void set_encoding_quality(struct x264lib_ctx *ctx, int pct)
{
if (ctx->supports_csc_option) {
int new_colour_sampling = get_x264_colour_sampling(ctx, pct);
if (ctx->colour_sampling!=new_colour_sampling) {
//pixel encoding has changed, we must re-init everything:
//printf("set_encoding_quality(%i) old colour_sampling=%i, new colour_sampling %i\n", pct, ctx->colour_sampling, new_colour_sampling);
do_clean_encoder(ctx);
do_init_encoder(ctx, ctx->width , ctx->height, pct, ctx->supports_csc_option);
return;
}
}
if ((ctx->quality & ~0x1)!=(pct & ~0x1)) {
float new_quality = get_x264_quality(pct);
//float old_quality = ctx->x264_quality;
//printf("set_encoding_quality(%i) was %i, new x264 quality %f was %f\n", pct, ctx->quality, new_quality, old_quality);
//only f_rf_constant was changed,
//read new configuration is sufficient
x264_param_t param;
// Retrieve current parameters
x264_encoder_parameters(ctx->encoder, ¶m);
ctx->quality = pct;
ctx->x264_quality = new_quality;
param.rc.f_rf_constant = new_quality;
x264_encoder_reconfig(ctx->encoder, ¶m);
}
int old_csc_algo = ctx->csc_algo;
ctx->csc_algo = get_csc_algo_for_quality(pct);
if (old_csc_algo!=ctx->csc_algo) {
ctx->rgb2yuv = init_encoder_csc(ctx);
}
}
HRESULT CX264Encoder::SetParam(int nBitrate, int nFPS)
{
if(!m_px264Handle)
return false;
if ( nBitrate <= 0 || nFPS <= 0 )
{
LOG(stderr, "ChangeParam(): invalid value\n");
return E_INVALIDARG;
}
if ( nBitrate == m_stEncParam.iBitrate
&& nFPS == m_stEncParam.iFPS )
{
return S_FALSE;
}
//x264_t *h = (x264_t*)m_px264Handle;
//x264_picture_t *pic = (x264_picture_t*)m_pPic;
m_stEncParam.iBitrate = nBitrate;
m_stEncParam.iFPS = nFPS;
x264_param_t st264Param;
ConfigParam( &st264Param );
if ( x264_encoder_reconfig( (x264_t*)m_px264Handle, &st264Param ) < 0 )
{
return false;
}
return true;
}
virtual bool SetBitRate(DWORD maxBitrate, DWORD bufferSize)
{
SetBitRateParams(maxBitrate, bufferSize);
int retVal = x264_encoder_reconfig(x264, ¶mData);
if(retVal < 0)
Log(TEXT("Could not set new encoder bitrate, error value %u"), retVal);
return retVal == 0;
}
static int enc_set_br(MSFilter *f, void *arg) {
EncData *d=(EncData*)f->data;
d->bitrate=*(int*)arg;
if (d->enc) {
ms_filter_lock(f);
apply_bitrate(f,d->bitrate);
if (x264_encoder_reconfig(d->enc,&d->params)!=0) {
ms_error("x264_encoder_reconfig() failed.");
}
ms_filter_unlock(f);
return 0;
}
if (d->bitrate>=1024000) {
d->vsize.width = MS_VIDEO_SIZE_SVGA_W;
d->vsize.height = MS_VIDEO_SIZE_SVGA_H;
d->fps=25;
} else if (d->bitrate>=512000) {
d->vsize.width = MS_VIDEO_SIZE_VGA_W;
d->vsize.height = MS_VIDEO_SIZE_VGA_H;
d->fps=25;
} else if (d->bitrate>=256000) {
d->vsize.width = MS_VIDEO_SIZE_VGA_W;
d->vsize.height = MS_VIDEO_SIZE_VGA_H;
d->fps=15;
} else if (d->bitrate>=170000) {
d->vsize.width=MS_VIDEO_SIZE_QVGA_W;
d->vsize.height=MS_VIDEO_SIZE_QVGA_H;
d->fps=15;
} else if (d->bitrate>=128000) {
d->vsize.width=MS_VIDEO_SIZE_QCIF_W;
d->vsize.height=MS_VIDEO_SIZE_QCIF_H;
d->fps=10;
} else if (d->bitrate>=64000) {
d->vsize.width=MS_VIDEO_SIZE_QCIF_W;
d->vsize.height=MS_VIDEO_SIZE_QCIF_H;
d->fps=7;
} else {
d->vsize.width=MS_VIDEO_SIZE_QCIF_W;
d->vsize.height=MS_VIDEO_SIZE_QCIF_H;
d->fps=5;
}
#if defined (ANDROID) || TARGET_OS_IPHONE==1
d->vsize.width=MS_VIDEO_SIZE_QVGA_W;
d->vsize.height=MS_VIDEO_SIZE_QVGA_H;
d->fps=12;
#endif
ms_message("bitrate requested...: %d (%d x %d)\n", d->bitrate, d->vsize.width, d->vsize.height);
return 0;
}
void change_encoding_speed(struct x264lib_ctx *ctx, int increase)
{
x264_param_t param;
x264_encoder_parameters(ctx->encoder, ¶m);
ctx->encoding_preset -= increase;
if (ctx->encoding_preset < 0)
ctx->encoding_preset = 0;
if (ctx->encoding_preset > 5)
ctx->encoding_preset = 5;
