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FS-7519 fix bitrate translation from FS to av and add some presets

This commit is contained in:
Anthony Minessale 2015-06-18 12:46:28 -05:00
parent 0eada8dc77
commit 7d2468563f
1 changed files with 29 additions and 10 deletions
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39
src/mod/applications/mod_av/avcodec.c
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@ -331,13 +331,9 @@ static switch_status_t open_encoder(h264_codec_context_t *context, uint32_t widt
}
if (context->codec_settings.video.bandwidth) {
context->bandwidth = context->codec_settings.video.bandwidth;
context->bandwidth = context->codec_settings.video.bandwidth * 8;
} else {
context->bandwidth = switch_calc_bitrate(context->codec_settings.video.width, context->codec_settings.video.height, 0, 0);
}
if (context->bandwidth > 5120) {
context->bandwidth = 5120;
context->bandwidth = switch_calc_bitrate(context->codec_settings.video.width, context->codec_settings.video.height, 0, 0) * 8;
}
//context->encoder_ctx->bit_rate = context->bandwidth * 1024;
@ -345,21 +341,44 @@ static switch_status_t open_encoder(h264_codec_context_t *context, uint32_t widt
context->encoder_ctx->height = context->codec_settings.video.height;
/* frames per second */
context->encoder_ctx->time_base = (AVRational){1, 90};
context->encoder_ctx->gop_size = FPS * 10; /* emit one intra frame every 3 seconds */
context->encoder_ctx->max_b_frames = 0;
//context->encoder_ctx->gop_size = FPS * 10; /* emit one intra frame every 3 seconds */
//context->encoder_ctx->max_b_frames = 0;
context->encoder_ctx->pix_fmt = AV_PIX_FMT_YUV420P;
context->encoder_ctx->thread_count = 1;//switch_core_cpu_count() > 4 ? 4 : 1;
context->encoder_ctx->bit_rate = context->bandwidth * 1024;
context->encoder_ctx->rc_max_rate = context->bandwidth * 1024;
context->encoder_ctx->rc_buffer_size = context->bandwidth * 1024 * 2;
context->encoder_ctx->rc_buffer_size = context->bandwidth * 1024 * 4;
context->encoder_ctx->rtp_payload_size = SLICE_SIZE;
context->encoder_ctx->profile = FF_PROFILE_H264_BASELINE;
context->encoder_ctx->level = 31;
context->encoder_ctx->level = 30;
av_opt_set(context->encoder_ctx->priv_data, "preset", "veryfast", 0);
av_opt_set(context->encoder_ctx->priv_data, "tune", "zerolatency", 0);
av_opt_set(context->encoder_ctx->priv_data, "profile", "baseline", 0);
// libx264-medium.ffpreset preset
context->encoder_ctx->coder_type = 1; // coder = 1
context->encoder_ctx->flags|=CODEC_FLAG_LOOP_FILTER; // flags=+loop
context->encoder_ctx->me_cmp|= 1; // cmp=+chroma, where CHROMA = 1
context->encoder_ctx->me_method=ME_HEX; // me_method=hex
context->encoder_ctx->me_subpel_quality = 7; // subq=7
context->encoder_ctx->me_range = 16; // me_range=16
context->encoder_ctx->gop_size = 250; // g=250
context->encoder_ctx->keyint_min = 25; // keyint_min=25
context->encoder_ctx->scenechange_threshold = 40; // sc_threshold=40
context->encoder_ctx->i_quant_factor = 0.71; // i_qfactor=0.71
context->encoder_ctx->b_frame_strategy = 1; // b_strategy=1
context->encoder_ctx->qcompress = 0.6; // qcomp=0.6
context->encoder_ctx->qmin = 10; // qmin=10
context->encoder_ctx->qmax = 51; // qmax=51
context->encoder_ctx->max_qdiff = 4; // qdiff=4
context->encoder_ctx->max_b_frames = 3; // bf=3
context->encoder_ctx->refs = 3; // refs=3
context->encoder_ctx->trellis = 1; // trellis=1
//av_opt_set_int(context->encoder_ctx->priv_data, "slice-max-size", SLICE_SIZE, 0);
if (avcodec_open2(context->encoder_ctx, context->encoder, NULL) < 0) {