static int OpenEncoder( vlc_object_t *p_this )
{
encoder_t *p_enc = (encoder_t *)p_this;
encoder_sys_t *p_sys;
ogg_packet header;
int status;
if( p_enc->fmt_out.i_codec != VLC_CODEC_DAALA &&
!p_enc->b_force )
{
return VLC_EGENERIC;
}
/* Allocate the memory needed to store the encoder's structure */
p_sys = malloc( sizeof( encoder_sys_t ) );
if( !p_sys )
return VLC_ENOMEM;
p_enc->p_sys = p_sys;
p_enc->pf_encode_video = Encode;
p_enc->fmt_in.i_codec = VLC_CODEC_I420;
p_enc->fmt_out.i_codec = VLC_CODEC_DAALA;
config_ChainParse( p_enc, ENC_CFG_PREFIX, ppsz_enc_options, p_enc->p_cfg );
char *psz_tmp = var_GetString( p_enc, ENC_CFG_PREFIX "chroma-fmt" );
uint32_t i_codec;
if( !psz_tmp ) {
free(p_sys);
return VLC_ENOMEM;
} else {
if( !strcmp( psz_tmp, "420" ) ) {
i_codec = VLC_CODEC_I420;
}
else if( !strcmp( psz_tmp, "444" ) ) {
i_codec = VLC_CODEC_I444;
}
else {
msg_Err( p_enc, "Invalid chroma format: %s", psz_tmp );
free( psz_tmp );
free( p_sys );
return VLC_EGENERIC;
}
free( psz_tmp );
p_enc->fmt_in.i_codec = i_codec;
/* update bits_per_pixel */
video_format_Setup(&p_enc->fmt_in.video, i_codec,
p_enc->fmt_in.video.i_width,
p_enc->fmt_in.video.i_height,
p_enc->fmt_in.video.i_visible_width,
p_enc->fmt_in.video.i_visible_height,
p_enc->fmt_in.video.i_sar_num,
p_enc->fmt_in.video.i_sar_den);
}
daala_info_init( &p_sys->di );
p_sys->di.pic_width = p_enc->fmt_in.video.i_visible_width;
p_sys->di.pic_height = p_enc->fmt_in.video.i_visible_height;
p_sys->di.nplanes = 3;
for (int i = 0; i < p_sys->di.nplanes; i++)
{
p_sys->di.plane_info[i].xdec = i > 0 && i_codec != VLC_CODEC_I444;
p_sys->di.plane_info[i].ydec = i_codec == VLC_CODEC_I420 ?
p_sys->di.plane_info[i].xdec : 0;
}
p_sys->di.frame_duration = 1;
if( !p_enc->fmt_in.video.i_frame_rate ||
!p_enc->fmt_in.video.i_frame_rate_base )
{
p_sys->di.timebase_numerator = 25;
p_sys->di.timebase_denominator = 1;
}
else
{
p_sys->di.timebase_numerator = p_enc->fmt_in.video.i_frame_rate;
p_sys->di.timebase_denominator = p_enc->fmt_in.video.i_frame_rate_base;
}
if( p_enc->fmt_in.video.i_sar_num > 0 && p_enc->fmt_in.video.i_sar_den > 0 )
{
unsigned i_dst_num, i_dst_den;
vlc_ureduce( &i_dst_num, &i_dst_den,
p_enc->fmt_in.video.i_sar_num,
p_enc->fmt_in.video.i_sar_den, 0 );
p_sys->di.pixel_aspect_numerator = i_dst_num;
p_sys->di.pixel_aspect_denominator = i_dst_den;
}
else
{
p_sys->di.pixel_aspect_numerator = 4;
p_sys->di.pixel_aspect_denominator = 3;
}
p_sys->di.keyframe_rate = var_GetInteger( p_enc, ENC_CFG_PREFIX "keyint" );
daala_enc_ctx *dcx;
p_sys->dcx = dcx = daala_encode_create( &p_sys->di );
if( !dcx )
{
free( p_sys );
return VLC_ENOMEM;
}
daala_comment_init( &p_sys->dc );
int i_quality = var_GetInteger( p_enc, ENC_CFG_PREFIX "quality" );
daala_encode_ctl( dcx, OD_SET_QUANT, &i_quality, sizeof(i_quality) );
/* Create and store headers */
while( ( status = daala_encode_flush_header( dcx, &p_sys->dc, &header ) ) )
{
if ( status < 0 )
{
CloseEncoder( p_this );
return VLC_EGENERIC;
}
if( xiph_AppendHeaders( &p_enc->fmt_out.i_extra,
&p_enc->fmt_out.p_extra, header.bytes,
header.packet ) )
{
p_enc->fmt_out.i_extra = 0;
p_enc->fmt_out.p_extra = NULL;
}
}
return VLC_SUCCESS;
}
static int open_encoder(struct videnc_state *ves, const struct vidsz *size)
{
daala_info di;
daala_comment dc;
daala_packet dp;
int err = 0;
int complexity = 7;
int video_q = 30;
int bitrate = ves->bitrate;
info("daala: open encoder (%d x %d, %d bps)\n",
size->w, size->h, bitrate);
if (ves->enc) {
debug("daala: re-opening encoder\n");
daala_encode_free(ves->enc);
}
daala_info_init(&di);
daala_comment_init(&dc);
di.pic_width = size->w;
di.pic_height = size->h;
di.timebase_numerator = 1;
di.timebase_denominator = ves->fps;
di.frame_duration = 1;
di.pixel_aspect_numerator = -1;
di.pixel_aspect_denominator = -1;
di.nplanes = 3;
di.plane_info[0].xdec = 0; /* YUV420P */
di.plane_info[0].ydec = 0;
di.plane_info[1].xdec = 1;
di.plane_info[1].ydec = 1;
di.plane_info[2].xdec = 1;
di.plane_info[2].ydec = 1;
di.keyframe_rate = 100;
info("daala: open encoder with bitstream version %u.%u.%u\n",
di.version_major, di.version_minor, di.version_sub);
ves->enc = daala_encode_create(&di);
if (!ves->enc) {
warning("daala: failed to open DAALA encoder\n");
return ENOMEM;
}
daala_encode_ctl(ves->enc, OD_SET_QUANT,
&video_q, sizeof(video_q));
daala_encode_ctl(ves->enc, OD_SET_COMPLEXITY,
&complexity, sizeof(complexity));
daala_encode_ctl(ves->enc, OD_SET_BITRATE,
&bitrate, sizeof(bitrate));
for (;;) {
int r;
r = daala_encode_flush_header(ves->enc, &dc, &dp);
if (r < 0) {
warning("daala: flush_header returned %d\n", r);
break;
}
else if (r == 0)
break;
debug("daala: header: %lld bytes header=%d key=%d\n",
dp.bytes,
daala_packet_isheader(&dp),
daala_packet_iskeyframe(&dp));
#if 0
re_printf("bos=%lld, eos=%lld, granule=%lld, packetno=%lld\n",
dp.b_o_s,
dp.e_o_s,
dp.granulepos,
dp.packetno);
#endif
err = send_packet(ves, dp.b_o_s, dp.packet, dp.bytes);
if (err)
break;
}
daala_info_clear(&di);
daala_comment_clear(&dc);
return err;
}