x264_param_default_preset(¶m, x264_preset_names[ctx->encoding_preset], "zerolatency");
//printf("Setting encoding preset %s %d\n", x264_preset_names[ctx->encoding_preset], ctx->encoding_preset);
x264_param_apply_profile(¶m, "baseline");
x264_encoder_reconfig(ctx->encoder, ¶m);
}
static bool obs_x264_update(void *data, obs_data_t *settings)
{
struct obs_x264 *obsx264 = data;
bool success = update_settings(obsx264, settings);
int ret;
if (success) {
ret = x264_encoder_reconfig(obsx264->context, &obsx264->params);
if (ret != 0)
warn("Failed to reconfigure: %d", ret);
return ret == 0;
}
return false;
}
void set_encoding_speed(struct x264lib_ctx *ctx, int pct)
{
x264_param_t param;
x264_encoder_parameters(ctx->encoder, ¶m);
int new_preset = 7-MAX(0, MIN(7, pct/12.5));
if (new_preset==ctx->encoding_preset)
return;
ctx->encoding_preset = new_preset;
//"tune" options: film, animation, grain, stillimage, psnr, ssim, fastdecode, zerolatency
//Multiple tunings can be used if separated by a delimiter in ",./-+"
//however multiple psy tunings cannot be used.
//film, animation, grain, stillimage, psnr, and ssim are psy tunings.
x264_param_default_preset(¶m, x264_preset_names[ctx->encoding_preset], "zerolatency");
x264_param_apply_profile(¶m, "baseline");
x264_encoder_reconfig(ctx->encoder, ¶m);
}
static int enc_set_configuration(MSFilter *f, void *arg) {
EncData *d = (EncData *)f->data;
const MSVideoConfiguration *vconf = (const MSVideoConfiguration *)arg;
if (vconf != &d->vconf) memcpy(&d->vconf, vconf, sizeof(MSVideoConfiguration));
if (d->vconf.required_bitrate > d->vconf.bitrate_limit)
d->vconf.required_bitrate = d->vconf.bitrate_limit;
if (d->enc) {
ms_filter_lock(f);
apply_bitrate(f);
if (x264_encoder_reconfig(d->enc, &d->params) != 0) {
ms_error("x264_encoder_reconfig() failed.");
}
ms_filter_unlock(f);
return 0;
}
ms_message("Video configuration set: bitrate=%dbits/s, fps=%f, vsize=%dx%d", d->vconf.required_bitrate, d->vconf.fps, d->vconf.vsize.width, d->vconf.vsize.height);
return 0;
}
virtual bool SetBitRate(DWORD maxBitrate, DWORD bufferSize)
{
DWORD old_bitrate = paramData.rc.i_vbv_max_bitrate;
DWORD old_buffer = paramData.rc.i_vbv_buffer_size;
SetBitRateParams(maxBitrate, bufferSize);
int retVal = x264_encoder_reconfig(x264, ¶mData);
if (retVal < 0)
Log(TEXT("Could not set new encoder bitrate, error value %u"), retVal);
else
{
String changes;
if (old_bitrate != maxBitrate)
changes << FormattedString(L"bitrate %d->%d", old_bitrate, maxBitrate);
if (old_buffer != bufferSize)
changes << FormattedString(L"%sbuffer size %d->%d", changes.Length() ? L", " : L"", old_buffer, bufferSize);
if (changes)
Log(L"x264: %s", changes.Array());
}
return retVal == 0;
}
static void apply_preset( x264_t *h, int preset )
{
x264_speedcontrol_t *sc = h->sc;
preset = x264_clip3( preset, 0, PRESETS-1 );
//if( preset != sc->preset )
{
const sc_preset_t *s = &presets[preset];
x264_param_t p = sc->user_param;
p.i_frame_reference = s->refs;
p.analyse.inter = s->partitions;
p.analyse.i_subpel_refine = s->subme;
p.analyse.i_me_method = s->me;
p.analyse.i_trellis = s->trellis;
p.analyse.b_mixed_references = s->mix;
p.analyse.b_chroma_me = s->chromame;
p.analyse.f_psy_rd = s->psy_rd;
p.analyse.f_psy_trellis = s->psy_trellis;
x264_encoder_reconfig( h, &p );
sc->preset = preset;
x264_log( h, X264_LOG_DEBUG, "Applying speedcontrol preset %d.\n", preset );
}
}
virtual bool SetBitRate(DWORD maxBitrate, DWORD bufferSize)
{
DWORD old_bitrate = paramData.rc.i_vbv_max_bitrate;
DWORD old_buffer = paramData.rc.i_vbv_buffer_size;
SetBitRateParams(maxBitrate, bufferSize);
int retVal = x264_encoder_reconfig(x264, ¶mData);
if (retVal < 0)
{
