#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
}
-#include <boost/foreach.hpp>
#include <boost/algorithm/string.hpp>
#include <vector>
#include <iomanip>
using std::pair;
using std::max;
using std::map;
-using boost::shared_ptr;
+using std::shared_ptr;
+using std::make_shared;
using boost::is_any_of;
using boost::split;
using boost::optional;
-using boost::dynamic_pointer_cast;
+using std::dynamic_pointer_cast;
using dcp::Size;
using namespace dcpomatic;
+
FFmpegDecoder::FFmpegDecoder (shared_ptr<const Film> film, shared_ptr<const FFmpegContent> c, bool fast)
: FFmpeg (c)
, Decoder (film)
, _have_current_subtitle (false)
{
if (c->video && c->video->use()) {
- video.reset (new VideoDecoder (this, c));
+ video = make_shared<VideoDecoder>(this, c);
_pts_offset = pts_offset (c->ffmpeg_audio_streams(), c->first_video(), c->active_video_frame_rate(film));
/* It doesn't matter what size or pixel format this is, it just needs to be black */
_black_image.reset (new Image (AV_PIX_FMT_RGB24, dcp::Size (128, 128), true));
_black_image->make_black ();
} else {
- _pts_offset = ContentTime ();
+ _pts_offset = {};
}
if (c->audio) {
- audio.reset (new AudioDecoder (this, c->audio, fast));
+ audio = make_shared<AudioDecoder>(this, c->audio, fast);
}
if (c->only_text()) {
/* XXX: this time here should be the time of the first subtitle, not 0 */
- text.push_back (shared_ptr<TextDecoder> (new TextDecoder (this, c->only_text(), ContentTime())));
+ text.push_back (make_shared<TextDecoder>(this, c->only_text(), ContentTime()));
}
_next_time.resize (_format_context->nb_streams);
}
+
void
FFmpegDecoder::flush ()
{
/* Get any remaining frames */
- _packet.data = 0;
- _packet.size = 0;
-
- /* XXX: should we reset _packet.data and size after each *_decode_* call? */
-
- while (video && decode_video_packet()) {}
+ AVPacket packet;
+ packet.data = nullptr;
+ packet.size = 0;
+ while (video && decode_video_packet(&packet)) {}
if (audio) {
- decode_audio_packet ();
+ packet.data = nullptr;
+ packet.size = 0;
+ decode_audio_packet (&packet);
}
/* Make sure all streams are the same length and round up to the next video frame */
- FrameRateChange const frc = film()->active_frame_rate_change(_ffmpeg_content->position());
+ auto const frc = film()->active_frame_rate_change(_ffmpeg_content->position());
ContentTime full_length (_ffmpeg_content->full_length(film()), frc);
full_length = full_length.ceil (frc.source);
if (video) {
double const vfr = _ffmpeg_content->video_frame_rate().get();
- Frame const f = full_length.frames_round (vfr);
- Frame v = video->position(film()).get_value_or(ContentTime()).frames_round(vfr) + 1;
+ auto const f = full_length.frames_round (vfr);
+ auto v = video->position(film()).get_value_or(ContentTime()).frames_round(vfr) + 1;
while (v < f) {
video->emit (film(), shared_ptr<const ImageProxy> (new RawImageProxy (_black_image)), v);
++v;
}
}
- BOOST_FOREACH (shared_ptr<FFmpegAudioStream> i, _ffmpeg_content->ffmpeg_audio_streams ()) {
- ContentTime a = audio->stream_position(film(), i);
+ for (auto i: _ffmpeg_content->ffmpeg_audio_streams ()) {
+ auto a = audio->stream_position(film(), i);
/* Unfortunately if a is 0 that really means that we don't know the stream position since
there has been no data on it since the last seek. In this case we'll just do nothing
here. I'm not sure if that's the right idea.
