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authorCarl Hetherington <cth@carlh.net>2013-05-22 17:36:11 +0100
committerCarl Hetherington <cth@carlh.net>2013-05-22 17:36:11 +0100
commit596441a4e8cf03a88113646ca6da2f90e721a38b (patch)
treebf364e57aecc1f019d69b8faf32b8818eaa9d98b /src/lib/ffmpeg_decoder.cc
parent11c70b0e3051517e7bb96a7d6fa53053dab6e978 (diff)
Various hacks.
Diffstat (limited to 'src/lib/ffmpeg_decoder.cc')
-rw-r--r--src/lib/ffmpeg_decoder.cc60
1 files changed, 13 insertions, 47 deletions
diff --git a/src/lib/ffmpeg_decoder.cc b/src/lib/ffmpeg_decoder.cc
index 0ca9fc535..c0867095f 100644
--- a/src/lib/ffmpeg_decoder.cc
+++ b/src/lib/ffmpeg_decoder.cc
@@ -59,6 +59,7 @@ using std::string;
using std::vector;
using std::stringstream;
using std::list;
+using std::min;
using boost::shared_ptr;
using boost::optional;
using boost::dynamic_pointer_cast;
@@ -224,9 +225,7 @@ FFmpegDecoder::setup_subtitle ()
bool
FFmpegDecoder::pass ()
{
- cout << "ffd pass.\n";
int r = av_read_frame (_format_context, &_packet);
- cout << "A " << r << "\n";
if (r < 0) {
if (r != AVERROR_EOF) {
@@ -257,9 +256,7 @@ FFmpegDecoder::pass ()
avcodec_get_frame_defaults (_frame);
if (_packet.stream_index == _video_stream && _decode_video) {
- cout << "dvp\n";
decode_video_packet ();
- cout << "ok.\n";
} else if (_ffmpeg_content->audio_stream() && _packet.stream_index == _ffmpeg_content->audio_stream()->id && _decode_audio) {
decode_audio_packet ();
} else if (_ffmpeg_content->subtitle_stream() && _packet.stream_index == _ffmpeg_content->subtitle_stream()->id && _decode_subtitles) {
@@ -284,7 +281,6 @@ FFmpegDecoder::pass ()
}
}
- cout << "out.\n";
av_free_packet (&_packet);
return false;
}
@@ -419,30 +415,6 @@ FFmpegDecoder::pixel_format () const
return _video_codec_context->pix_fmt;
}
-int
-FFmpegDecoder::time_base_numerator () const
-{
- return _video_codec_context->time_base.num;
-}
-
-int
-FFmpegDecoder::time_base_denominator () const
-{
- return _video_codec_context->time_base.den;
-}
-
-int
-FFmpegDecoder::sample_aspect_ratio_numerator () const
-{
- return _video_codec_context->sample_aspect_ratio.num;
-}
-
-int
-FFmpegDecoder::sample_aspect_ratio_denominator () const
-{
- return _video_codec_context->sample_aspect_ratio.den;
-}
-
string
FFmpegDecoder::stream_name (AVStream* s) const
{
@@ -485,21 +457,21 @@ FFmpegDecoder::seek (Time t)
bool
FFmpegDecoder::seek_back ()
{
- if (last_content_time() < 2.5) {
+ if (next() < 2.5) {
return true;
}
- return do_seek (last_content_time() - 2.5 * TIME_HZ / video_frame_rate(), true, true);
+ return do_seek (next() - 2.5 * TIME_HZ / video_frame_rate(), true, true);
}
bool
FFmpegDecoder::seek_forward ()
{
- if (last_content_time() >= (video_length() - video_frame_rate())) {
+ if (next() >= (video_length() - video_frame_rate())) {
return true;
}
- return do_seek (last_content_time() - 0.5 * TIME_HZ / video_frame_rate(), true, true);
+ return do_seek (next() - 0.5 * TIME_HZ / video_frame_rate(), true, true);
}
bool
@@ -507,8 +479,6 @@ FFmpegDecoder::do_seek (Time t, bool backwards, bool accurate)
{
int64_t const vt = t / (av_q2d (_format_context->streams[_video_stream]->time_base) * TIME_HZ);
- cout << "seek to " << vt << " (acc=" << accurate << ") (sec " << (vt * av_q2d (_format_context->streams[_video_stream]->time_base)) << "\n";
-
int const r = av_seek_frame (_format_context, _video_stream, vt, backwards ? AVSEEK_FLAG_BACKWARD : 0);
avcodec_flush_buffers (_video_codec_context);
@@ -540,7 +510,6 @@ FFmpegDecoder::do_seek (Time t, bool backwards, bool accurate)
}
}
- cout << "seek ok.\n";
return r < 0;
}
@@ -605,16 +574,12 @@ bool
FFmpegDecoder::decode_video_packet ()
{
int frame_finished;
- cout << "avc decode v2\n";
if (avcodec_decode_video2 (_video_codec_context, _frame, &frame_finished, &_packet) < 0 || !frame_finished) {
return false;
}
- cout << "done that.\n";
boost::mutex::scoped_lock lm (_filter_graphs_mutex);
- cout << "got lock.\n";
-
shared_ptr<FilterGraph> graph;
list<shared_ptr<FilterGraph> >::iterator i = _filter_graphs.begin();
@@ -622,8 +587,6 @@ FFmpegDecoder::decode_video_packet ()
++i;
}
- cout << "found graph.\n";
-
if (i == _filter_graphs.end ()) {
graph.reset (new FilterGraph (_film, this, libdcp::Size (_frame->width, _frame->height), (AVPixelFormat) _frame->format));
_filter_graphs.push_back (graph);
@@ -633,9 +596,7 @@ FFmpegDecoder::decode_video_packet ()
}
- cout << "pushed in.\n";
list<shared_ptr<Image> > images = graph->process (_frame);
- cout << "got " << images.size() << "\n";
for (list<shared_ptr<Image> >::iterator i = images.begin(); i != images.end(); ++i) {
int64_t const bet = av_frame_get_best_effort_timestamp (_frame);
@@ -643,9 +604,8 @@ FFmpegDecoder::decode_video_packet ()
/* XXX: may need to insert extra frames / remove frames here ...
(as per old Matcher)
*/
- cout << "emitting.\n";
- emit_video (*i, false, bet * av_q2d (_format_context->streams[_video_stream]->time_base) * TIME_HZ);
- cout << "emitted.\n";
+ Time const t = bet * av_q2d (_format_context->streams[_video_stream]->time_base) * TIME_HZ;
+ emit_video (*i, false, t);
} else {
_film->log()->log ("Dropping frame without PTS");
}
@@ -653,3 +613,9 @@ FFmpegDecoder::decode_video_packet ()
return true;
}
+
+Time
+FFmpegDecoder::next () const
+{
+ return min (_next_video, _next_audio);
+}