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core/dumping: Allow format/encoder selection+configuration

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The ParamPackage got modified so that we can use range-based for on it
This commit is contained in:
zhupengfei 2020-01-29 14:54:39 +08:00
parent 3c6765e87c
commit 016f8be0b8
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GPG key ID: DD129E108BD09378
8 changed files with 86 additions and 32 deletions
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63
src/core/dumping/ffmpeg_backend.cpp
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@ -5,7 +5,9 @@
#include "common/assert.h"
#include "common/file_util.h"
#include "common/logging/log.h"
#include "common/param_package.h"
#include "core/dumping/ffmpeg_backend.h"
#include "core/settings.h"
#include "video_core/renderer_base.h"
#include "video_core/video_core.h"
@ -27,6 +29,15 @@ void InitializeFFmpegLibraries() {
initialized = true;
}
AVDictionary* ToAVDictionary(const std::string& serialized) {
Common::ParamPackage param_package{serialized};
AVDictionary* result = nullptr;
for (const auto& [key, value] : param_package) {
av_dict_set(&result, key.c_str(), value.c_str(), 0);
}
return result;
}
FFmpegStream::~FFmpegStream() {
Free();
}
@ -100,9 +111,7 @@ bool FFmpegVideoStream::Init(AVFormatContext* format_context, AVOutputFormat* ou
frame_count = 0;
// Initialize video codec
// Ensure VP9 codec here, also to avoid patent issues
constexpr AVCodecID codec_id = AV_CODEC_ID_VP9;
const AVCodec* codec = avcodec_find_encoder(codec_id);
const AVCodec* codec = avcodec_find_encoder_by_name(Settings::values.video_encoder.c_str());
codec_context.reset(avcodec_alloc_context3(codec));
if (!codec || !codec_context) {
LOG_ERROR(Render, "Could not find video encoder or allocate video codec context");
@ -111,23 +120,28 @@ bool FFmpegVideoStream::Init(AVFormatContext* format_context, AVOutputFormat* ou
// Configure video codec context
codec_context->codec_type = AVMEDIA_TYPE_VIDEO;
codec_context->bit_rate = 2500000;
codec_context->bit_rate = Settings::values.video_bitrate;
codec_context->width = layout.width;
codec_context->height = layout.height;
codec_context->time_base.num = 1;
codec_context->time_base.den = 60;
codec_context->gop_size = 12;
codec_context->pix_fmt = AV_PIX_FMT_YUV420P;
codec_context->thread_count = 8;
if (output_format->flags & AVFMT_GLOBALHEADER)
codec_context->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
av_opt_set_int(codec_context.get(), "cpu-used", 5, 0);
if (avcodec_open2(codec_context.get(), codec, nullptr) < 0) {
AVDictionary* options = ToAVDictionary(Settings::values.video_encoder_options);
if (avcodec_open2(codec_context.get(), codec, &options) < 0) {
LOG_ERROR(Render, "Could not open video codec");
return false;
}
if (av_dict_count(options) != 0) { // Successfully set options are removed from the dict
char* buf = nullptr;
av_dict_get_string(options, &buf, ':', ';');
LOG_WARNING(Render, "Video encoder options not found: {}", buf);
}
// Create video stream
stream = avformat_new_stream(format_context, codec);
if (!stream || avcodec_parameters_from_context(stream->codecpar, codec_context.get()) < 0) {
@ -200,8 +214,7 @@ bool FFmpegAudioStream::Init(AVFormatContext* format_context) {
sample_count = 0;
// Initialize audio codec
constexpr AVCodecID codec_id = AV_CODEC_ID_VORBIS;
const AVCodec* codec = avcodec_find_encoder(codec_id);
const AVCodec* codec = avcodec_find_encoder_by_name(Settings::values.audio_encoder.c_str());
codec_context.reset(avcodec_alloc_context3(codec));
if (!codec || !codec_context) {
LOG_ERROR(Render, "Could not find audio encoder or allocate audio codec context");
@ -210,17 +223,24 @@ bool FFmpegAudioStream::Init(AVFormatContext* format_context) {
// Configure audio codec context
codec_context->codec_type = AVMEDIA_TYPE_AUDIO;
codec_context->bit_rate = 64000;
codec_context->bit_rate = Settings::values.audio_bitrate;
codec_context->sample_fmt = codec->sample_fmts[0];
codec_context->sample_rate = AudioCore::native_sample_rate;
codec_context->channel_layout = AV_CH_LAYOUT_STEREO;
codec_context->channels = 2;
if (avcodec_open2(codec_context.get(), codec, nullptr) < 0) {
AVDictionary* options = ToAVDictionary(Settings::values.audio_encoder_options);
if (avcodec_open2(codec_context.get(), codec, &options) < 0) {
LOG_ERROR(Render, "Could not open audio codec");
return false;
}
if (av_dict_count(options) != 0) { // Successfully set options are removed from the dict
char* buf = nullptr;
av_dict_get_string(options, &buf, ':', ';');
LOG_WARNING(Render, "Audio encoder options not found: {}", buf);
}
// Create audio stream
stream = avformat_new_stream(format_context, codec);
if (!stream || avcodec_parameters_from_context(stream->codecpar, codec_context.get()) < 0) {
@ -305,8 +325,7 @@ FFmpegMuxer::~FFmpegMuxer() {
Free();
}
bool FFmpegMuxer::Init(const std::string& path, const std::string& format,
const Layout::FramebufferLayout& layout) {
bool FFmpegMuxer::Init(const std::string& path, const Layout::FramebufferLayout& layout) {
InitializeFFmpegLibraries();
@ -315,9 +334,8 @@ bool FFmpegMuxer::Init(const std::string& path, const std::string& format,
}
// Get output format
// Ensure webm here to avoid patent issues
ASSERT_MSG(format == "webm", "Only webm is allowed for frame dumping");
auto* output_format = av_guess_format(format.c_str(), path.c_str(), "video/webm");
const auto format = Settings::values.output_format;
auto* output_format = av_guess_format(format.c_str(), path.c_str(), nullptr);
if (!output_format) {
LOG_ERROR(Render, "Could not get format {}", format);
return false;
@ -338,13 +356,19 @@ bool FFmpegMuxer::Init(const std::string& path, const std::string& format,
if (!audio_stream.Init(format_context.get()))
return false;
AVDictionary* options = ToAVDictionary(Settings::values.format_options);
// Open video file
if (avio_open(&format_context->pb, path.c_str(), AVIO_FLAG_WRITE) < 0 ||
avformat_write_header(format_context.get(), nullptr)) {
avformat_write_header(format_context.get(), &options)) {
LOG_ERROR(Render, "Could not open {}", path);
return false;
}
if (av_dict_count(options) != 0) { // Successfully set options are removed from the dict
char* buf = nullptr;
av_dict_get_string(options, &buf, ':', ';');
LOG_WARNING(Render, "Format options not found: {}", buf);
}
LOG_INFO(Render, "Dumping frames to {} ({}x{})", path, layout.width, layout.height);
return true;
@ -392,12 +416,11 @@ FFmpegBackend::~FFmpegBackend() {
ffmpeg.Free();
}
bool FFmpegBackend::StartDumping(const std::string& path, const std::string& format,
const Layout::FramebufferLayout& layout) {
bool FFmpegBackend::StartDumping(const std::string& path, const Layout::FramebufferLayout& layout) {
InitializeFFmpegLibraries();
if (!ffmpeg.Init(path, format, layout)) {
if (!ffmpeg.Init(path, layout)) {
ffmpeg.Free();
return false;
}