*/
if (a > ContentTime()) {
while (a < full_length) {
- ContentTime to_do = min (full_length - a, ContentTime::from_seconds (0.1));
- shared_ptr<AudioBuffers> silence (new AudioBuffers (i->channels(), to_do.frames_ceil (i->frame_rate())));
+ auto to_do = min (full_length - a, ContentTime::from_seconds (0.1));
+ auto silence = make_shared<AudioBuffers>(i->channels(), to_do.frames_ceil (i->frame_rate()));
silence->make_silent ();
- audio->emit (film(), i, silence, a);
+ audio->emit (film(), i, silence, a, true);
a += to_do;
}
}
}
}
+
bool
FFmpegDecoder::pass ()
{
-#ifdef DCPOMATIC_VARIANT_SWAROOP
- if (_ffmpeg_content->encrypted() && !_ffmpeg_content->kdm()) {
- return true;
- }
-#endif
+ auto packet = av_packet_alloc();
+ DCPOMATIC_ASSERT (packet);
- int r = av_read_frame (_format_context, &_packet);
+ int r = av_read_frame (_format_context, packet);
/* AVERROR_INVALIDDATA can apparently be returned sometimes even when av_read_frame
has pretty-much succeeded (and hence generated data which should be processed).
LOG_ERROR (N_("error on av_read_frame (%1) (%2)"), &buf[0], r);
}
+ av_packet_free (&packet);
flush ();
return true;
}
- int const si = _packet.stream_index;
- shared_ptr<const FFmpegContent> fc = _ffmpeg_content;
+ int const si = packet->stream_index;
+ auto fc = _ffmpeg_content;
if (_video_stream && si == _video_stream.get() && video && !video->ignore()) {
- decode_video_packet ();
+ decode_video_packet (packet);
} else if (fc->subtitle_stream() && fc->subtitle_stream()->uses_index(_format_context, si) && !only_text()->ignore()) {
- decode_subtitle_packet ();
+ decode_subtitle_packet (packet);
} else {
- decode_audio_packet ();
+ decode_audio_packet (packet);
}
- av_packet_unref (&_packet);
+ av_packet_free (&packet);
return false;
}
+
/** @param data pointer to array of pointers to buffers.
* Only the first buffer will be used for non-planar data, otherwise there will be one per channel.
*/
{
DCPOMATIC_ASSERT (bytes_per_audio_sample (stream));
+DCPOMATIC_DISABLE_WARNINGS
int const size = av_samples_get_buffer_size (
0, stream->stream(_format_context)->codec->channels, _frame->nb_samples, audio_sample_format (stream), 1
);
+DCPOMATIC_ENABLE_WARNINGS
+
+ /* XXX: can't we just use _frame->nb_samples directly here? */
+ /* XXX: can't we use swr_convert() to do the format conversion? */
/* Deinterleave and convert to float */
int const total_samples = size / bytes_per_audio_sample (stream);
int const channels = stream->channels();
int const frames = total_samples / channels;
- shared_ptr<AudioBuffers> audio (new AudioBuffers (channels, frames));
- float** data = audio->data();
+ auto audio = make_shared<AudioBuffers>(channels, frames);
+ auto data = audio->data();
switch (audio_sample_format (stream)) {
case AV_SAMPLE_FMT_U8:
return audio;
}
+
AVSampleFormat
FFmpegDecoder::audio_sample_format (shared_ptr<FFmpegAudioStream> stream) const
{
+DCPOMATIC_DISABLE_WARNINGS
return stream->stream (_format_context)->codec->sample_fmt;
+DCPOMATIC_ENABLE_WARNINGS
}
+
int
FFmpegDecoder::bytes_per_audio_sample (shared_ptr<FFmpegAudioStream> stream) const
{
return av_get_bytes_per_sample (audio_sample_format (stream));
}
+
void
FFmpegDecoder::seek (ContentTime time, bool accurate)
{
we don't really know what the seek will give us.
