+/*\r
+* Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>\r
+*\r
+* This file is part of CasparCG (www.casparcg.com).\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
+* Author: Robert Nagy, ronag89@gmail.com\r
+*/\r
+\r
#include "../../stdafx.h"\r
\r
#include "util.h"\r
#include <tbb/concurrent_unordered_map.h>\r
#include <tbb/concurrent_queue.h>\r
\r
-#include <core/producer/frame/frame_transform.h>\r
-#include <core/producer/frame/frame_factory.h>\r
+#include <core/frame/frame_transform.h>\r
+#include <core/frame/frame_factory.h>\r
+#include <core/frame/frame.h>\r
#include <core/producer/frame_producer.h>\r
-#include <core/mixer/write_frame.h>\r
\r
-#include <common/exception/exceptions.h>\r
-#include <common/utility/assert.h>\r
-#include <common/memory/memcpy.h>\r
+#include <common/except.h>\r
+#include <common/memory/array.h>\r
\r
#include <tbb/parallel_for.h>\r
\r
+#include <common/assert.h>\r
#include <boost/filesystem.hpp>\r
#include <boost/lexical_cast.hpp>\r
\r
+#include <asmlib.h>\r
+\r
#if defined(_MSC_VER)\r
#pragma warning (push)\r
#pragma warning (disable : 4244)\r
\r
namespace caspar { namespace ffmpeg {\r
\r
-safe_ptr<AVPacket> flush_packet()\r
-{\r
- static auto packet = create_packet();\r
- return packet;\r
-}\r
-\r
std::shared_ptr<core::audio_buffer> flush_audio()\r
{\r
static std::shared_ptr<core::audio_buffer> audio(new core::audio_buffer());\r
return video;\r
}\r
\r
-core::field_mode::type get_mode(const AVFrame& frame)\r
+core::field_mode get_mode(const AVFrame& frame)\r
{\r
if(!frame.interlaced_frame)\r
return core::field_mode::progressive;\r
return frame.top_field_first ? core::field_mode::upper : core::field_mode::lower;\r
}\r
\r
-core::pixel_format::type get_pixel_format(PixelFormat pix_fmt)\r
+core::pixel_format get_pixel_format(PixelFormat pix_fmt)\r
{\r
switch(pix_fmt)\r
{\r
}\r
}\r
\r
-core::pixel_format_desc get_pixel_format_desc(PixelFormat pix_fmt, size_t width, size_t height)\r
+core::pixel_format_desc pixel_format_desc(PixelFormat pix_fmt, int width, int height)\r
{\r
// Get linesizes\r
AVPicture dummy_pict; \r
avpicture_fill(&dummy_pict, nullptr, pix_fmt == CASPAR_PIX_FMT_LUMA ? PIX_FMT_GRAY8 : pix_fmt, width, height);\r
\r
- core::pixel_format_desc desc;\r
- desc.pix_fmt = get_pixel_format(pix_fmt);\r
+ core::pixel_format_desc desc = get_pixel_format(pix_fmt);\r
\r
- switch(desc.pix_fmt)\r
+ switch(desc.format.value())\r
{\r
case core::pixel_format::gray:\r
case core::pixel_format::luma:\r
case core::pixel_format::ycbcra:\r
{ \r
// Find chroma height\r
- size_t size2 = dummy_pict.data[2] - dummy_pict.data[1];\r
- size_t h2 = size2/dummy_pict.linesize[1]; \r
+ int size2 = static_cast<int>(dummy_pict.data[2] - dummy_pict.data[1]);\r
+ int h2 = size2/dummy_pict.linesize[1]; \r
\r
desc.planes.push_back(core::pixel_format_desc::plane(dummy_pict.linesize[0], height, 1));\r
desc.planes.push_back(core::pixel_format_desc::plane(dummy_pict.linesize[1], h2, 1));\r
desc.planes.push_back(core::pixel_format_desc::plane(dummy_pict.linesize[2], h2, 1));\r
