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Video: Try to improve encoding speed/ratefactor a bit

This commit is contained in:
Jeffrey Pfau 2014-11-12 22:50:30 -08:00
parent ec0b206fee
commit d3a60f6555
1 changed files with 5 additions and 2 deletions
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7
src/platform/ffmpeg/ffmpeg-encoder.c
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@ -228,11 +228,14 @@ bool FFmpegEncoderOpen(struct FFmpegEncoder* encoder, const char* outfile) {
encoder->video->height = encoder->height; encoder->video->height = encoder->height;
encoder->video->time_base = (AVRational) { VIDEO_TOTAL_LENGTH, GBA_ARM7TDMI_FREQUENCY }; encoder->video->time_base = (AVRational) { VIDEO_TOTAL_LENGTH, GBA_ARM7TDMI_FREQUENCY };
encoder->video->pix_fmt = encoder->pixFormat; encoder->video->pix_fmt = encoder->pixFormat;
encoder->video->gop_size = 15; encoder->video->gop_size = 60;
encoder->video->max_b_frames = 0; encoder->video->max_b_frames = 3;
if (encoder->context->oformat->flags & AVFMT_GLOBALHEADER) { if (encoder->context->oformat->flags & AVFMT_GLOBALHEADER) {
encoder->video->flags |= CODEC_FLAG_GLOBAL_HEADER; encoder->video->flags |= CODEC_FLAG_GLOBAL_HEADER;
} }
if (strcmp(vcodec->name, "libx264") == 0) {
av_opt_set(encoder->video, "tune", "zerolatency", 0);
}
avcodec_open2(encoder->video, vcodec, 0); avcodec_open2(encoder->video, vcodec, 0);
encoder->videoFrame = av_frame_alloc(); encoder->videoFrame = av_frame_alloc();
encoder->videoFrame->format = encoder->video->pix_fmt; encoder->videoFrame->format = encoder->video->pix_fmt;