avformat/utils: Move guessing frame rate/SAR to avformat.c

It is not explicitly forbidden to call these functions with muxers
(although it is probably intended to be only called by demuxers;
av_guess_sample_aspect_ratio even says that "the stream aspect ratio
is set by the demuxer").

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

1 files changed, 0 insertions, 45 deletions

diff --git a/libavformat/utils.c b/libavformat/utils.c
index ebee44f47d..272b8790a6 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -808,51 +808,6 @@ int avformat_network_deinit(void)
     return 0;
 }
 
-AVRational av_guess_sample_aspect_ratio(AVFormatContext *format, AVStream *stream, AVFrame *frame)
-{
-    AVRational undef = {0, 1};
-    AVRational stream_sample_aspect_ratio = stream ? stream->sample_aspect_ratio : undef;
-    AVRational codec_sample_aspect_ratio  = stream && stream->codecpar ? stream->codecpar->sample_aspect_ratio : undef;
-    AVRational frame_sample_aspect_ratio  = frame  ? frame->sample_aspect_ratio  : codec_sample_aspect_ratio;
-
-    av_reduce(&stream_sample_aspect_ratio.num, &stream_sample_aspect_ratio.den,
-               stream_sample_aspect_ratio.num,  stream_sample_aspect_ratio.den, INT_MAX);
-    if (stream_sample_aspect_ratio.num <= 0 || stream_sample_aspect_ratio.den <= 0)
-        stream_sample_aspect_ratio = undef;
-
-    av_reduce(&frame_sample_aspect_ratio.num, &frame_sample_aspect_ratio.den,
-               frame_sample_aspect_ratio.num,  frame_sample_aspect_ratio.den, INT_MAX);
-    if (frame_sample_aspect_ratio.num <= 0 || frame_sample_aspect_ratio.den <= 0)
-        frame_sample_aspect_ratio = undef;
-
-    if (stream_sample_aspect_ratio.num)
-        return stream_sample_aspect_ratio;
-    else
-        return frame_sample_aspect_ratio;
-}
-
-AVRational av_guess_frame_rate(AVFormatContext *format, AVStream *st, AVFrame *frame)
-{
-    AVRational fr = st->r_frame_rate;
-    AVCodecContext *const avctx = ffstream(st)->avctx;
-    AVRational codec_fr = avctx->framerate;
-    AVRational   avg_fr = st->avg_frame_rate;
-
-    if (avg_fr.num > 0 && avg_fr.den > 0 && fr.num > 0 && fr.den > 0 &&
-        av_q2d(avg_fr) < 70 && av_q2d(fr) > 210) {
-        fr = avg_fr;
-    }
-
-
-    if (avctx->ticks_per_frame > 1) {
-        if (   codec_fr.num > 0 && codec_fr.den > 0 &&
-            (fr.num == 0 || av_q2d(codec_fr) < av_q2d(fr)*0.7 && fabs(1.0 - av_q2d(av_div_q(avg_fr, fr))) > 0.1))
-            fr = codec_fr;
-    }
-
-    return fr;
-}
-
 void ff_format_io_close_default(AVFormatContext *s, AVIOContext *pb)
 {
     avio_close(pb);