DOLOG("Could not set new encoder bitrate, error value " + retVal);
}
else
{
if (old_bitrate != maxBitrate){
DOLOG("bitrate " + old_bitrate + "->" + maxBitrate);
}
if (old_buffer != bufferSize){
DOLOG("bitrate size " + old_buffer + "->" + bufferSize);
}
}
return retVal == 0;
}
static void *start_encoder( void *ptr )
{
obe_vid_enc_params_t *enc_params = ptr;
obe_t *h = enc_params->h;
obe_encoder_t *encoder = enc_params->encoder;
x264_t *s = NULL;
x264_picture_t pic, pic_out;
x264_nal_t *nal;
int i_nal, frame_size = 0, user_sar_width, user_sar_height;
int64_t pts = 0, arrival_time = 0, frame_duration, buffer_duration;
int64_t *pts2;
float buffer_fill;
obe_raw_frame_t *raw_frame;
obe_coded_frame_t *coded_frame;
/* TODO: check for width, height changes */
/* Lock the mutex until we verify and fetch new parameters */
pthread_mutex_lock( &encoder->encoder_mutex );
enc_params->avc_param.pf_log = x264_logger;
s = x264_encoder_open( &enc_params->avc_param );
if( !s )
{
pthread_mutex_unlock( &encoder->encoder_mutex );
fprintf( stderr, "[x264]: encoder configuration failed\n" );
goto end;
}
x264_encoder_parameters( s, &enc_params->avc_param );
encoder->encoder_params = malloc( sizeof(enc_params->avc_param) );
if( !encoder->encoder_params )
{
pthread_mutex_unlock( &encoder->encoder_mutex );
syslog( LOG_ERR, "Malloc failed\n" );
goto end;
}
memcpy( encoder->encoder_params, &enc_params->avc_param, sizeof(enc_params->avc_param) );
encoder->is_ready = 1;
/* XXX: This will need fixing for soft pulldown streams */
frame_duration = av_rescale_q( 1, (AVRational){enc_params->avc_param.i_fps_den, enc_params->avc_param.i_fps_num}, (AVRational){1, OBE_CLOCK} );
buffer_duration = frame_duration * enc_params->avc_param.sc.i_buffer_size;
/* Broadcast because input and muxer can be stuck waiting for encoder */
pthread_cond_broadcast( &encoder->encoder_cv );
pthread_mutex_unlock( &encoder->encoder_mutex );
user_sar_width = enc_params->avc_param.vui.i_sar_width;
user_sar_height = enc_params->avc_param.vui.i_sar_height;
while( 1 )
{
pthread_mutex_lock( &encoder->encoder_mutex );
if( encoder->cancel_thread )
{
pthread_mutex_unlock( &encoder->encoder_mutex );
break;
}
if( !encoder->num_raw_frames )
pthread_cond_wait( &encoder->encoder_cv, &encoder->encoder_mutex );
if( encoder->cancel_thread )
{
pthread_mutex_unlock( &encoder->encoder_mutex );
break;
}
/* Reset the speedcontrol buffer if the source has dropped frames. Otherwise speedcontrol
* stays in an underflow state and is locked to the fastest preset */
pthread_mutex_lock( &h->drop_mutex );
if( h->encoder_drop )
{
pthread_mutex_lock( &h->smoothing_mutex );
h->smoothing_buffer_complete = 0;
pthread_mutex_unlock( &h->smoothing_mutex );
syslog( LOG_INFO, "Speedcontrol reset\n" );
x264_speedcontrol_sync( s, enc_params->avc_param.sc.i_buffer_size, enc_params->avc_param.sc.f_buffer_init, 0 );
h->encoder_drop = 0;
}
pthread_mutex_unlock( &h->drop_mutex );
raw_frame = encoder->frames[0];
pthread_mutex_unlock( &encoder->encoder_mutex );
if( convert_obe_to_x264_pic( &pic, raw_frame ) < 0 )
{
syslog( LOG_ERR, "Malloc failed\n" );
break;
}
/* FIXME: if frames are dropped this might not be true */
pic.i_pts = pts++;
pts2 = malloc( sizeof(int64_t) );
if( !pts2 )
{
syslog( LOG_ERR, "Malloc failed\n" );
break;
}
pts2[0] = raw_frame->pts;
pic.opaque = pts2;
/* If the AFD has changed, then change the SAR. x264 will write the SAR at the next keyframe
* TODO: allow user to force keyframes in order to be frame accurate */
if( raw_frame->sar_width != enc_params->avc_param.vui.i_sar_width ||
raw_frame->sar_height != enc_params->avc_param.vui.i_sar_height )
{
/* If the frame's SAR has been guessed but the user entered a reasonable SAR, then use it.
