+/*\r
+* copyright (c) 2010 Sveriges Television AB <info@casparcg.com>\r
+*\r
+* This file is part of CasparCG.\r
+*\r
+* CasparCG is free software: you can redistribute it and/or modify\r
+* it under the terms of the GNU General Public License as published by\r
+* the Free Software Foundation, either version 3 of the License, or\r
+* (at your option) any later version.\r
+*\r
+* CasparCG is distributed in the hope that it will be useful,\r
+* but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
+* GNU General Public License for more details.\r
+\r
+* You should have received a copy of the GNU General Public License\r
+* along with CasparCG. If not, see <http://www.gnu.org/licenses/>.\r
+*\r
+*/\r
#include "../../stdafx.h"\r
\r
#include "video_decoder.h"\r
+#include "../../ffmpeg_error.h"\r
\r
-#include <common/memory/safe_ptr.h>\r
+#include <common/memory/memcpy.h>\r
\r
#include <core/video_format.h>\r
-\r
#include <core/producer/frame/basic_frame.h>\r
#include <core/producer/frame/write_frame.h>\r
#include <core/producer/frame/image_transform.h>\r
\r
#include <tbb/parallel_for.h>\r
\r
-#include <algorithm>\r
-\r
#if defined(_MSC_VER)\r
#pragma warning (push)\r
#pragma warning (disable : 4244)\r
{\r
switch(pix_fmt)\r
{\r
- case PIX_FMT_BGRA: return core::pixel_format::bgra;\r
- case PIX_FMT_ARGB: return core::pixel_format::argb;\r
- case PIX_FMT_RGBA: return core::pixel_format::rgba;\r
- case PIX_FMT_ABGR: return core::pixel_format::abgr;\r
- case PIX_FMT_YUV444P: return core::pixel_format::ycbcr;\r
- case PIX_FMT_YUV422P: return core::pixel_format::ycbcr;\r
- case PIX_FMT_YUV420P: return core::pixel_format::ycbcr;\r
- case PIX_FMT_YUV411P: return core::pixel_format::ycbcr;\r
- case PIX_FMT_YUV410P: return core::pixel_format::ycbcr;\r
- case PIX_FMT_YUVA420P: return core::pixel_format::ycbcra;\r
- default: return core::pixel_format::invalid;\r
+ case PIX_FMT_GRAY8: return core::pixel_format::gray;\r
+ case PIX_FMT_BGRA: return core::pixel_format::bgra;\r
+ case PIX_FMT_ARGB: return core::pixel_format::argb;\r
+ case PIX_FMT_RGBA: return core::pixel_format::rgba;\r
+ case PIX_FMT_ABGR: return core::pixel_format::abgr;\r
+ case PIX_FMT_YUV444P: return core::pixel_format::ycbcr;\r
+ case PIX_FMT_YUV422P: return core::pixel_format::ycbcr;\r
+ case PIX_FMT_YUV420P: return core::pixel_format::ycbcr;\r
+ case PIX_FMT_YUV411P: return core::pixel_format::ycbcr;\r
+ case PIX_FMT_YUV410P: return core::pixel_format::ycbcr;\r
+ case PIX_FMT_YUVA420P: return core::pixel_format::ycbcra;\r
+ default: return core::pixel_format::invalid;\r
}\r
}\r
\r
\r
switch(desc.pix_fmt)\r
{\r
+ case core::pixel_format::gray:\r
+ {\r
+ desc.planes.push_back(core::pixel_format_desc::plane(dummy_pict.linesize[0]/4, height, 1)); \r
+ return desc;\r
+ }\r
case core::pixel_format::bgra:\r
case core::pixel_format::argb:\r
case core::pixel_format::rgba:\r
\r
struct video_decoder::implementation : boost::noncopyable\r
{ \r
- std::shared_ptr<core::frame_factory> frame_factory_;\r
- std::shared_ptr<SwsContext> sws_context_;\r
-\r
- AVCodecContext* codec_context_;\r
-\r
- const int width_;\r
- const int height_;\r
- const PixelFormat pix_fmt_;\r
- core::pixel_format_desc desc_;\r
+ std::shared_ptr<SwsContext> sws_context_;\r
+ const std::shared_ptr<core::frame_factory> frame_factory_;\r
+ AVCodecContext* codec_context_;\r
+ const int width_;\r
+ const int height_;\r
+ const PixelFormat pix_fmt_;\r
+ core::pixel_format_desc desc_;\r
\r
public:\r
explicit implementation(AVCodecContext* codec_context, const safe_ptr<core::frame_factory>& frame_factory) \r
, pix_fmt_(codec_context_->pix_fmt)\r
, desc_(get_pixel_format_desc(pix_fmt_, width_, height_))\r
