/*
- Copyright (C) 2013-2015 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2021 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
*/
+
#include "dcpomatic_log.h"
#include "ffmpeg_examiner.h"
#include "ffmpeg_content.h"
#include "i18n.h"
-using std::string;
+
using std::cout;
+using std::make_shared;
using std::max;
-using std::vector;
using std::shared_ptr;
+using std::string;
+using std::vector;
using boost::optional;
using namespace dcpomatic;
/* Find audio and subtitle streams */
for (uint32_t i = 0; i < _format_context->nb_streams; ++i) {
- AVStream* s = _format_context->streams[i];
+ auto s = _format_context->streams[i];
DCPOMATIC_DISABLE_WARNINGS
if (s->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
DCPOMATIC_ASSERT (s->codec->codec->name);
_audio_streams.push_back (
- shared_ptr<FFmpegAudioStream> (
- new FFmpegAudioStream (
- stream_name (s),
- s->codec->codec->name,
- s->id,
- s->codec->sample_rate,
- llrint ((double (_format_context->duration) / AV_TIME_BASE) * s->codec->sample_rate),
- s->codec->channels
- )
+ make_shared<FFmpegAudioStream>(
+ stream_name (s),
+ s->codec->codec->name,
+ s->id,
+ s->codec->sample_rate,
+ llrint ((double(_format_context->duration) / AV_TIME_BASE) * s->codec->sample_rate),
+ s->codec->channels
)
);
}
}
- AVPacket packet;
- packet.data = nullptr;
- packet.size = 0;
- /* XXX: I'm not sure this makes any sense: how does _packet.stream_index get the right value here? */
+ if (_video_stream) {
+ AVPacket packet;
+ av_init_packet (&packet);
+ packet.data = nullptr;
+ packet.size = 0;
DCPOMATIC_DISABLE_WARNINGS
- auto context = _format_context->streams[packet.stream_index]->codec;
+ auto context = _format_context->streams[*_video_stream]->codec;
+DCPOMATIC_ENABLE_WARNINGS
+ while (video_packet(context, temporal_reference, &packet)) {}
+ }
+
+ for (auto i: _audio_streams) {
+ AVPacket packet;
+ av_init_packet (&packet);
+ packet.data = nullptr;
+ packet.size = 0;
+DCPOMATIC_DISABLE_WARNINGS
+ audio_packet (i->stream(_format_context)->codec, i, &packet);
DCPOMATIC_ENABLE_WARNINGS
- while (_video_stream && video_packet(context, temporal_reference, &packet)) {}
- for (size_t i = 0; i < _audio_streams.size(); ++i) {
- if (_audio_streams[i]->uses_index(_format_context, packet.stream_index)) {
- audio_packet (context, _audio_streams[i], &packet);
- }
}
if (_video_stream) {
return av_q2d(av_guess_frame_rate(_format_context, _format_context->streams[_video_stream.get()], 0));
}
+
dcp::Size
FFmpegExaminer::video_size () const
{
return dcp::Size (video_codec_context()->width, video_codec_context()->height);
}
+
/** @return Length according to our content's header */
Frame
FFmpegExaminer::video_length () const
return max (Frame (1), _video_length);
}
+
optional<double>
FFmpegExaminer::sample_aspect_ratio () const
{
DCPOMATIC_ASSERT (_video_stream);
- AVRational sar = av_guess_sample_aspect_ratio (_format_context, _format_context->streams[_video_stream.get()], 0);
+ auto sar = av_guess_sample_aspect_ratio (_format_context, _format_context->streams[_video_stream.get()], 0);
if (sar.num == 0) {
/* I assume this means that we don't know */
return {};
return double (sar.num) / sar.den;
}
+
string
FFmpegExaminer::subtitle_stream_name (AVStream* s) const
{
return n;
}
+
string
FFmpegExaminer::stream_name (AVStream* s) const
{
string n;
if (s->metadata) {
- AVDictionaryEntry const * lang = av_dict_get (s->metadata, "language", 0, 0);
+ auto const lang = av_dict_get (s->metadata, "language", 0, 0);
if (lang) {
n = lang->value;
}
- AVDictionaryEntry const * title = av_dict_get (s->metadata, "title", 0, 0);
+ auto const title = av_dict_get (s->metadata, "title", 0, 0);
if (title) {
if (!n.empty()) {
n += " ";
return n;
}
+
optional<int>
FFmpegExaminer::bits_per_pixel () const
{
if (video_codec_context()->pix_fmt == -1) {
- return optional<int>();
+ return {};
}
- AVPixFmtDescriptor const * d = av_pix_fmt_desc_get (video_codec_context()->pix_fmt);
+ auto const d = av_pix_fmt_desc_get (video_codec_context()->pix_fmt);
DCPOMATIC_ASSERT (d);
return av_get_bits_per_pixel (d);
}
+
bool
FFmpegExaminer::yuv () const
{
}
}
+
bool
FFmpegExaminer::has_video () const
{
- return static_cast<bool> (_video_stream);
+ return static_cast<bool>(_video_stream);
}
+
VideoRange
FFmpegExaminer::range () const
{