\r
- if(desc.pix_fmt == core::pixel_format::ycbcra) \r
+ if(desc.format == core::pixel_format::ycbcra) \r
desc.planes.push_back(core::pixel_format_desc::plane(dummy_pict.linesize[3], height, 1)); \r
return desc;\r
} \r
default: \r
- desc.pix_fmt = core::pixel_format::invalid;\r
+ desc.format = core::pixel_format::invalid;\r
return desc;\r
}\r
}\r
\r
int make_alpha_format(int format)\r
{\r
- switch(get_pixel_format(static_cast<PixelFormat>(format)))\r
+ switch(get_pixel_format(static_cast<PixelFormat>(format)).value())\r
{\r
case core::pixel_format::ycbcr:\r
case core::pixel_format::ycbcra:\r
}\r
}\r
\r
-safe_ptr<core::write_frame> make_write_frame(const void* tag, const safe_ptr<AVFrame>& decoded_frame, const safe_ptr<core::frame_factory>& frame_factory, int hints)\r
+core::mutable_frame make_frame(const void* tag, const spl::shared_ptr<AVFrame>& decoded_frame, double fps, const spl::shared_ptr<core::frame_factory>& frame_factory, int flags)\r
{ \r
- static tbb::concurrent_unordered_map<size_t, tbb::concurrent_queue<std::shared_ptr<SwsContext>>> sws_contexts_;\r
+ static tbb::concurrent_unordered_map<int, tbb::concurrent_queue<std::shared_ptr<SwsContext>>> sws_contexts_;\r
\r
if(decoded_frame->width < 1 || decoded_frame->height < 1)\r
- return make_safe<core::write_frame>(tag);\r
+ return frame_factory->create_frame(tag, core::pixel_format_desc(core::pixel_format::invalid));\r
\r
const auto width = decoded_frame->width;\r
const auto height = decoded_frame->height;\r
- auto desc =
get_pixel_format_desc(static_cast<PixelFormat>(decoded_frame->format), width, height);
\r+ auto desc = pixel_format_desc(static_cast<PixelFormat>(decoded_frame->format), width, height);\r
\r
- if(hints & core::frame_producer::ALPHA_HINT)\r
- desc = get_pixel_format_desc(static_cast<PixelFormat>(make_alpha_format(decoded_frame->format)), width, height);\r
-\r
- std::shared_ptr<core::write_frame> write;\r
-\r
- if(desc.pix_fmt == core::pixel_format::invalid)\r
+ if(flags & core::frame_producer::flags::alpha_only)\r
+ desc = pixel_format_desc(static_cast<PixelFormat>(make_alpha_format(decoded_frame->format)), width, height);\r
+ \r
+ if(desc.format == core::pixel_format::invalid)\r
{\r
auto pix_fmt = static_cast<PixelFormat>(decoded_frame->format);\r
+ auto target_pix_fmt = PIX_FMT_BGRA;\r
+\r
+ if(pix_fmt == PIX_FMT_UYVY422)\r
+ target_pix_fmt = PIX_FMT_YUV422P;\r
+ else if(pix_fmt == PIX_FMT_YUYV422)\r
+ target_pix_fmt = PIX_FMT_YUV422P;\r
+ else if(pix_fmt == PIX_FMT_UYYVYY411)\r
+ target_pix_fmt = PIX_FMT_YUV411P;\r
+ else if(pix_fmt == PIX_FMT_YUV420P10)\r
+ target_pix_fmt = PIX_FMT_YUV420P;\r
+ else if(pix_fmt == PIX_FMT_YUV422P10)\r
+ target_pix_fmt = PIX_FMT_YUV422P;\r
+ else if(pix_fmt == PIX_FMT_YUV444P10)\r
+ target_pix_fmt = PIX_FMT_YUV444P;\r
+ \r
+ auto target_desc = pixel_format_desc(target_pix_fmt, width, height);\r
\r
- write = frame_factory->create_frame(tag, get_pixel_format_desc(PIX_FMT_BGRA, width, height));\r
