/*
- Copyright (C) 2017-2018 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2017-2021 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
*/
+
+#include "compose.hpp"
+#include "cross.h"
#include "ffmpeg_encoder.h"
+#include "ffmpeg_wrapper.h"
#include "film.h"
+#include "image.h"
#include "job.h"
+#include "log.h"
#include "player.h"
#include "player_video.h"
-#include "log.h"
-#include "image.h"
-#include "cross.h"
-#include "compose.hpp"
+extern "C" {
+#include <libavutil/channel_layout.h>
+}
#include <iostream>
#include "i18n.h"
-using std::string;
-using std::runtime_error;
+
using std::cout;
-using std::pair;
+using std::make_shared;
using std::shared_ptr;
+using std::string;
using boost::bind;
-using std::weak_ptr;
-using boost::optional;
using namespace dcpomatic;
#if BOOST_VERSION >= 106100
using namespace boost::placeholders;
#endif
+
int FFmpegFileEncoder::_video_stream_index = 0;
int FFmpegFileEncoder::_audio_stream_index_base = 1;
-class ExportAudioStream : public boost::noncopyable
+class ExportAudioStream
{
public:
ExportAudioStream (string codec_name, int channels, int frame_rate, AVSampleFormat sample_format, AVFormatContext* format_context, int stream_index)
{
_codec = avcodec_find_encoder_by_name (codec_name.c_str());
if (!_codec) {
- throw runtime_error (String::compose("could not find FFmpeg encoder %1", codec_name));
+ throw EncodeError (String::compose("avcodec_find_encoder_by_name failed for %1", codec_name));
}
_codec_context = avcodec_alloc_context3 (_codec);
if (!_codec_context) {
- throw runtime_error ("could not allocate FFmpeg audio context");
+ throw std::bad_alloc ();
}
- avcodec_get_context_defaults3 (_codec_context, _codec);
-
/* XXX: configurable */
_codec_context->bit_rate = channels * 128 * 1024;
_codec_context->sample_fmt = sample_format;
_codec_context->channel_layout = av_get_default_channel_layout (channels);
_codec_context->channels = channels;
+ int r = avcodec_open2 (_codec_context, _codec, 0);
+ if (r < 0) {
+ throw EncodeError (N_("avcodec_open2"), N_("ExportAudioStream::ExportAudioStream"), r);
+ }
+
_stream = avformat_new_stream (format_context, _codec);
if (!_stream) {
- throw runtime_error ("could not create FFmpeg output audio stream");
+ throw EncodeError (N_("avformat_new_stream"), N_("ExportAudioStream::ExportAudioStream"));
}
_stream->id = stream_index;
_stream->disposition |= AV_DISPOSITION_DEFAULT;
-DCPOMATIC_DISABLE_WARNINGS
- _stream->codec = _codec_context;
-DCPOMATIC_ENABLE_WARNINGS
-
- int r = avcodec_open2 (_codec_context, _codec, 0);
+ r = avcodec_parameters_from_context (_stream->codecpar, _codec_context);
if (r < 0) {
- char buffer[256];
- av_strerror (r, buffer, sizeof(buffer));
- throw runtime_error (String::compose("could not open FFmpeg audio codec (%1)", buffer));
+ throw EncodeError (N_("avcodec_parameters_from_context"), N_("ExportAudioStream::ExportAudioStream"), r);
}
}
avcodec_close (_codec_context);
}
+ ExportAudioStream (ExportAudioStream const&) = delete;
+ ExportAudioStream& operator= (ExportAudioStream const&) = delete;
+
int frame_size () const {
return _codec_context->frame_size;
}
bool flush ()
{
- AVPacket packet;
- av_init_packet (&packet);
- packet.data = 0;
- packet.size = 0;
- bool flushed = false;
-
- int got_packet;
-DCPOMATIC_DISABLE_WARNINGS
- avcodec_encode_audio2 (_codec_context, &packet, 0, &got_packet);
-DCPOMATIC_ENABLE_WARNINGS
- if (got_packet) {
- packet.stream_index = 0;
- av_interleaved_write_frame (_format_context, &packet);
- } else {
- flushed = true;
+ int r = avcodec_send_frame (_codec_context, nullptr);
+ if (r < 0 && r != AVERROR_EOF) {
+ /* We get EOF if we've already flushed the stream once */
+ throw EncodeError (N_("avcodec_send_frame"), N_("ExportAudioStream::flush"), r);
}
- av_packet_unref (&packet);
