diff options
Diffstat (limited to 'rotord/src/libavwrapper.cpp')
| -rw-r--r-- | rotord/src/libavwrapper.cpp | 47 |
1 files changed, 27 insertions, 20 deletions
diff --git a/rotord/src/libavwrapper.cpp b/rotord/src/libavwrapper.cpp index 65bbeb5..406adb1 100644 --- a/rotord/src/libavwrapper.cpp +++ b/rotord/src/libavwrapper.cpp @@ -168,9 +168,22 @@ bool libav::exporter::record(std::string filename){ video_st->time_base = video_st->codec->time_base; //audioStream->time_base = codecCtx->time_base; //???has the capability of crashing - video_st->codec->gop_size = 10; /* emit one intra frame every ten frames */ + video_st->codec->gop_size = 75; /* emit one intra frame every ten frames */ video_st->codec->pix_fmt = PIX_FMT_YUV420P; + + //video_st->codec->bit_rate = bitRate; //need to deal with resolution etc + //video_st->codec->rc_max_rate = bitRate; + //video_st->codec->rc_min_rate = 0; + + //how to set profile????? 190913 + //this causes a crash + //av_opt_set(video_st->codec->priv_data,"profile",FF_PROFILE_H264_CONSTRAINED_BASELINE, 0); + // + // http://libav-users.943685.n4.nabble.com/Libav-user-encoding-bitrate-wrong-td4433740.html + // http://libav-users.943685.n4.nabble.com/Libav-user-H264-encoding-set-target-average-bitrate-td3912529.html + // http://trac.ffmpeg.org/wiki/x264EncodingGuide + // Now that all the parameters are set, we can open the audio and // * video codecs and allocate the necessary encode buffers. // if (video_st) @@ -195,27 +208,13 @@ bool libav::exporter::record(std::string filename){ } } -<<<<<<< HEAD AVDictionary *opts = NULL; // "create" an empty dictionary + av_dict_set(opts, "movflags", "empty_moov", 0); - // Write the stream header, if any. // - int ret = avformat_write_header(oc, &opts); -======= - /// - /// trying to change the moov atom 170913 - - //MOVMuxContext *mov = oc->priv_data; - //mov->flags |= FF_MOV_FLAG_FRAGMENT; - //AVDictionary* options; - //av_dict_set(&options, "vprofile", "baseline", 0); - - /// - /// // Write the stream header, if any. // - int ret = avformat_write_header(oc, NULL); //&options); // ->>>>>>> e8bfadcde7063ebaac5c8121747109dd574abf61 + int ret = avformat_write_header(oc, &opts); if (ret < 0) { std::cerr <<"Error occurred when opening output file:" <<endl; // av_err2str(ret) << std::endl; return false; @@ -355,10 +354,18 @@ AVStream* libav::exporter::add_stream(AVFormatContext *oc, AVCodec **codec,enum case AVMEDIA_TYPE_VIDEO: c->codec_id = codec_id; - c->bit_rate = 400000; //need to deal with resolution etc + c->bit_rate = bitRate; //need to deal with resolution etc + + c->rc_max_rate = bitRate; + c->rc_min_rate = 0; + //c->rc_buffer_size = Profile()->m_videoMaxVopSize; //?? + + // Resolution must be a multiple of two. // - c->width = 352; - c->height = 288; + //c->width = 352; + //c->height = 288; + + // timebase: This is the fundamental unit of time (in seconds) in terms // * of which frame timestamps are represented. For fixed-fps content, // * timebase should be 1/framerate and timestamp increments should be |