*/
- ContentTime pre_roll = accurate ? ContentTime::from_seconds (2) : ContentTime (0);
+ auto pre_roll = accurate ? ContentTime::from_seconds (2) : ContentTime (0);
time -= pre_roll;
/* XXX: it seems debatable whether PTS should be used here...
stream = _video_stream;
} else {
DCPOMATIC_ASSERT (_ffmpeg_content->audio);
- shared_ptr<FFmpegAudioStream> s = dynamic_pointer_cast<FFmpegAudioStream> (_ffmpeg_content->audio->stream ());
+ auto s = dynamic_pointer_cast<FFmpegAudioStream>(_ffmpeg_content->audio->stream());
if (s) {
stream = s->index (_format_context);
}
DCPOMATIC_ASSERT (stream);
- ContentTime u = time - _pts_offset;
+ auto u = time - _pts_offset;
if (u < ContentTime ()) {
u = ContentTime ();
}
avcodec_flush_buffers (video_codec_context());
}
- BOOST_FOREACH (shared_ptr<FFmpegAudioStream> i, ffmpeg_content()->ffmpeg_audio_streams()) {
+DCPOMATIC_DISABLE_WARNINGS
+ for (auto i: ffmpeg_content()->ffmpeg_audio_streams()) {
avcodec_flush_buffers (i->stream(_format_context)->codec);
}
+DCPOMATIC_ENABLE_WARNINGS
if (subtitle_codec_context ()) {
avcodec_flush_buffers (subtitle_codec_context ());
}
_have_current_subtitle = false;
-}
-void
-FFmpegDecoder::decode_audio_packet ()
-{
- /* Audio packets can contain multiple frames, so we may have to call avcodec_decode_audio4
- several times.
- */
+ for (auto& i: _next_time) {
+ i = optional<ContentTime>();
+ }
+}
- AVPacket copy_packet = _packet;
- int const stream_index = copy_packet.stream_index;
+shared_ptr<FFmpegAudioStream>
+FFmpegDecoder::audio_stream_from_index (int index) const
+{
/* XXX: inefficient */
- vector<shared_ptr<FFmpegAudioStream> > streams = ffmpeg_content()->ffmpeg_audio_streams ();
- vector<shared_ptr<FFmpegAudioStream> >::const_iterator stream = streams.begin ();
- while (stream != streams.end () && !(*stream)->uses_index (_format_context, stream_index)) {
+ auto streams = ffmpeg_content()->ffmpeg_audio_streams();
+ auto stream = streams.begin();
+ while (stream != streams.end() && !(*stream)->uses_index(_format_context, index)) {
++stream;
}
if (stream == streams.end ()) {
- /* The packet's stream may not be an audio one; just ignore it in this method if so */
+ return {};
+ }
+
+ return *stream;
+}
+
+
+void
+FFmpegDecoder::process_audio_frame (shared_ptr<FFmpegAudioStream> stream, int stream_index, int64_t packet_pts)
+{
+ auto data = deinterleave_audio (stream);
+
+ ContentTime ct;
+ if (_frame->pts == AV_NOPTS_VALUE) {
+ /* In some streams we see not every frame coming through with a timestamp; for those
+ that have AV_NOPTS_VALUE we need to work out the timestamp ourselves. This is
+ particularly noticeable with TrueHD streams (see #1111).