- write->set_type(get_mode(*decoded_frame));\r
+ auto write = frame_factory->create_frame(tag, target_desc, fps, get_mode(*decoded_frame));\r
\r
std::shared_ptr<SwsContext> sws_context;\r
\r
//CASPAR_LOG(warning) << "Hardware accelerated color transform not supported.";\r
\r
- size_t key = width << 20 | height << 8 | pix_fmt;\r
+ int key = ((width << 22) & 0xFFC00000) | ((height << 6) & 0x003FC000) | ((pix_fmt << 7) & 0x00007F00) | ((target_pix_fmt << 0) & 0x0000007F);\r
\r
auto& pool = sws_contexts_[key];\r
\r
if(!pool.try_pop(sws_context))\r
{\r
double param;\r
- sws_context.reset(sws_getContext(width, height, pix_fmt, width, height, PIX_FMT_BGRA, SWS_BILINEAR, nullptr, nullptr, ¶m), sws_freeContext);\r
+ sws_context.reset(sws_getContext(width, height, pix_fmt, width, height, target_pix_fmt, SWS_BILINEAR, nullptr, nullptr, ¶m), sws_freeContext);\r
}\r
\r
if(!sws_context)\r
BOOST_THROW_EXCEPTION(operation_failed() << msg_info("Could not create software scaling context.") << \r
boost::errinfo_api_function("sws_getContext"));\r
} \r
-\r
- // Use sws_scale when provided colorspace has no hw-accel.\r
- safe_ptr<AVFrame> av_frame(avcodec_alloc_frame(), av_free); \r
+ \r
+ spl::shared_ptr<AVFrame> av_frame(avcodec_alloc_frame(), av_free); \r
avcodec_get_frame_defaults(av_frame.get()); \r
- auto size = avpicture_fill(reinterpret_cast<AVPicture*>(av_frame.get()), write->image_data().begin(), PIX_FMT_BGRA, width, height);\r
- CASPAR_VERIFY(size == write->image_data().size()); \r
+ if(target_pix_fmt == PIX_FMT_BGRA)\r
+ {\r
+ auto size = avpicture_fill(reinterpret_cast<AVPicture*>(av_frame.get()), write.image_data(0).begin(), PIX_FMT_BGRA, width, height);\r
+ CASPAR_VERIFY(size == write.image_data(0).size()); \r
+ }\r
+ else\r
+ {\r
+ av_frame->width = width;\r
+ av_frame->height = height;\r
+ for(int n = 0; n < target_desc.planes.size(); ++n)\r
+ {\r
+ av_frame->data[n] = write.image_data(n).begin();\r
+ av_frame->linesize[n] = target_desc.planes[n].linesize;\r
+ }\r
+ }\r
\r
sws_scale(sws_context.get(), decoded_frame->data, decoded_frame->linesize, 0, height, av_frame->data, av_frame->linesize); \r
- pool.push(sws_context);\r
+ pool.push(sws_context); \r
\r
- write->commit();\r
+ return std::move(write);\r
}\r
else\r
{\r
- write = frame_factory->create_frame(tag, desc);\r
- write->set_type(get_mode(*decoded_frame));\r
-\r
+ auto write = frame_factory->create_frame(tag, desc, fps, get_mode(*decoded_frame));\r
+ \r
for(int n = 0; n < static_cast<int>(desc.planes.size()); ++n)\r
{\r
auto plane = desc.planes[n];\r
- auto result = write->image_data(n).begin();\r
+ auto result = write.image_data(n).begin();\r
auto decoded = decoded_frame->data[n];\r
auto decoded_linesize = decoded_frame->linesize[n];\r
\r
CASPAR_ASSERT(decoded);\r
- CASPAR_ASSERT(write->image_data(n).begin());\r
+ CASPAR_ASSERT(write.image_data(n).begin());\r
\r
- if(decoded_linesize != static_cast<int>(plane.width))\r
- {\r
- // Copy line by line since ffmpeg sometimes pads each line.\r
