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AVIDump: cleanup

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This commit is contained in:
Tillmann Karras
2014-06-15 05:29:05 +02:00
parent 10e746ada5
commit e3fef8c990
2 changed files with 92 additions and 90 deletions
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156
Source/Core/VideoCommon/AVIDump.cpp
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@ -215,14 +215,15 @@ extern "C" {
#include <libavutil/mathematics.h> #include <libavutil/mathematics.h>
} }
AVFormatContext *s_FormatContext = nullptr; static AVFormatContext* s_format_context = nullptr;
AVStream *s_Stream = nullptr; static AVStream* s_stream = nullptr;
AVFrame *s_BGRFrame = nullptr, *s_YUVFrame = nullptr; static AVFrame* s_bgr_frame = nullptr;
uint8_t *s_YUVBuffer = nullptr; static AVFrame* s_yuv_frame = nullptr;
uint8_t *s_OutBuffer = nullptr; static uint8_t* s_yuv_buffer = nullptr;
int s_width; static uint8_t* s_out_buffer = nullptr;
int s_height; static int s_width;
int s_size; static int s_height;
static int s_size;
static void InitAVCodec() static void InitAVCodec()
{ {
@ -240,143 +241,144 @@ bool AVIDump::Start(int w, int h)
s_height = h; s_height = h;
InitAVCodec(); InitAVCodec();
return CreateFile(); bool success = CreateFile();
if (!success)
CloseFile();
return success;
} }
bool AVIDump::CreateFile() bool AVIDump::CreateFile()
{ {
AVCodec* codec = nullptr; AVCodec* codec = nullptr;
s_FormatContext = avformat_alloc_context(); s_format_context = avformat_alloc_context();
snprintf(s_FormatContext->filename, sizeof(s_FormatContext->filename), "%s", snprintf(s_format_context->filename, sizeof(s_format_context->filename), "%s",
(File::GetUserPath(D_DUMPFRAMES_IDX) + "framedump0.avi").c_str()); (File::GetUserPath(D_DUMPFRAMES_IDX) + "framedump0.avi").c_str());
File::CreateFullPath(s_FormatContext->filename); File::CreateFullPath(s_format_context->filename);
if (!(s_FormatContext->oformat = av_guess_format("avi", nullptr, nullptr)) || if (!(s_format_context->oformat = av_guess_format("avi", nullptr, nullptr)) ||
!(s_Stream = avformat_new_stream(s_FormatContext, codec))) !(s_stream = avformat_new_stream(s_format_context, codec)))
{ {
CloseFile();
return false; return false;
} }
s_Stream->codec->codec_id = s_stream->codec->codec_id = g_Config.bUseFFV1 ? CODEC_ID_FFV1 : s_format_context->oformat->video_codec;
g_Config.bUseFFV1 ? CODEC_ID_FFV1 : s_FormatContext->oformat->video_codec; s_stream->codec->codec_type = AVMEDIA_TYPE_VIDEO;
s_Stream->codec->codec_type = AVMEDIA_TYPE_VIDEO; s_stream->codec->bit_rate = 400000;
s_Stream->codec->bit_rate = 400000; s_stream->codec->width = s_width;
s_Stream->codec->width = s_width; s_stream->codec->height = s_height;
s_Stream->codec->height = s_height; s_stream->codec->time_base = (AVRational){1, static_cast<int>(VideoInterface::TargetRefreshRate)};
s_Stream->codec->time_base = (AVRational){1, static_cast<int>(VideoInterface::TargetRefreshRate)}; s_stream->codec->gop_size = 12;
s_Stream->codec->gop_size = 12; s_stream->codec->pix_fmt = g_Config.bUseFFV1 ? PIX_FMT_BGRA : PIX_FMT_YUV420P;
s_Stream->codec->pix_fmt = g_Config.bUseFFV1 ? PIX_FMT_BGRA : PIX_FMT_YUV420P;
if (!(codec = avcodec_find_encoder(s_Stream->codec->codec_id)) || if (!(codec = avcodec_find_encoder(s_stream->codec->codec_id)) ||
(avcodec_open2(s_Stream->codec, codec, nullptr) < 0)) (avcodec_open2(s_stream->codec, codec, nullptr) < 0))
{ {
CloseFile();
return false; return false;
} }
s_BGRFrame = avcodec_alloc_frame(); s_bgr_frame = avcodec_alloc_frame();
s_YUVFrame = avcodec_alloc_frame(); s_yuv_frame = avcodec_alloc_frame();
s_size = avpicture_get_size(s_Stream->codec->pix_fmt, s_width, s_height); s_size = avpicture_get_size(s_stream->codec->pix_fmt, s_width, s_height);
s_YUVBuffer = new uint8_t[s_size]; s_yuv_buffer = new uint8_t[s_size];
avpicture_fill((AVPicture *)s_YUVFrame, s_YUVBuffer, s_Stream->codec->pix_fmt, s_width, s_height); avpicture_fill((AVPicture*)s_yuv_frame, s_yuv_buffer, s_stream->codec->pix_fmt, s_width, s_height);
s_OutBuffer = new uint8_t[s_size]; s_out_buffer = new uint8_t[s_size];
NOTICE_LOG(VIDEO, "Opening file %s for dumping", s_FormatContext->filename); NOTICE_LOG(VIDEO, "Opening file %s for dumping", s_format_context->filename);
