decoder/ffmpeg: add "pure" attributes

This commit is contained in:
Max Kellermann 2014-12-18 20:17:15 +01:00
parent a271a55da7
commit 6637db086b

View File

@ -198,6 +198,7 @@ ffmpeg_init(gcc_unused const config_param &param)
return true;
}
gcc_pure
static int
ffmpeg_find_audio_stream(const AVFormatContext &format_context)
{
@ -252,7 +253,7 @@ timestamp_fallback(int64_t t, int64_t fallback)
* assume that the stream's start time is zero, which appears to be
* the best way out of that situation.
*/
static int64_t
static constexpr int64_t
start_time_fallback(const AVStream &stream)
{
return timestamp_fallback(stream.start_time, 0);