- return flushed;
+
+ ffmpeg::Packet packet;
+ r = avcodec_receive_packet (_codec_context, packet.get());
+ if (r == AVERROR_EOF) {
+ return true;
+ } else if (r < 0) {
+ throw EncodeError (N_("avcodec_receive_packet"), N_("ExportAudioStream::flush"), r);
+ }
+
+ packet->stream_index = _stream_index;
+ av_interleaved_write_frame (_format_context, packet.get());
+ return false;
}
- void write (int size, int channel_offset, int channels, float** data, int64_t sample_offset)
+ void write (int size, int channel_offset, int channels, float* const* data, int64_t sample_offset)
{
DCPOMATIC_ASSERT (size);
- AVFrame* frame = av_frame_alloc ();
+ auto frame = av_frame_alloc ();
DCPOMATIC_ASSERT (frame);
- int const buffer_size = av_samples_get_buffer_size (0, channels, size, _codec_context->sample_fmt, 0);
+ int line_size;
+ int const buffer_size = av_samples_get_buffer_size (&line_size, channels, size, _codec_context->sample_fmt, 0);
DCPOMATIC_ASSERT (buffer_size >= 0);
- void* samples = av_malloc (buffer_size);
+ auto samples = av_malloc (buffer_size);
DCPOMATIC_ASSERT (samples);
frame->nb_samples = size;
+ frame->format = _codec_context->sample_fmt;
+ frame->channels = channels;
int r = avcodec_fill_audio_frame (frame, channels, _codec_context->sample_fmt, (const uint8_t *) samples, buffer_size, 0);
DCPOMATIC_ASSERT (r >= 0);
}
case AV_SAMPLE_FMT_FLTP:
{
- float* q = reinterpret_cast<float*> (samples);
for (int i = 0; i < channels; ++i) {
- memcpy (q, data[i + channel_offset], sizeof(float) * size);
- q += size;
+ memcpy (reinterpret_cast<float*>(static_cast<uint8_t*>(samples) + i * line_size), data[i + channel_offset], sizeof(float) * size);
}
break;
}
DCPOMATIC_ASSERT (_codec_context->time_base.num == 1);
frame->pts = sample_offset * _codec_context->time_base.den / _codec_context->sample_rate;
- AVPacket packet;
- av_init_packet (&packet);
- packet.data = 0;
- packet.size = 0;
- int got_packet;
-
- DCPOMATIC_DISABLE_WARNINGS
- if (avcodec_encode_audio2 (_codec_context, &packet, frame, &got_packet) < 0) {
- throw EncodeError ("FFmpeg audio encode failed");
+ r = avcodec_send_frame (_codec_context, frame);
+ av_free (samples);
+ av_frame_free (&frame);
+ if (r < 0) {
+ throw EncodeError (N_("avcodec_send_frame"), N_("ExportAudioStream::write"), r);
}
- DCPOMATIC_ENABLE_WARNINGS
- if (got_packet && packet.size) {
- packet.stream_index = _stream_index;
- av_interleaved_write_frame (_format_context, &packet);
- av_packet_unref (&packet);
+ ffmpeg::Packet packet;
+ r = avcodec_receive_packet (_codec_context, packet.get());
+ if (r < 0 && r != AVERROR(EAGAIN)) {
+ throw EncodeError (N_("avcodec_receive_packet"), N_("ExportAudioStream::write"), r);
+ } else if (r >= 0) {
+ packet->stream_index = _stream_index;
+ av_interleaved_write_frame (_format_context, packet.get());
}
-
- av_free (samples);
- av_frame_free (&frame);
}
private:
AVFormatContext* _format_context;
- AVCodec* _codec;
+ AVCodec const * _codec;
AVCodecContext* _codec_context;
AVStream* _stream;
int _stream_index;
boost::filesystem::path output
)
: _audio_stream_per_channel (audio_stream_per_channel)
- , _video_options (0)
, _audio_channels (channels)
, _output (output)
, _video_frame_size (video_frame_size)
, _video_frame_rate (video_frame_rate)
, _audio_frame_rate (audio_frame_rate)
- , _audio_frames (0)
{
_pixel_format = pixel_format (format);
switch (format) {
- case EXPORT_FORMAT_PRORES:
+ case ExportFormat::PRORES_HQ:
_sample_format = AV_SAMPLE_FMT_S16;
_video_codec_name = "prores_ks";
_audio_codec_name = "pcm_s16le";
av_dict_set (&_video_options, "profile", "3", 0);
av_dict_set (&_video_options, "threads", "auto", 0);
break;
- case EXPORT_FORMAT_H264_AAC:
+ case ExportFormat::H264_AAC:
_sample_format = AV_SAMPLE_FMT_FLTP;
_video_codec_name = "libx264";
_audio_codec_name = "aac";
av_dict_set_int (&_video_options, "crf", x264_crf, 0);
break;
- case EXPORT_FORMAT_H264_PCM:
- _sample_format = AV_SAMPLE_FMT_S32;
- _video_codec_name = "libx264";
- _audio_codec_name = "pcm_s24le";
- av_dict_set_int (&_video_options, "crf", x264_crf, 0);
- break;
default:
DCPOMATIC_ASSERT (false);
}
int r = avformat_alloc_output_context2 (&_format_context, 0, 0, _output.string().c_str());
if (!_format_context) {
- throw runtime_error (String::compose("could not allocate FFmpeg format context (%1)", r));
+ throw EncodeError (N_("avformat_alloc_output_context2"), "FFmpegFileEncoder::FFmpegFileEncoder", r);
}
setup_video ();
r = avio_open_boost (&_format_context->pb, _output, AVIO_FLAG_WRITE);
if (r < 0) {
- throw runtime_error (String::compose("could not open FFmpeg output file %1 (%2)", _output.string(), r));
+ throw EncodeError (String::compose(_("Could not open output file %1 (%2)"), _output.string(), r));
}
- AVDictionary* options = 0;
+ AVDictionary* options = nullptr;
- if (avformat_write_header (_format_context, &options) < 0) {
- throw runtime_error ("could not write header to FFmpeg output file");
+ r = avformat_write_header (_format_context, &options);
+ if (r < 0) {
+ throw EncodeError (N_("avformat_write_header"), N_("FFmpegFileEncoder::FFmpegFileEncoder"), r);
}
- _pending_audio.reset (new AudioBuffers(channels, 0));
+ _pending_audio = make_shared<AudioBuffers>(channels, 0);
}
FFmpegFileEncoder::pixel_format (ExportFormat format)
{
switch (format) {
- case EXPORT_FORMAT_PRORES:
+ case ExportFormat::PRORES_HQ:
return AV_PIX_FMT_YUV422P10;
- case EXPORT_FORMAT_H264_AAC:
- case EXPORT_FORMAT_H264_PCM:
+ case ExportFormat::H264_AAC:
return AV_PIX_FMT_YUV420P;
default:
DCPOMATIC_ASSERT (false);
return AV_PIX_FMT_YUV422P10;
}
+
void
FFmpegFileEncoder::setup_video ()
{
_video_codec = avcodec_find_encoder_by_name (_video_codec_name.c_str());
if (!_video_codec) {
- throw runtime_error (String::compose ("could not find FFmpeg encoder %1", _video_codec_name));
+ throw EncodeError (String::compose("avcodec_find_encoder_by_name failed for %1", _video_codec_name));
}
_video_codec_context = avcodec_alloc_context3 (_video_codec);
if (!_video_codec_context) {
- throw runtime_error ("could not allocate FFmpeg video context");
+ throw std::bad_alloc ();
}
- avcodec_get_context_defaults3 (_video_codec_context, _video_codec);
-
/* Variable quantisation */
_video_codec_context->global_quality = 0;
_video_codec_context->width = _video_frame_size.width;
_video_codec_context->pix_fmt = _pixel_format;
_video_codec_context->flags |= AV_CODEC_FLAG_QSCALE | AV_CODEC_FLAG_GLOBAL_HEADER;
+ if (avcodec_open2 (_video_codec_context, _video_codec, &_video_options) < 0) {
+ throw EncodeError (N_("avcodec_open"), N_("FFmpegFileEncoder::setup_video"));
+ }
+
_video_stream = avformat_new_stream (_format_context, _video_codec);
if (!_video_stream) {
- throw runtime_error ("could not create FFmpeg output video stream");
+ throw EncodeError (N_("avformat_new_stream"), N_("FFmpegFileEncoder::setup_video"));
}
-DCPOMATIC_DISABLE_WARNINGS
_video_stream->id = _video_stream_index;
- _video_stream->codec = _video_codec_context;
-DCPOMATIC_ENABLE_WARNINGS
-
- if (avcodec_open2 (_video_codec_context, _video_codec, &_video_options) < 0) {
- throw runtime_error ("could not open FFmpeg video codec");
+ int r = avcodec_parameters_from_context (_video_stream->codecpar, _video_codec_context);
+ if (r < 0) {
+ throw EncodeError (N_("avcodec_parameters_from_context"), N_("FFmpegFileEncoder::setup_video"), r);
}
}
for (int i = 0; i < streams; ++i) {
_audio_streams.push_back(
- shared_ptr<ExportAudioStream>(
- new ExportAudioStream(_audio_codec_name, channels_per_stream, _audio_frame_rate, _sample_format, _format_context, _audio_stream_index_base + i)
+ make_shared<ExportAudioStream>(