if (avio_open(&s_FormatContext->pb, s_FormatContext->filename, AVIO_FLAG_WRITE) < 0) if (avio_open(&s_format_context->pb, s_format_context->filename, AVIO_FLAG_WRITE) < 0)
{ {
WARN_LOG(VIDEO, "Could not open %s", s_FormatContext->filename); WARN_LOG(VIDEO, "Could not open %s", s_format_context->filename);
CloseFile();
return false; return false;
} }
avformat_write_header(s_FormatContext, nullptr); avformat_write_header(s_format_context, nullptr);
return true; return true;
} }
void AVIDump::AddFrame(const u8* data, int width, int height) void AVIDump::AddFrame(const u8* data, int width, int height)
{ {
avpicture_fill((AVPicture *)s_BGRFrame, const_cast<u8*>(data), PIX_FMT_BGR24, width, height); avpicture_fill((AVPicture*)s_bgr_frame, const_cast<u8*>(data), PIX_FMT_BGR24, width, height);
// Convert image from BGR24 to desired pixel format, and scale to initial // Convert image from BGR24 to desired pixel format, and scale to initial
// width and height // width and height
struct SwsContext *s_SwsContext; struct SwsContext* s_sws_context;
if ((s_SwsContext = sws_getContext(width, height, PIX_FMT_BGR24, s_width, s_height, if ((s_sws_context = sws_getContext(width, height, PIX_FMT_BGR24, s_width, s_height,
s_Stream->codec->pix_fmt, SWS_BICUBIC, nullptr, nullptr, nullptr))) s_stream->codec->pix_fmt, SWS_BICUBIC, nullptr, nullptr, nullptr)))
{ {
sws_scale(s_SwsContext, s_BGRFrame->data, s_BGRFrame->linesize, 0, sws_scale(s_sws_context, s_bgr_frame->data, s_bgr_frame->linesize, 0,
height, s_YUVFrame->data, s_YUVFrame->linesize); height, s_yuv_frame->data, s_yuv_frame->linesize);
sws_freeContext(s_SwsContext); sws_freeContext(s_sws_context);
} }
// Encode and write the image // Encode and write the image
int outsize = avcodec_encode_video(s_Stream->codec, s_OutBuffer, s_size, s_YUVFrame); int outsize = avcodec_encode_video(s_stream->codec, s_out_buffer, s_size, s_yuv_frame);
while (outsize > 0) while (outsize > 0)
{ {
AVPacket pkt; AVPacket pkt;
av_init_packet(&pkt); av_init_packet(&pkt);
if (s_Stream->codec->coded_frame->pts != (unsigned int)AV_NOPTS_VALUE) if (s_stream->codec->coded_frame->pts != (unsigned int)AV_NOPTS_VALUE)
pkt.pts = av_rescale_q(s_Stream->codec->coded_frame->pts, {
s_Stream->codec->time_base, s_Stream->time_base); pkt.pts = av_rescale_q(s_stream->codec->coded_frame->pts,
if (s_Stream->codec->coded_frame->key_frame) s_stream->codec->time_base, s_stream->time_base);
}
if (s_stream->codec->coded_frame->key_frame)
pkt.flags |= AV_PKT_FLAG_KEY; pkt.flags |= AV_PKT_FLAG_KEY;
pkt.stream_index = s_Stream->index; pkt.stream_index = s_stream->index;
pkt.data = s_OutBuffer; pkt.data = s_out_buffer;
pkt.size = outsize; pkt.size = outsize;
// Write the compressed frame in the media file // Write the compressed frame in the media file
av_interleaved_write_frame(s_FormatContext, &pkt); av_interleaved_write_frame(s_format_context, &pkt);
// Encode delayed frames // Encode delayed frames
outsize = avcodec_encode_video(s_Stream->codec, s_OutBuffer, s_size, nullptr); outsize = avcodec_encode_video(s_stream->codec, s_out_buffer, s_size, nullptr);
} }
} }
void AVIDump::Stop() void AVIDump::Stop()
{ {
av_write_trailer(s_FormatContext); av_write_trailer(s_format_context);
CloseFile(); CloseFile();
NOTICE_LOG(VIDEO, "Stopping frame dump"); NOTICE_LOG(VIDEO, "Stopping frame dump");
} }
void AVIDump::CloseFile() void AVIDump::CloseFile()
{ {
if (s_Stream) if (s_stream)
{ {
if (s_Stream->codec) if (s_stream->codec)
avcodec_close(s_Stream->codec); avcodec_close(s_stream->codec);
av_free(s_Stream); av_free(s_stream);
s_Stream = nullptr; s_stream = nullptr;
} }
if (s_YUVBuffer) if (s_yuv_buffer)
delete[] s_YUVBuffer; delete[] s_yuv_buffer;
s_YUVBuffer = nullptr; s_yuv_buffer = nullptr;
if (s_OutBuffer) if (s_out_buffer)
delete[] s_OutBuffer; delete[] s_out_buffer;
s_OutBuffer = nullptr; s_out_buffer = nullptr;
if (s_BGRFrame) if (s_bgr_frame)
av_free(s_BGRFrame); av_free(s_bgr_frame);
s_BGRFrame = nullptr; s_bgr_frame = nullptr;
if (s_YUVFrame) if (s_yuv_frame)
av_free(s_YUVFrame); av_free(s_yuv_frame);
s_YUVFrame = nullptr; s_yuv_frame = nullptr;
if (s_FormatContext) if (s_format_context)
{ {
if (s_FormatContext->pb) if (s_format_context->pb)
avio_close(s_FormatContext->pb); avio_close(s_format_context->pb);
av_free(s_FormatContext); av_free(s_format_context);
s_FormatContext = nullptr; s_format_context = nullptr;
} }
} }