- tbb::parallel_for<size_t>(0, desc.planes[n].height, [&](size_t y)\r
- {\r
- fast_memcpy(result + y*plane.linesize, decoded + y*decoded_linesize, plane.linesize);\r
- });\r
- }\r
- else\r
+ // Copy line by line since ffmpeg sometimes pads each line.\r
+ tbb::affinity_partitioner ap;\r
+ tbb::parallel_for(tbb::blocked_range<int>(0, desc.planes[n].height), [&](const tbb::blocked_range<int>& r)\r
{\r
- fast_memcpy(result, decoded, plane.size);\r
- }\r
-\r
- write->commit(n);\r
+ for(int y = r.begin(); y != r.end(); ++y)\r
+ A_memcpy(result + y*plane.linesize, decoded + y*decoded_linesize, plane.linesize);\r
+ }, ap);\r
}\r
+ \r
+ return std::move(write);\r
}\r
+}\r
\r
- if(decoded_frame->height == 480) // NTSC DV\r
- {\r
- write->get_frame_transform().fill_translation[1] += 2.0/static_cast<double>(frame_factory->get_video_format_desc().height);\r
- write->get_frame_transform().fill_scale[1] = 1.0 - 6.0*1.0/static_cast<double>(frame_factory->get_video_format_desc().height);\r
- }\r
+spl::shared_ptr<AVFrame> make_av_frame(core::mutable_frame& frame)\r
+{\r
+ std::array<uint8_t*, 4> data = {};\r
+ for(int n = 0; n < frame.pixel_format_desc().planes.size(); ++n)\r
+ data[n] = frame.image_data(n).begin();\r
+\r
+ return make_av_frame(data, frame.pixel_format_desc());\r
+}\r
+\r
+spl::shared_ptr<AVFrame> make_av_frame(std::array<uint8_t*, 4> data, const core::pixel_format_desc& pix_desc)\r
+{\r
+ spl::shared_ptr<AVFrame> av_frame(avcodec_alloc_frame(), av_free); \r
+ avcodec_get_frame_defaults(av_frame.get());\r
\r
- // Fix field-order if needed\r
- if(write->get_type() == core::field_mode::lower && frame_factory->get_video_format_desc().field_mode == core::field_mode::upper)\r
- write->get_frame_transform().fill_translation[1] += 1.0/static_cast<double>(frame_factory->get_video_format_desc().height);\r
- else if(write->get_type() == core::field_mode::upper && frame_factory->get_video_format_desc().field_mode == core::field_mode::lower)\r
- write->get_frame_transform().fill_translation[1] -= 1.0/static_cast<double>(frame_factory->get_video_format_desc().height);\r
+ auto planes = pix_desc.planes;\r
+ auto format = pix_desc.format.value();\r
\r
- return make_safe_ptr(write);\r
+ av_frame->width = planes[0].width;\r
+ av_frame->height = planes[0].height;\r
+ for(int n = 0; n < planes.size(); ++n) \r
+ {\r
+ av_frame->data[n] = data[n];\r
+ av_frame->linesize[n] = planes[n].linesize; \r
+ }\r
+ switch(format)\r
+ {\r
+ case core::pixel_format::rgba:\r
+ av_frame->format = PIX_FMT_RGBA; \r
+ break;\r
+ case core::pixel_format::argb:\r
+ av_frame->format = PIX_FMT_ARGB; \r
+ break;\r
+ case core::pixel_format::bgra:\r
+ av_frame->format = PIX_FMT_BGRA; \r
+ break;\r
+ case core::pixel_format::abgr:\r
+ av_frame->format = PIX_FMT_ABGR; \r
+ break;\r
+ case core::pixel_format::gray:\r
+ av_frame->format = PIX_FMT_GRAY8; \r
+ break;\r
+ case core::pixel_format::ycbcr:\r
+ {\r
+ int y_w = planes[0].width;\r
+ int y_h = planes[0].height;\r
+ int c_w = planes[1].width;\r
+ int c_h = planes[1].height;\r