+ _audio_codec_name, channels_per_stream, _audio_frame_rate, _sample_format, _format_context, _audio_stream_index_base + i
)
);
}
bool flushed_audio = false;
while (!flushed_video || !flushed_audio) {
- AVPacket packet;
- av_init_packet (&packet);
- packet.data = 0;
- packet.size = 0;
-
- int got_packet;
-DCPOMATIC_DISABLE_WARNINGS
- avcodec_encode_video2 (_video_codec_context, &packet, 0, &got_packet);
-DCPOMATIC_ENABLE_WARNINGS
- if (got_packet) {
- packet.stream_index = 0;
- av_interleaved_write_frame (_format_context, &packet);
- } else {
+ int r = avcodec_send_frame (_video_codec_context, nullptr);
+ if (r < 0 && r != AVERROR_EOF) {
+ /* We get EOF if we've already flushed the stream once */
+ throw EncodeError (N_("avcodec_send_frame"), N_("FFmpegFileEncoder::flush"), r);
+ }
+
+ ffmpeg::Packet packet;
+ r = avcodec_receive_packet (_video_codec_context, packet.get());
+ if (r == AVERROR_EOF) {
flushed_video = true;
+ } else if (r < 0) {
+ throw EncodeError (N_("avcodec_receive_packet"), N_("FFmpegFileEncoder::flush"), r);
+ } else {
+ packet->stream_index = _video_stream_index;
+ av_interleaved_write_frame (_format_context, packet.get());
}
- av_packet_unref (&packet);
flushed_audio = true;
for (auto i: _audio_streams) {
av_write_trailer (_format_context);
}
+
void
FFmpegFileEncoder::video (shared_ptr<PlayerVideo> video, DCPTime time)
{
/* All our output formats are video range at the moment */
- shared_ptr<Image> image = video->image (
- bind (&PlayerVideo::force, _1, _pixel_format),
- VIDEO_RANGE_VIDEO,
- true,
+ auto image = video->image (
+ bind (&PlayerVideo::force, _pixel_format),
+ VideoRange::VIDEO,
false
);
- AVFrame* frame = av_frame_alloc ();
+ auto frame = av_frame_alloc ();
DCPOMATIC_ASSERT (frame);
{
}
for (int i = 0; i < 3; ++i) {
- AVBufferRef* buffer = av_buffer_create(image->data()[i], image->stride()[i] * image->size().height, &buffer_free, this, 0);
+ auto buffer = av_buffer_create(image->data()[i], image->stride()[i] * image->size().height, &buffer_free, this, 0);
frame->buf[i] = av_buffer_ref (buffer);
frame->data[i] = buffer->data;
frame->linesize[i] = image->stride()[i];
DCPOMATIC_ASSERT (_video_stream->time_base.num == 1);
frame->pts = time.get() * _video_stream->time_base.den / DCPTime::HZ;
- AVPacket packet;
- av_init_packet (&packet);
- packet.data = 0;
- packet.size = 0;
-
- int got_packet;
-DCPOMATIC_DISABLE_WARNINGS
- if (avcodec_encode_video2 (_video_codec_context, &packet, frame, &got_packet) < 0) {
- throw EncodeError ("FFmpeg video encode failed");
+ int r = avcodec_send_frame (_video_codec_context, frame);
+ av_frame_free (&frame);
+ if (r < 0) {
+ throw EncodeError (N_("avcodec_send_frame"), N_("FFmpegFileEncoder::video"), r);
}
-DCPOMATIC_ENABLE_WARNINGS
- if (got_packet && packet.size) {
- packet.stream_index = _video_stream_index;
- av_interleaved_write_frame (_format_context, &packet);
- av_packet_unref (&packet);
+ ffmpeg::Packet packet;
+ r = avcodec_receive_packet (_video_codec_context, packet.get());
+ if (r < 0 && r != AVERROR(EAGAIN)) {
+ throw EncodeError (N_("avcodec_receive_packet"), N_("FFmpegFileEncoder::video"), r);
+ } else if (r >= 0) {
+ packet->stream_index = _video_stream_index;
+ av_interleaved_write_frame (_format_context, packet.get());
}
-
- av_frame_free (&frame);
-
}
+
/** Called when the player gives us some audio */
void
FFmpegFileEncoder::audio (shared_ptr<AudioBuffers> audio)
}
}
+
void
FFmpegFileEncoder::audio_frame (int size)
{
_audio_frames += size;
}
+
void
FFmpegFileEncoder::subtitle (PlayerText, DCPTimePeriod)
{
}
+
void
FFmpegFileEncoder::buffer_free (void* opaque, uint8_t* data)
{
reinterpret_cast<FFmpegFileEncoder*>(opaque)->buffer_free2(data);
}
+
void
FFmpegFileEncoder::buffer_free2 (uint8_t* data)
{
projects / dcpomatic.git / blobdiff