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*: add "noexcept" to many, many function prototypes

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This eliminates some overhead, because the compiler doesn't need to
consider these functions throwing.
This commit is contained in:
Max Kellermann
2017-05-08 14:44:49 +02:00
parent ac2e4e593d
commit 71f0ed8b74
272 changed files with 873 additions and 846 deletions
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18
src/decoder/plugins/FfmpegDecoderPlugin.cxx
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@@ -112,14 +112,14 @@ ffmpeg_finish()
gcc_pure
static const AVCodecParameters &
GetCodecParameters(const AVStream &stream)
GetCodecParameters(const AVStream &stream) noexcept
{
return *stream.codecpar;
}
gcc_pure
static AVSampleFormat
GetSampleFormat(const AVCodecParameters &codec_params)
GetSampleFormat(const AVCodecParameters &codec_params) noexcept
{
return AVSampleFormat(codec_params.format);
}
@@ -128,14 +128,14 @@ GetSampleFormat(const AVCodecParameters &codec_params)
gcc_pure
static const AVCodecContext &
GetCodecParameters(const AVStream &stream)
GetCodecParameters(const AVStream &stream) noexcept
{
return *stream.codec;
}
gcc_pure
static AVSampleFormat
GetSampleFormat(const AVCodecContext &codec_context)
GetSampleFormat(const AVCodecContext &codec_context) noexcept
{
return codec_context.sample_fmt;
}
@@ -144,14 +144,14 @@ GetSampleFormat(const AVCodecContext &codec_context)
gcc_pure
static bool
IsAudio(const AVStream &stream)
IsAudio(const AVStream &stream) noexcept
{
return GetCodecParameters(stream).codec_type == AVMEDIA_TYPE_AUDIO;
}
gcc_pure
static int
ffmpeg_find_audio_stream(const AVFormatContext &format_context)
ffmpeg_find_audio_stream(const AVFormatContext &format_context) noexcept
{
for (unsigned i = 0; i < format_context.nb_streams; ++i)
if (IsAudio(*format_context.streams[i]))
@@ -220,7 +220,7 @@ copy_interleave_frame(const AVCodecContext &codec_context,
*/
gcc_pure
static int64_t
StreamRelativePts(const AVPacket &packet, const AVStream &stream)
StreamRelativePts(const AVPacket &packet, const AVStream &stream) noexcept
{
auto pts = packet.pts;
if (pts < 0 || pts == int64_t(AV_NOPTS_VALUE))
@@ -237,7 +237,7 @@ StreamRelativePts(const AVPacket &packet, const AVStream &stream)
gcc_pure
static uint64_t
PtsToPcmFrame(uint64_t pts, const AVStream &stream,
const AVCodecContext &codec_context)
const AVCodecContext &codec_context) noexcept
{
return av_rescale_q(pts, stream.time_base, codec_context.time_base);
}
@@ -437,7 +437,7 @@ ffmpeg_send_packet(DecoderClient &client, InputStream &is,
gcc_const
static SampleFormat
ffmpeg_sample_format(enum AVSampleFormat sample_fmt)
ffmpeg_sample_format(enum AVSampleFormat sample_fmt) noexcept
{
switch (sample_fmt) {
case AV_SAMPLE_FMT_S16: