static void enc_preprocess(MSFilter* f) {
EncData *d=(EncData*)f->data;
d->packer=rfc3984_new();
rfc3984_set_mode(d->packer,d->mode);
rfc3984_enable_stap_a(d->packer,FALSE);
ms_video_starter_init(&d->starter);
AMediaCodec *codec;
codec = AMediaCodec_createEncoderByType("video/avc");
d->codec = codec;
AMediaFormat *format = AMediaFormat_new();
AMediaFormat_setString(format, "mime", "video/avc");
AMediaFormat_setInt32(format, "width", d->vconf.vsize.width);
AMediaFormat_setInt32(format, "height", d->vconf.vsize.height);
AMediaFormat_setInt32(format, "i-frame-interval", 20);
AMediaFormat_setInt32(format, "color-format", 19);
AMediaFormat_setInt32(format, "bitrate", d->vconf.required_bitrate);
AMediaFormat_setInt32(format, "frame-rate", d->vconf.fps);
AMediaFormat_setInt32(format, "bitrate-mode",1);
media_status_t status = AMediaCodec_configure(d->codec, format, NULL, NULL, AMEDIACODEC_CONFIGURE_FLAG_ENCODE);
if(status != 0){
d->isYUV = FALSE;
AMediaFormat_setInt32(format, "color-format", 21);
AMediaCodec_configure(d->codec, format, NULL, NULL, AMEDIACODEC_CONFIGURE_FLAG_ENCODE);
}
AMediaCodec_start(d->codec);
AMediaFormat_delete(format);
}
static void enc_preprocess(MSFilter *f) {
EncState *s = (EncState *)f->data;
vpx_codec_err_t res;
vpx_codec_caps_t caps;
int cpuused=0;
/* Populate encoder configuration */
s->flags = 0;
caps = vpx_codec_get_caps(s->iface);
if ((s->avpf_enabled == TRUE) && (caps & VPX_CODEC_CAP_OUTPUT_PARTITION)) {
s->flags |= VPX_CODEC_USE_OUTPUT_PARTITION;
}
res = vpx_codec_enc_config_default(s->iface, &s->cfg, 0);
if (res) {
ms_error("Failed to get config: %s", vpx_codec_err_to_string(res));
return;
}
s->cfg.rc_target_bitrate = (unsigned int)(((float)s->vconf.required_bitrate) * 0.92f / 1024.0f); //0.92=take into account IP/UDP/RTP overhead, in average.
s->cfg.g_pass = VPX_RC_ONE_PASS; /* -p 1 */
s->cfg.g_timebase.num = 1;
s->cfg.g_timebase.den = (int)s->vconf.fps;
s->cfg.rc_end_usage = VPX_CBR; /* --end-usage=cbr */
if (s->avpf_enabled == TRUE) {
s->cfg.kf_mode = VPX_KF_DISABLED;
} else {
s->cfg.kf_mode = VPX_KF_AUTO; /* encoder automatically places keyframes */
s->cfg.kf_max_dist = 10 * s->cfg.g_timebase.den; /* 1 keyframe each 10s. */
}
#if TARGET_IPHONE_SIMULATOR
s->cfg.g_threads = 1; /*workaround to remove crash on ipad simulator*/
#else
s->cfg.g_threads = ms_factory_get_cpu_count(f->factory);
#endif
ms_message("VP8 g_threads=%d", s->cfg.g_threads);
s->cfg.rc_undershoot_pct = 95; /* --undershoot-pct=95 */
s->cfg.g_error_resilient = VPX_ERROR_RESILIENT_DEFAULT|VPX_ERROR_RESILIENT_PARTITIONS;
s->cfg.g_lag_in_frames = 0;
#if defined(ANDROID) || (TARGET_OS_IPHONE == 1) || defined(__arm__) || defined(_M_ARM)
cpuused = 10 - s->cfg.g_threads; /*cpu/quality tradeoff: positive values decrease CPU usage at the expense of quality*/
if (cpuused < 7) cpuused = 7; /*values beneath 7 consume too much CPU*/
if( s->cfg.g_threads == 1 ){
/* on mono-core iOS devices, we reduce the quality a bit more due to VP8 being slower with new Clang compilers */
cpuused = 16;
}
#endif
s->cfg.g_w = s->vconf.vsize.width;
s->cfg.g_h = s->vconf.vsize.height;
/* Initialize codec */
res = vpx_codec_enc_init(&s->codec, s->iface, &s->cfg, s->flags);
if (res) {
ms_error("vpx_codec_enc_init failed: %s (%s)", vpx_codec_err_to_string(res), vpx_codec_error_detail(&s->codec));
return;
}
vpx_codec_control(&s->codec, VP8E_SET_CPUUSED, cpuused);
vpx_codec_control(&s->codec, VP8E_SET_STATIC_THRESHOLD, 0);
vpx_codec_control(&s->codec, VP8E_SET_ENABLEAUTOALTREF, !s->avpf_enabled);
vpx_codec_control(&s->codec, VP8E_SET_MAX_INTRA_BITRATE_PCT, 400); /*limite iFrame size to 4 pframe*/
if (s->flags & VPX_CODEC_USE_OUTPUT_PARTITION) {
vpx_codec_control(&s->codec, VP8E_SET_TOKEN_PARTITIONS, 2); /* Output 4 partitions per frame */
} else {
vpx_codec_control(&s->codec, VP8E_SET_TOKEN_PARTITIONS, 0);
}
s->invalid_frame_reported = FALSE;
vp8rtpfmt_packer_init(&s->packer);
if (s->avpf_enabled == TRUE) {
s->force_keyframe = TRUE;
} else if (s->frame_count == 0) {
ms_video_starter_init(&s->starter);
}
s->ready = TRUE;
}
static void h264_enc_preprocess(MSFilter *f) {
VTH264EncCtx *ctx = (VTH264EncCtx *)f->data;
h264_enc_configure(ctx);
ms_video_starter_init(&ctx->starter);
ctx->first_frame = TRUE;
}