+\r
+ if(c_h == y_h && c_w == y_w)\r
+ av_frame->format = PIX_FMT_YUV444P;\r
+ else if(c_h == y_h && c_w*2 == y_w)\r
+ av_frame->format = PIX_FMT_YUV422P;\r
+ else if(c_h == y_h && c_w*4 == y_w)\r
+ av_frame->format = PIX_FMT_YUV411P;\r
+ else if(c_h*2 == y_h && c_w*2 == y_w)\r
+ av_frame->format = PIX_FMT_YUV420P;\r
+ else if(c_h*2 == y_h && c_w*4 == y_w)\r
+ av_frame->format = PIX_FMT_YUV410P;\r
+\r
+ break;\r
+ }\r
+ case core::pixel_format::ycbcra:\r
+ av_frame->format = PIX_FMT_YUVA420P;\r
+ break;\r
+ }\r
+ return av_frame;\r
}\r
\r
bool is_sane_fps(AVRational time_base)\r
return time_base;\r
}\r
\r
-void fix_meta_data(AVFormatContext& context)\r
-{\r
+double read_fps(AVFormatContext& context, double fail_value)\r
+{ \r
auto video_index = av_find_best_stream(&context, AVMEDIA_TYPE_VIDEO, -1, -1, 0, 0);\r
auto audio_index = av_find_best_stream(&context, AVMEDIA_TYPE_AUDIO, -1, -1, 0, 0);\r
-\r
+ \r
if(video_index > -1)\r
{\r
- auto video_context = context.streams[video_index]->codec;\r
- auto video_stream = context.streams[video_index];\r
+ const auto video_context = context.streams[video_index]->codec;\r
+ const auto video_stream = context.streams[video_index];\r
\r
- if(boost::filesystem2::path(context.filename).extension() == ".flv")\r
+ AVRational time_base = video_context->time_base;\r
+\r
+ if(boost::filesystem::path(context.filename).extension().string() == ".flv")\r
{\r
try\r
{\r
auto meta = read_flv_meta_info(context.filename);\r
- double fps = boost::lexical_cast<double>(meta["framerate"]);\r
- video_context->time_base.num = 1000000;\r
- video_context->time_base.den = static_cast<int>(fps*1000000.0);\r
- video_stream->nb_frames = static_cast<int64_t>(boost::lexical_cast<double>(meta["duration"])*fps);\r
+ return boost::lexical_cast<double>(meta["framerate"]);\r
+ }\r
+ catch(...)\r
+ {\r
+ return 0.0;\r
}\r
- catch(...){}\r
}\r
else\r
{\r
- video_context->time_base.num *= video_context->ticks_per_frame;\r
+ time_base.num *= video_context->ticks_per_frame;\r
\r
- if(!is_sane_fps(video_context->time_base))\r
+ if(!is_sane_fps(time_base))\r
{ \r
- video_context->time_base = fix_time_base(video_context->time_base);\r
+ time_base = fix_time_base(time_base);\r
\r
- if(!is_sane_fps(video_context->time_base) && audio_index > -1)\r
+ if(!is_sane_fps(time_base) && audio_index > -1)\r
{\r
auto& audio_context = *context.streams[audio_index]->codec;\r
auto& audio_stream = *context.streams[audio_index];\r
\r
double duration_sec = audio_stream.duration / static_cast<double>(audio_context.sample_rate);\r
\r
- video_context->time_base.num = static_cast<int>(duration_sec*100000.0);\r
- video_context->time_base.den = static_cast<int>(video_stream->nb_frames*100000);\r
+ time_base.num = static_cast<int>(duration_sec*100000.0);\r
+ time_base.den = static_cast<int>(video_stream->nb_frames*100000);\r
}\r
}\r
- \r
- //if(audio_index > -1) // Check for invalid double frame-rate\r
- //{\r
- // auto& audio_context = *context.streams[audio_index]->codec;\r