+ */
+ if (_next_time[stream_index]) {
+ ct = *_next_time[stream_index];
+ }
+ } else {
+ ct = ContentTime::from_seconds (
+ _frame->best_effort_timestamp *
+ av_q2d (stream->stream(_format_context)->time_base))
+ + _pts_offset;
+ }
+
+ _next_time[stream_index] = ct + ContentTime::from_frames(data->frames(), stream->frame_rate());
+
+ if (ct < ContentTime()) {
+ /* Discard audio data that comes before time 0 */
+ auto const remove = min (int64_t(data->frames()), (-ct).frames_ceil(double(stream->frame_rate())));
+ data->move (data->frames() - remove, remove, 0);
+ data->set_frames (data->frames() - remove);
+ ct += ContentTime::from_frames (remove, stream->frame_rate());
+ }
+
+ if (ct < ContentTime()) {
+ LOG_WARNING (
+ "Crazy timestamp %1 for %2 samples in stream %3 packet pts %4 (ts=%5 tb=%6, off=%7)",
+ to_string(ct),
+ data->frames(),
+ stream_index,
+ packet_pts,
+ _frame->best_effort_timestamp,
+ av_q2d(stream->stream(_format_context)->time_base),
+ to_string(_pts_offset)
+ );
+ }
+
+ /* Give this data provided there is some, and its time is sane */
+ if (ct >= ContentTime() && data->frames() > 0) {
+ audio->emit (film(), stream, data, ct);
+ }
+}
+
+
+void
+FFmpegDecoder::decode_audio_packet (AVPacket* packet)
+{
+ int const stream_index = packet->stream_index;
+ auto stream = audio_stream_from_index (stream_index);
+ if (!stream) {
return;
}
- while (copy_packet.size > 0) {
+ /* Audio packets can contain multiple frames, so we may have to call avcodec_decode_audio4
+ several times. Make a simple copy so we can alter data and size.
+ */
+ AVPacket copy_packet = *packet;
+ while (copy_packet.size > 0) {
int frame_finished;
- int decode_result = avcodec_decode_audio4 ((*stream)->stream (_format_context)->codec, _frame, &frame_finished, ©_packet);
+ DCPOMATIC_DISABLE_WARNINGS
+ int decode_result = avcodec_decode_audio4 (stream->stream(_format_context)->codec, _frame, &frame_finished, ©_packet);
+ DCPOMATIC_ENABLE_WARNINGS
if (decode_result < 0) {
/* avcodec_decode_audio4 can sometimes return an error even though it has decoded
some valid data; for example dca_subframe_footer can return AVERROR_INVALIDDATA
}
if (frame_finished) {
- shared_ptr<AudioBuffers> data = deinterleave_audio (*stream);
-
- ContentTime ct;
- if (_frame->pts == AV_NOPTS_VALUE && _next_time[stream_index]) {
- /* In some streams we see not every frame coming through with a timestamp; for those
- that have AV_NOPTS_VALUE we need to work out the timestamp ourselves. This is
- particularly noticeable with TrueHD streams (see #1111).
- */
- ct = *_next_time[stream_index];
- } else {
- ct = ContentTime::from_seconds (
- av_frame_get_best_effort_timestamp (_frame) *
- av_q2d ((*stream)->stream (_format_context)->time_base))
- + _pts_offset;
- }
-
- _next_time[stream_index] = ct + ContentTime::from_frames(data->frames(), (*stream)->frame_rate());
-
- if (ct < ContentTime ()) {
- /* Discard audio data that comes before time 0 */
- Frame const remove = min (int64_t (data->frames()), (-ct).frames_ceil(double((*stream)->frame_rate ())));
- data->move (data->frames() - remove, remove, 0);
- data->set_frames (data->frames() - remove);
- ct += ContentTime::from_frames (remove, (*stream)->frame_rate ());
- }
-
- if (ct < ContentTime()) {
- LOG_WARNING (
- "Crazy timestamp %1 for %2 samples in stream %3 packet pts %4 (ts=%5 tb=%6, off=%7)",
- to_string(ct),
- data->frames(),
- copy_packet.stream_index,
- copy_packet.pts,
- av_frame_get_best_effort_timestamp(_frame),
- av_q2d((*stream)->stream(_format_context)->time_base),
- to_string(_pts_offset)