* Otherwise, use the guessed SAR. */
if( raw_frame->sar_guess && user_sar_width > 0 && user_sar_height > 0 )
{
enc_params->avc_param.vui.i_sar_width = user_sar_width;
enc_params->avc_param.vui.i_sar_height = user_sar_height;
}
else
{
enc_params->avc_param.vui.i_sar_width = raw_frame->sar_width;
enc_params->avc_param.vui.i_sar_height = raw_frame->sar_height;
}
x264_encoder_reconfig( s, &enc_params->avc_param );
}
/* Update speedcontrol based on the system state */
if( h->obe_system == OBE_SYSTEM_TYPE_GENERIC )
{
pthread_mutex_lock( &h->smoothing_mutex );
if( h->smoothing_buffer_complete )
{
/* Wait until a frame is sent out. */
while( !h->smoothing_last_exit_time )
pthread_cond_wait( &h->smoothing_out_cv, &h->smoothing_mutex );
/* time elapsed since last frame was removed */
int64_t last_frame_delta = get_input_clock_in_mpeg_ticks( h ) - h->smoothing_last_exit_time;
if( h->num_smoothing_frames )
{
int64_t frame_durations = h->smoothing_frames[h->num_smoothing_frames-1]->real_dts - h->smoothing_frames[0]->real_dts + frame_duration;
buffer_fill = (float)(frame_durations - last_frame_delta)/buffer_duration;
}
else
buffer_fill = (float)(-1 * last_frame_delta)/buffer_duration;
x264_speedcontrol_sync( s, buffer_fill, enc_params->avc_param.sc.i_buffer_size, 1 );
}
pthread_mutex_unlock( &h->smoothing_mutex );
}
frame_size = x264_encoder_encode( s, &nal, &i_nal, &pic, &pic_out );
arrival_time = raw_frame->arrival_time;
raw_frame->release_data( raw_frame );
raw_frame->release_frame( raw_frame );
remove_frame_from_encode_queue( encoder );
if( frame_size < 0 )
{
syslog( LOG_ERR, "x264_encoder_encode failed\n" );
break;
}
if( frame_size )
{
coded_frame = new_coded_frame( encoder->stream_id, frame_size );
if( !coded_frame )
{
syslog( LOG_ERR, "Malloc failed\n" );
break;
}
memcpy( coded_frame->data, nal[0].p_payload, frame_size );
coded_frame->is_video = 1;
coded_frame->len = frame_size;
coded_frame->cpb_initial_arrival_time = pic_out.hrd_timing.safe_cpb_initial_arrival_time;
coded_frame->cpb_final_arrival_time = pic_out.hrd_timing.cpb_final_arrival_time;
coded_frame->real_dts = pic_out.hrd_timing.cpb_removal_time;
coded_frame->real_pts = pic_out.hrd_timing.dpb_output_time;
pts2 = pic_out.opaque;
coded_frame->pts = pts2[0];
coded_frame->random_access = pic_out.b_keyframe;
coded_frame->priority = IS_X264_TYPE_I( pic_out.i_type );
free( pic_out.opaque );
if( h->obe_system == OBE_SYSTEM_TYPE_LOW_LATENCY )
{
coded_frame->arrival_time = arrival_time;
//printf("\n Encode Latency %"PRIi64" \n", obe_mdate() - coded_frame->arrival_time );
}
add_to_smoothing_queue( h, coded_frame );
}
}
end:
if( s )
x264_encoder_close( s );
free( enc_params );
return NULL;
}