- // auto& audio_stream = *context.streams[audio_index];\r
- // \r
- // double duration_sec = audio_stream.duration / static_cast<double>(audio_context.sample_rate);\r
- // double fps = static_cast<double>(video_context->time_base.den) / static_cast<double>(video_context->time_base.num);\r
-\r
- // double fps_nb_frames = static_cast<double>(duration_sec*fps);\r
- // double stream_nb_frames = static_cast<double>(video_stream->nb_frames);\r
- // double diff = std::abs(fps_nb_frames - stream_nb_frames*2.0);\r
- // if(diff < fps_nb_frames*0.05)\r
- // video_context->time_base.num *= 2;\r
- //}\r
- //else\r
- //{\r
- // video_context->time_base.den = video_stream->r_frame_rate.num;\r
- // video_context->time_base.num = video_stream->r_frame_rate.den;\r
- //}\r
}\r
-\r
- auto nb_frames = static_cast<double>(video_stream->duration*video_stream->time_base.num)/static_cast<double>(video_stream->time_base.den);\r
- nb_frames = (nb_frames*video_context->time_base.den)/video_context->time_base.num;\r
- video_stream->nb_frames = static_cast<int64_t>(nb_frames+0.5);\r
-\r
- double fps = static_cast<double>(video_context->time_base.den) / static_cast<double>(video_context->time_base.num);\r
+ \r
+ double fps = static_cast<double>(time_base.den) / static_cast<double>(time_base.num);\r
\r
double closest_fps = 0.0;\r
for(int n = 0; n < core::video_format::count; ++n)\r
{\r
- auto format = core::video_format_desc::get(static_cast<core::video_format::type>(n));\r
+ auto format = core::video_format_desc(core::video_format(n));\r
\r
double diff1 = std::abs(format.fps - fps);\r
double diff2 = std::abs(closest_fps - fps);\r
closest_fps = format.fps;\r
}\r
\r
- video_context->time_base.num = 1000000;\r
- video_context->time_base.den = static_cast<int>(closest_fps*1000000.0);\r
+ return closest_fps;\r
}\r
+\r
+ return fail_value; \r
}\r
\r
-safe_ptr<AVPacket> create_packet()\r
+void fix_meta_data(AVFormatContext& context)\r
{\r
- safe_ptr<AVPacket> packet(new AVPacket, [](AVPacket* p)\r
+ auto video_index = av_find_best_stream(&context, AVMEDIA_TYPE_VIDEO, -1, -1, 0, 0);\r
+\r
+ if(video_index > -1)\r
+ {\r
+ auto video_stream = context.streams[video_index];\r
+ auto video_context = context.streams[video_index]->codec;\r
+ \r
+ if(boost::filesystem::path(context.filename).extension().string() == ".flv")\r
+ {\r
+ try\r
+ {\r
+ auto meta = read_flv_meta_info(context.filename);\r
+ double fps = boost::lexical_cast<double>(meta["framerate"]);\r
+ video_stream->nb_frames = static_cast<int64_t>(boost::lexical_cast<double>(meta["duration"])*fps);\r
+ }\r
+ catch(...){}\r
+ }\r
+ else\r
+ {\r
+ auto stream_time = video_stream->time_base;\r
+ auto duration = video_stream->duration;\r
+ auto codec_time = video_context->time_base;\r
+ auto ticks = video_context->ticks_per_frame;\r
+\r
+ if(video_stream->nb_frames == 0)\r
+ video_stream->nb_frames = (duration*stream_time.num*codec_time.den)/(stream_time.den*codec_time.num*ticks); \r
+ }\r
+ }\r
+}\r
+\r
+spl::shared_ptr<AVPacket> create_packet()\r
