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authorCarl Hetherington <cth@carlh.net>2017-05-10 11:54:19 +0100
committerCarl Hetherington <cth@carlh.net>2017-05-10 11:54:19 +0100
commitd8ea1796f34ff894b148a0af78c0a547e0496ee1 (patch)
tree2a3177217dee39c1a4dbe795c21369236e7a5533 /src/lib/ffmpeg_transcoder.cc
parent7f40b703e8a83f07a1c8bffb45cd40ebcc238418 (diff)
Rename some classes.
Diffstat (limited to 'src/lib/ffmpeg_transcoder.cc')
-rw-r--r--src/lib/ffmpeg_transcoder.cc231
1 files changed, 0 insertions, 231 deletions
diff --git a/src/lib/ffmpeg_transcoder.cc b/src/lib/ffmpeg_transcoder.cc
deleted file mode 100644
index 5bd0a1747..000000000
--- a/src/lib/ffmpeg_transcoder.cc
+++ /dev/null
@@ -1,231 +0,0 @@
-/*
- Copyright (C) 2017 Carl Hetherington <cth@carlh.net>
-
- This file is part of DCP-o-matic.
-
- DCP-o-matic is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- DCP-o-matic is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
-
-*/
-
-#include "ffmpeg_transcoder.h"
-#include "film.h"
-#include "job.h"
-#include "player.h"
-#include "player_video.h"
-#include "log.h"
-#include "image.h"
-#include "compose.hpp"
-#include <iostream>
-
-#include "i18n.h"
-
-using std::string;
-using std::runtime_error;
-using std::cout;
-using boost::shared_ptr;
-using boost::bind;
-using boost::weak_ptr;
-
-static AVPixelFormat
-force_pixel_format (AVPixelFormat, AVPixelFormat out)
-{
- return out;
-}
-
-FFmpegTranscoder::FFmpegTranscoder (shared_ptr<const Film> film, weak_ptr<Job> job, boost::filesystem::path output, Format format)
- : Transcoder (film, job)
- , _history (1000)
- , _output (output)
-{
- switch (format) {
- case FORMAT_PRORES:
- _pixel_format = AV_PIX_FMT_YUV422P10;
- _codec_name = "prores_ks";
- break;
- case FORMAT_H264:
- _pixel_format = AV_PIX_FMT_YUV420P;
- _codec_name = "libx264";
- break;
- }
-}
-
-void
-FFmpegTranscoder::go ()
-{
- AVCodec* 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));
- }
-
- _codec_context = avcodec_alloc_context3 (codec);
- if (!_codec_context) {
- throw runtime_error ("could not allocate FFmpeg context");
- }
-
- avcodec_get_context_defaults3 (_codec_context, codec);
-
- /* Variable quantisation */
- _codec_context->global_quality = 0;
- _codec_context->width = _film->frame_size().width;
- _codec_context->height = _film->frame_size().height;
- _codec_context->time_base = (AVRational) { 1, _film->video_frame_rate() };
- _codec_context->pix_fmt = _pixel_format;
- _codec_context->flags |= CODEC_FLAG_QSCALE | CODEC_FLAG_GLOBAL_HEADER;
-
- avformat_alloc_output_context2 (&_format_context, 0, 0, _output.string().c_str());
- if (!_format_context) {
- throw runtime_error ("could not allocate FFmpeg format context");
- }
-
- _video_stream = avformat_new_stream (_format_context, codec);
- if (!_video_stream) {
- throw runtime_error ("could not create FFmpeg output video stream");
- }
-
- /* Note: needs to increment with each stream */
- _video_stream->id = 0;
- _video_stream->codec = _codec_context;
-
- AVDictionary* options = 0;
- av_dict_set (&options, "profile", "3", 0);
- av_dict_set (&options, "threads", "auto", 0);
-
- if (avcodec_open2 (_codec_context, codec, &options) < 0) {
- throw runtime_error ("could not open FFmpeg codec");
- }
-
- if (avio_open (&_format_context->pb, _output.c_str(), AVIO_FLAG_WRITE) < 0) {
- throw runtime_error ("could not open FFmpeg output file");
- }
-
- if (avformat_write_header (_format_context, &options) < 0) {
- throw runtime_error ("could not write header to FFmpeg output file");
- }
-
- {
- shared_ptr<Job> job = _job.lock ();
- DCPOMATIC_ASSERT (job);
- job->sub (_("Encoding"));
- }
-
- while (!_player->pass ()) {}
-
- while (true) {
- AVPacket packet;
- av_init_packet (&packet);
- packet.data = 0;
- packet.size = 0;
-
- int got_packet;
- avcodec_encode_video2 (_codec_context, &packet, 0, &got_packet);
- if (!got_packet) {
- break;
- }
-
- packet.stream_index = 0;
- av_interleaved_write_frame (_format_context, &packet);
- av_packet_unref (&packet);
- }
-
- av_write_trailer (_format_context);
-
- avcodec_close (_codec_context);
- avio_close (_format_context->pb);
- avformat_free_context (_format_context);
-}
-
-void
-FFmpegTranscoder::video (shared_ptr<PlayerVideo> video, DCPTime time)
-{
- shared_ptr<Image> image = video->image (
- bind (&Log::dcp_log, _film->log().get(), _1, _2),
- bind (&force_pixel_format, _1, _pixel_format),
- true,
- false
- );
-
- AVFrame* frame = av_frame_alloc ();
-
- for (int i = 0; i < 3; ++i) {
- size_t const size = image->stride()[i] * image->size().height;
- AVBufferRef* buffer = av_buffer_alloc (size);
- /* XXX: inefficient */
- memcpy (buffer->data, image->data()[i], size);
- frame->buf[i] = av_buffer_ref (buffer);
- frame->data[i] = buffer->data;
- frame->linesize[i] = image->stride()[i];
- av_buffer_unref (&buffer);
- }
-
- frame->width = image->size().width;
- frame->height = image->size().height;
- frame->format = _pixel_format;
- frame->pts = time.seconds() / av_q2d (_video_stream->time_base);
-
- AVPacket packet;
- av_init_packet (&packet);
- packet.data = 0;
- packet.size = 0;
-
- int got_packet;
- if (avcodec_encode_video2 (_codec_context, &packet, frame, &got_packet) < 0) {
- throw EncodeError ("FFmpeg video encode failed");
- }
-
- if (got_packet && packet.size) {
- /* XXX: this should not be hard-wired */
- packet.stream_index = 0;
- av_interleaved_write_frame (_format_context, &packet);
- av_packet_unref (&packet);
- }
-
- av_frame_free (&frame);
-
- _history.event ();
-
- {
- boost::mutex::scoped_lock lm (_mutex);
- _last_time = time;
- }
-
- shared_ptr<Job> job = _job.lock ();
- if (job) {
- job->set_progress (float(time.get()) / _film->length().get());
- }
-}
-
-void
-FFmpegTranscoder::audio (shared_ptr<AudioBuffers> audio, DCPTime time)
-{
-
-}
-
-void
-FFmpegTranscoder::subtitle (PlayerSubtitles subs, DCPTimePeriod period)
-{
-
-}
-
-float
-FFmpegTranscoder::current_rate () const
-{
- return _history.rate ();
-}
-
-Frame
-FFmpegTranscoder::frames_done () const
-{
- boost::mutex::scoped_lock lm (_mutex);
- return _last_time.frames_round (_film->video_frame_rate ());
-}