- );
- }
-
- /* Give this data provided there is some, and its time is sane */
- if (ct >= ContentTime() && data->frames() > 0) {
- audio->emit (film(), *stream, data, ct);
- }
+ process_audio_frame (stream, stream_index, copy_packet.pts);
}
copy_packet.data += decode_result;
}
}
+
bool
-FFmpegDecoder::decode_video_packet ()
+FFmpegDecoder::decode_video_packet (AVPacket* packet)
{
DCPOMATIC_ASSERT (_video_stream);
int frame_finished;
- if (avcodec_decode_video2 (video_codec_context(), _frame, &frame_finished, &_packet) < 0 || !frame_finished) {
+DCPOMATIC_DISABLE_WARNINGS
+ if (avcodec_decode_video2 (video_codec_context(), _frame, &frame_finished, packet) < 0 || !frame_finished) {
return false;
}
+DCPOMATIC_ENABLE_WARNINGS
boost::mutex::scoped_lock lm (_filter_graphs_mutex);
shared_ptr<VideoFilterGraph> graph;
- list<shared_ptr<VideoFilterGraph> >::iterator i = _filter_graphs.begin();
+ auto i = _filter_graphs.begin();
while (i != _filter_graphs.end() && !(*i)->can_process (dcp::Size (_frame->width, _frame->height), (AVPixelFormat) _frame->format)) {
++i;
}
if (i == _filter_graphs.end ()) {
dcp::Fraction vfr (lrint(_ffmpeg_content->video_frame_rate().get() * 1000), 1000);
- graph.reset (new VideoFilterGraph (dcp::Size (_frame->width, _frame->height), (AVPixelFormat) _frame->format, vfr));
+ graph = make_shared<VideoFilterGraph>(dcp::Size (_frame->width, _frame->height), (AVPixelFormat) _frame->format, vfr);
graph->setup (_ffmpeg_content->filters ());
_filter_graphs.push_back (graph);
LOG_GENERAL (N_("New graph for %1x%2, pixel format %3"), _frame->width, _frame->height, _frame->format);
graph = *i;
}
- list<pair<shared_ptr<Image>, int64_t> > images = graph->process (_frame);
+ auto images = graph->process (_frame);
- for (list<pair<shared_ptr<Image>, int64_t> >::iterator i = images.begin(); i != images.end(); ++i) {
+ for (auto const& i: images) {
- shared_ptr<Image> image = i->first;
+ auto image = i.first;
- if (i->second != AV_NOPTS_VALUE) {
- double const pts = i->second * av_q2d (_format_context->streams[_video_stream.get()]->time_base) + _pts_offset.seconds ();
+ if (i.second != AV_NOPTS_VALUE) {
+ double const pts = i.second * av_q2d(_format_context->streams[_video_stream.get()]->time_base) + _pts_offset.seconds();
video->emit (
film(),
- shared_ptr<ImageProxy> (new RawImageProxy (image)),
+ make_shared<RawImageProxy>(image),
llrint(pts * _ffmpeg_content->active_video_frame_rate(film()))
);
} else {
return true;
}
+
void
-FFmpegDecoder::decode_subtitle_packet ()
+FFmpegDecoder::decode_subtitle_packet (AVPacket* packet)
{
int got_subtitle;
AVSubtitle sub;
- if (avcodec_decode_subtitle2 (subtitle_codec_context(), &sub, &got_subtitle, &_packet) < 0 || !got_subtitle) {
+ if (avcodec_decode_subtitle2 (subtitle_codec_context(), &sub, &got_subtitle, packet) < 0 || !got_subtitle) {
return;
}
/* Subtitle PTS (within the source, not taking into account any of the
source that we may have chopped off for the DCP).
*/
- FFmpegSubtitlePeriod sub_period = subtitle_period (sub);
+ auto sub_period = subtitle_period (sub);
ContentTime from;
from = sub_period.from + _pts_offset;
if (sub_period.to) {
}
for (unsigned int i = 0; i < sub.num_rects; ++i) {
- AVSubtitleRect const * rect = sub.rects[i];
+ auto const rect = sub.rects[i];
switch (rect->type) {
case SUBTITLE_NONE:
avsubtitle_free (&sub);
}
+
void
FFmpegDecoder::decode_bitmap_subtitle (AVSubtitleRect const * rect, ContentTime from)
{
/* Note BGRA is expressed little-endian, so the first byte in the word is B, second
G, third R, fourth A.