+{\r
+ spl::shared_ptr<AVPacket> packet(new AVPacket, [](AVPacket* p)\r
{\r
av_free_packet(p);\r
delete p;\r
return packet;\r
}\r
\r
-s
afe_ptr<AVCodecContext> open_codec(AVFormatContext& context, enum AVMediaType type, int& index)
\r+s
pl::shared_ptr<AVCodecContext> open_codec(AVFormatContext& context, enum AVMediaType type, int& index)
\r { \r
AVCodec* decoder;\r
index = THROW_ON_ERROR2(av_find_best_stream(&context, type, -1, -1, &decoder, 0), "");\r
// decoder = decoder->next;\r
\r
THROW_ON_ERROR2(tbb_avcodec_open(context.streams[index]->codec, decoder), "");\r
- return s
afe_ptr<AVCodecContext>(context.streams[index]->codec, tbb_avcodec_close);
\r+ return s
pl::shared_ptr<AVCodecContext>(context.streams[index]->codec, tbb_avcodec_close);
\r }\r
\r
-s
afe_ptr<AVFormatContext> open_input(const std::wstring& filename)
\r+s
pl::shared_ptr<AVFormatContext> open_input(const std::wstring& filename)
\r {\r
AVFormatContext* weak_context = nullptr;\r
- THROW_ON_ERROR2(avformat_open_input(&weak_context, narrow(filename).c_str(), nullptr, nullptr), filename);\r
- safe_ptr<AVFormatContext> context(weak_context, av_close_input_file); \r
+ THROW_ON_ERROR2(avformat_open_input(&weak_context, u8(filename).c_str(), nullptr, nullptr), filename);\r
+ spl::shared_ptr<AVFormatContext> context(weak_context, av_close_input_file); \r
THROW_ON_ERROR2(avformat_find_stream_info(weak_context, nullptr), filename);\r
fix_meta_data(*context);\r
return context;\r
}\r
+\r
+std::wstring print_mode(int width, int height, double fps, bool interlaced)\r
+{\r
+ std::wostringstream fps_ss;\r
+ fps_ss << std::fixed << std::setprecision(2) << (!interlaced ? fps : 2.0 * fps);\r
+\r
+ return boost::lexical_cast<std::wstring>(width) + L"x" + boost::lexical_cast<std::wstring>(height) + (!interlaced ? L"p" : L"i") + fps_ss.str();\r
+}\r
+\r
+bool is_valid_file(const std::wstring filename)\r
+{ \r
+ if(boost::filesystem::path(filename).extension() == ".m2t")\r
+ return true;\r
+\r
+ std::ifstream file(filename);\r
+\r
+ std::vector<unsigned char> buf;\r
+ for(auto file_it = std::istreambuf_iterator<char>(file); file_it != std::istreambuf_iterator<char>() && buf.size() < 2048; ++file_it)\r
+ buf.push_back(*file_it);\r
+\r
+ if(buf.empty())\r
+ return nullptr;\r
+\r
+ AVProbeData pb;\r
+ pb.filename = u8(filename).c_str();\r
+ pb.buf = buf.data();\r
+ pb.buf_size = static_cast<int>(buf.size());\r
+\r
+ int score = 0;\r
+ return av_probe_input_format2(&pb, true, &score) != nullptr;\r
+}\r
+\r
+std::wstring probe_stem(const std::wstring stem)\r
+{\r
+ auto stem2 = boost::filesystem::path(stem);\r
+ auto dir = stem2.parent_path();\r
+ for(auto it = boost::filesystem::directory_iterator(dir); it != boost::filesystem::directory_iterator(); ++it)\r
+ {\r
+ if(boost::iequals(it->path().stem().wstring(), stem2.filename().wstring()) && is_valid_file(it->path().wstring()))\r
+ return it->path().wstring();\r
+ }\r
+ return L"";\r
+}\r
//\r
//void av_dup_frame(AVFrame* frame)\r
//{\r
projects / casparcg / blobdiff