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authorAnton Khirnov <anton@khirnov.net>2014-05-18 12:36:00 +0200
committerAnton Khirnov <anton@khirnov.net>2014-05-19 07:14:24 +0200
commita312f71090ee620ee252f2034aef6b13e2dafe9c (patch)
tree89103751cc4280ac69b74e136de13c2df0b84858 /libavformat/mux.c
parented7922faac4ea4c893efc3cdf8102ebc49fcc011 (diff)
downloadffmpeg-a312f71090ee620ee252f2034aef6b13e2dafe9c.tar.gz
lavf: deprecate now unused AVStream.pts
Diffstat (limited to 'libavformat/mux.c')
-rw-r--r--libavformat/mux.c107
1 files changed, 2 insertions, 105 deletions
diff --git a/libavformat/mux.c b/libavformat/mux.c
index 4d984cb48a..e024a7eaea 100644
--- a/libavformat/mux.c
+++ b/libavformat/mux.c
@@ -51,56 +51,6 @@
* muxing functions for use within Libav
*/
-/* fraction handling */
-
-/**
- * f = val + (num / den) + 0.5.
- *
- * 'num' is normalized so that it is such as 0 <= num < den.
- *
- * @param f fractional number
- * @param val integer value
- * @param num must be >= 0
- * @param den must be >= 1
- */
-static void frac_init(AVFrac *f, int64_t val, int64_t num, int64_t den)
-{
- num += (den >> 1);
- if (num >= den) {
- val += num / den;
- num = num % den;
- }
- f->val = val;
- f->num = num;
- f->den = den;
-}
-
-/**
- * Fractional addition to f: f = f + (incr / f->den).
- *
- * @param f fractional number
- * @param incr increment, can be positive or negative
- */
-static void frac_add(AVFrac *f, int64_t incr)
-{
- int64_t num, den;
-
- num = f->num + incr;
- den = f->den;
- if (num < 0) {
- f->val += num / den;
- num = num % den;
- if (num < 0) {
- num += den;
- f->val--;
- }
- } else if (num >= den) {
- f->val += num / den;
- num = num % den;
- }
- f->num = num;
-}
-
static int validate_codec_tag(AVFormatContext *s, AVStream *st)
{
const AVCodecTag *avctag;
@@ -273,37 +223,6 @@ fail:
return ret;
}
-static int init_pts(AVFormatContext *s)
-{
- int i;
- AVStream *st;
-
- /* init PTS generation */
- for (i = 0; i < s->nb_streams; i++) {
- int64_t den = AV_NOPTS_VALUE;
- st = s->streams[i];
-
- switch (st->codec->codec_type) {
- case AVMEDIA_TYPE_AUDIO:
- den = (int64_t)st->time_base.num * st->codec->sample_rate;
- break;
- case AVMEDIA_TYPE_VIDEO:
- den = (int64_t)st->time_base.num * st->codec->time_base.den;
- break;
- default:
- break;
- }
- if (den != AV_NOPTS_VALUE) {
- if (den <= 0)
- return AVERROR_INVALIDDATA;
-
- frac_init(&st->pts, 0, 0, den);
- }
- }
-
- return 0;
-}
-
int avformat_write_header(AVFormatContext *s, AVDictionary **options)
{
int ret = 0;
@@ -317,9 +236,6 @@ int avformat_write_header(AVFormatContext *s, AVDictionary **options)
return ret;
}
- if ((ret = init_pts(s)) < 0)
- return ret;
-
return 0;
}
@@ -327,7 +243,7 @@ int avformat_write_header(AVFormatContext *s, AVDictionary **options)
static int compute_pkt_fields2(AVFormatContext *s, AVStream *st, AVPacket *pkt)
{
int delay = FFMAX(st->codec->has_b_frames, !!st->codec->max_b_frames);
- int num, den, frame_size, i;
+ int num, den, i;
av_dlog(s, "compute_pkt_fields2: pts:%" PRId64 " dts:%" PRId64 " cur_dts:%" PRId64 " b:%d size:%d st:%d\n",
pkt->pts, pkt->dts, st->cur_dts, delay, pkt->size, pkt->stream_index);
@@ -373,26 +289,7 @@ static int compute_pkt_fields2(AVFormatContext *s, AVStream *st, AVPacket *pkt)
av_dlog(s, "av_write_frame: pts2:%"PRId64" dts2:%"PRId64"\n",
pkt->pts, pkt->dts);
st->cur_dts = pkt->dts;
- st->pts.val = pkt->dts;
-
- /* update pts */
- switch (st->codec->codec_type) {
- case AVMEDIA_TYPE_AUDIO:
- frame_size = ff_get_audio_frame_size(st->codec, pkt->size, 1);
-
- /* HACK/FIXME, we skip the initial 0 size packets as they are most
- * likely equal to the encoder delay, but it would be better if we
- * had the real timestamps from the encoder */
- if (frame_size >= 0 && (pkt->size || st->pts.num != st->pts.den >> 1 || st->pts.val)) {
- frac_add(&st->pts, (int64_t)st->time_base.den * frame_size);
- }
- break;
- case AVMEDIA_TYPE_VIDEO:
- frac_add(&st->pts, (int64_t)st->time_base.den * st->codec->time_base.num);
- break;
- default:
- break;
- }
+
return 0;
}