*/
- shared_ptr<Image> image (new Image (AV_PIX_FMT_BGRA, dcp::Size (rect->w, rect->h), true));
+ auto image = make_shared<Image>(AV_PIX_FMT_BGRA, dcp::Size (rect->w, rect->h), true);
#ifdef DCPOMATIC_HAVE_AVSUBTITLERECT_PICT
/* Start of the first line in the subtitle */
- uint8_t* sub_p = rect->pict.data[0];
- /* sub_p looks up into a BGRA palette which is here
+ auto sub_p = rect->pict.data[0];
+ /* sub_p looks up into a BGRA palette which is at rect->pict.data[1];
(i.e. first byte B, second G, third R, fourth A)
*/
- uint32_t const * palette = (uint32_t *) rect->pict.data[1];
+ auto const palette = rect->pict.data[1];
#else
/* Start of the first line in the subtitle */
- uint8_t* sub_p = rect->data[0];
+ auto sub_p = rect->data[0];
/* sub_p looks up into a BGRA palette which is at rect->data[1].
(first byte B, second G, third R, fourth A)
*/
+ auto const* palette = rect->data[1];
#endif
/* And the stream has a map of those palette colours to colours
chosen by the user; created a `mapped' palette from those settings.
*/
- map<RGBA, RGBA> colour_map = ffmpeg_content()->subtitle_stream()->colours ();
+ auto colour_map = ffmpeg_content()->subtitle_stream()->colours();
vector<RGBA> mapped_palette (rect->nb_colors);
- uint8_t const * palette = rect->data[1];
for (int i = 0; i < rect->nb_colors; ++i) {
RGBA c (palette[2], palette[1], palette[0], palette[3]);
- map<RGBA, RGBA>::const_iterator j = colour_map.find (c);
+ auto j = colour_map.find (c);
if (j != colour_map.end ()) {
mapped_palette[i] = j->second;
} else {
}
/* Start of the output data */
- uint8_t* out_p = image->data()[0];
+ auto out_p = image->data()[0];
for (int y = 0; y < rect->h; ++y) {
- uint8_t* sub_line_p = sub_p;
- uint8_t* out_line_p = out_p;
+ auto sub_line_p = sub_p;
+ auto out_line_p = out_p;
for (int x = 0; x < rect->w; ++x) {
- RGBA const p = mapped_palette[*sub_line_p++];
+ auto const p = mapped_palette[*sub_line_p++];
*out_line_p++ = p.b;
*out_line_p++ = p.g;
*out_line_p++ = p.r;
DCPOMATIC_ASSERT (target_width);
DCPOMATIC_ASSERT (target_height);
dcpomatic::Rect<double> const scaled_rect (
- static_cast<double> (rect->x) / target_width,
- static_cast<double> (rect->y) / target_height,
- static_cast<double> (rect->w) / target_width,
- static_cast<double> (rect->h) / target_height
+ static_cast<double>(rect->x) / target_width,
+ static_cast<double>(rect->y) / target_height,
+ static_cast<double>(rect->w) / target_width,
+ static_cast<double>(rect->h) / target_height
);
only_text()->emit_bitmap_start (from, image, scaled_rect);
}
+
void
FFmpegDecoder::decode_ass_subtitle (string ass, ContentTime from)
{
}
sub::RawSubtitle base;
- list<sub::RawSubtitle> raw = sub::SSAReader::parse_line (
+ auto raw = sub::SSAReader::parse_line (
base,
text,
_ffmpeg_content->video->size().width,
_ffmpeg_content->video->size().height
);
- BOOST_FOREACH (sub::Subtitle const & i, sub::collect<list<sub::Subtitle> > (raw)) {
+ for (auto const& i: sub::collect<vector<sub::Subtitle>>(raw)) {
only_text()->emit_plain_start (from, i);
}
}
projects / dcpomatic.git / blobdiff