64_t)AV_NOPTS_VALUE) {
const auto duration =
SongTime::FromScale<uint64_t>(f->duration,
AV_TIME_BASE);
tag_handler_invoke_duration(handler, handler_ctx, duration);
}
FfmpegScanDictionary(f->metadata, handler, handler_ctx);
int idx = ffmpeg_find_audio_stream(*f);
if (idx >= 0)
FfmpegScanDictionary(f->streams[idx]->metadata,
handler, handler_ctx);
avformat_close_input(&f);
return true;
return result;
}
/**