f0bdbea926
deprecated, which led to compilation errors in the OSG plugin. I tried fixing them and tested with the version ffmpeg-git-5d4fd1d (ffmpeg version > 0.8, libavcodec = 53.7.0) under Windows. "
102 lines
2.5 KiB
C++
102 lines
2.5 KiB
C++
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#include "FFmpegParameters.hpp"
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#include <string>
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#include <iostream>
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#include <sstream>
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#if LIBAVCODEC_VERSION_MAJOR >= 53
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extern "C"
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{
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#include <parseutils.h>
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}
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#define av_parse_video_frame_size av_parse_video_size
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#define av_parse_video_frame_rate av_parse_video_rate
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#endif
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#if LIBAVCODEC_VERSION_MAJOR >= 53 || \
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(LIBAVCODEC_VERSION_MAJOR==52 && LIBAVCODEC_VERSION_MINOR>=49)
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extern "C"
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{
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#include <pixdesc.h>
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}
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inline PixelFormat osg_av_get_pix_fmt(const char *name) { return av_get_pix_fmt(name); }
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#else
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inline PixelFormat osg_av_get_pix_fmt(const char *name) { return avcodec_get_pix_fmt(name); }
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#endif
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namespace osgFFmpeg {
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FFmpegParameters::FFmpegParameters() :
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m_format(0)
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{
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memset(&m_parameters, 0, sizeof(m_parameters));
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}
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FFmpegParameters::~FFmpegParameters()
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{}
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void FFmpegParameters::parse(const std::string& name, const std::string& value)
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{
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if (value.empty())
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{
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return;
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}
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else if (name == "format")
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{
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avdevice_register_all();
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m_format = av_find_input_format(value.c_str());
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if (!m_format)
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OSG_NOTICE<<"Failed to apply input video format: "<<value.c_str()<<std::endl;
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}
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else if (name == "pixel_format")
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{
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m_parameters.pix_fmt = osg_av_get_pix_fmt(value.c_str());
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}
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else if (name == "frame_size")
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{
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int frame_width = 0, frame_height = 0;
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if (av_parse_video_frame_size(&frame_width, &frame_height, value.c_str()) < 0)
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{
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OSG_NOTICE<<"Failed to apply frame size: "<<value.c_str()<<std::endl;
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return;
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}
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if ((frame_width % 2) != 0 || (frame_height % 2) != 0)
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{
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OSG_NOTICE<<"Frame size must be a multiple of 2: "<<frame_width<<"x"<<frame_height<<std::endl;
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return;
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}
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m_parameters.width = frame_width;
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m_parameters.height = frame_height;
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}
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else if (name == "frame_rate")
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{
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AVRational frame_rate;
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if (av_parse_video_frame_rate(&frame_rate, value.c_str()) < 0)
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{
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OSG_NOTICE<<"Failed to apply frame rate: "<<value.c_str()<<std::endl;
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return;
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}
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m_parameters.time_base.den = frame_rate.num;
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m_parameters.time_base.num = frame_rate.den;
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}
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else if (name == "audio_sample_rate")
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{
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int audio_sample_rate = 44100;
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std::stringstream ss(value); ss >> audio_sample_rate;
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m_parameters.sample_rate = audio_sample_rate;
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}
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}
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} // namespace osgFFmpeg
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