decoder/ffmpeg: add "pure" attributes

This commit is contained in:
Max Kellermann 2014-12-18 20:17:15 +01:00
parent 25f89afbfb
commit 0cf4c6ffea

View File

@ -192,6 +192,7 @@ ffmpeg_init(gcc_unused const config_param &param)
return true;
}
gcc_pure
static int
ffmpeg_find_audio_stream(const AVFormatContext *format_context)
{
@ -246,7 +247,7 @@ 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);