{\r
- double frame_time = static_cast<double>(codec_context_->time_base.num) / static_cast<double>(codec_context_->time_base.den);\r
- double format_frame_time = 1.0/frame_factory->get_video_format_desc().fps;\r
- if(abs(frame_time - format_frame_time) > 0.0001)\r
- BOOST_THROW_EXCEPTION(file_read_error() << msg_info("Invalid video framerate.") << arg_value_info(boost::lexical_cast<std::string>(frame_time)));\r
-\r
if(desc_.pix_fmt == core::pixel_format::invalid)\r
{\r
CASPAR_LOG(warning) << "Hardware accelerated color transform not supported.";\r
}\r
}\r
\r
- safe_ptr<core::write_frame> execute(const aligned_buffer& video_packet)\r
+ std::shared_ptr<core::write_frame> execute(void* tag, const std::shared_ptr<aligned_buffer>& video_packet)\r
{ \r
+ if(!video_packet)\r
+ return nullptr;\r
+\r
+ if(video_packet->empty()) // Need to flush\r
+ {\r
+ avcodec_flush_buffers(codec_context_);\r
+ return nullptr;\r
+ }\r
+\r
safe_ptr<AVFrame> decoded_frame(avcodec_alloc_frame(), av_free);\r
\r
int frame_finished = 0;\r
- const int result = avcodec_decode_video(codec_context_, decoded_frame.get(), &frame_finished, video_packet.data(), video_packet.size());\r
+ const int errn = avcodec_decode_video(codec_context_, decoded_frame.get(), &frame_finished, video_packet->data(), video_packet->size());\r
\r
- if(result < 0)\r
- BOOST_THROW_EXCEPTION(invalid_operation() << msg_info("avcodec_decode_video failed"));\r
+ if(errn < 0)\r
+ {\r
+ BOOST_THROW_EXCEPTION(\r
+ invalid_operation() <<\r
+ msg_info(av_error_str(errn)) <<\r
+ boost::errinfo_api_function("avcodec_decode_video") <<\r
+ boost::errinfo_errno(AVUNERROR(errn)));\r
+ }\r
\r
- auto write = frame_factory_->create_frame(desc_);\r
+ if(frame_finished == 0)\r
+ return nullptr;\r
+\r
+ auto write = frame_factory_->create_frame(tag, desc_);\r
if(sws_context_ == nullptr)\r
{\r
tbb::parallel_for(0, static_cast<int>(desc_.planes.size()), 1, [&](int n)\r
auto decoded = decoded_frame->data[n];\r
auto decoded_linesize = decoded_frame->linesize[n];\r
\r
+ // Copy line by line since ffmpeg sometimes pads each line.\r
tbb::parallel_for(0, static_cast<int>(desc_.planes[n].height), 1, [&](int y)\r
{\r
- std::copy_n(decoded + y*decoded_linesize, plane.linesize, result + y*plane.linesize);\r
+ fast_memcpy(result + y*plane.linesize, decoded + y*decoded_linesize, plane.linesize);\r
});\r
});\r
}\r
else\r
{\r
+ // Uses sws_scale when we don't support the provided colorspace.\r
safe_ptr<AVFrame> av_frame(avcodec_alloc_frame(), av_free); \r
avcodec_get_frame_defaults(av_frame.get()); \r
avpicture_fill(reinterpret_cast<AVPicture*>(av_frame.get()), write->image_data().begin(), PIX_FMT_BGRA, width_, height_);\r
sws_scale(sws_context_.get(), decoded_frame->data, decoded_frame->linesize, 0, height_, av_frame->data, av_frame->linesize); \r
} \r
\r
+ // DVVIDEO is in lower field. Make it upper field if needed.\r
if(codec_context_->codec_id == CODEC_ID_DVVIDEO && frame_factory_->get_video_format_desc().mode == core::video_mode::upper)\r
write->get_image_transform().set_fill_translation(0.0f, 1.0/static_cast<double>(height_));\r
\r
};\r
\r
video_decoder::video_decoder(AVCodecContext* codec_context, const safe_ptr<core::frame_factory>& frame_factory) : impl_(new implementation(codec_context, frame_factory)){}\r
-safe_ptr<core::write_frame> video_decoder::execute(const aligned_buffer& video_packet){return impl_->execute(video_packet);}\r
+std::shared_ptr<core::write_frame> video_decoder::execute(void* tag, const std::shared_ptr<aligned_buffer>& video_packet){return impl_->execute(tag, video_packet);}\r
\r
}
\ No newline at end of file
projects / casparcg / blobdiff