static void PutSPS( decoder_t *p_dec, block_t *p_frag )
{
decoder_sys_t *p_sys = p_dec->p_sys;
const uint8_t *p_buffer = p_frag->p_buffer;
size_t i_buffer = p_frag->i_buffer;
if( !hxxx_strip_AnnexB_startcode( &p_buffer, &i_buffer ) )
return;
h264_sequence_parameter_set_t *p_sps = h264_decode_sps( p_buffer, i_buffer, true );
if( !p_sps )
{
msg_Warn( p_dec, "invalid SPS" );
block_Release( p_frag );
return;
}
p_dec->fmt_out.i_profile = p_sps->i_profile;
p_dec->fmt_out.i_level = p_sps->i_level;
(void) h264_get_picture_size( p_sps, &p_dec->fmt_out.video.i_width,
&p_dec->fmt_out.video.i_height,
&p_dec->fmt_out.video.i_visible_width,
&p_dec->fmt_out.video.i_visible_height );
if( p_sps->vui.i_sar_num != 0 && p_sps->vui.i_sar_den != 0 )
{
p_dec->fmt_out.video.i_sar_num = p_sps->vui.i_sar_num;
p_dec->fmt_out.video.i_sar_den = p_sps->vui.i_sar_den;
}
p_sys->i_log2_max_frame_num = p_sps->i_log2_max_frame_num;
p_sys->b_frame_mbs_only = p_sps->frame_mbs_only_flag;
p_sys->i_pic_order_cnt_type = p_sps->i_pic_order_cnt_type;
p_sys->i_delta_pic_order_always_zero_flag = p_sps->i_delta_pic_order_always_zero_flag;
p_sys->i_log2_max_pic_order_cnt_lsb = p_sps->i_log2_max_pic_order_cnt_lsb;
if( p_sps->vui.b_valid )
{
p_sys->b_timing_info_present_flag = p_sps->vui.b_timing_info_present_flag;
p_sys->i_num_units_in_tick = p_sps->vui.i_num_units_in_tick;
p_sys->i_time_scale = p_sps->vui.i_time_scale;
p_sys->b_fixed_frame_rate = p_sps->vui.b_fixed_frame_rate;
p_sys->b_pic_struct_present_flag = p_sps->vui.b_pic_struct_present_flag;
p_sys->b_cpb_dpb_delays_present_flag = p_sps->vui.b_hrd_parameters_present_flag;
p_sys->i_cpb_removal_delay_length_minus1 = p_sps->vui.i_cpb_removal_delay_length_minus1;
p_sys->i_dpb_output_delay_length_minus1 = p_sps->vui.i_dpb_output_delay_length_minus1;
if( p_sps->vui.b_fixed_frame_rate && !p_dec->fmt_out.video.i_frame_rate_base )
{
p_dec->fmt_out.video.i_frame_rate_base = p_sps->vui.i_num_units_in_tick;
p_dec->fmt_out.video.i_frame_rate = p_sps->vui.i_time_scale >> 1 /* num_clock_ts == 2 */;
}
static void ActivateSets( decoder_t *p_dec, const h264_sequence_parameter_set_t *p_sps,
const h264_picture_parameter_set_t *p_pps )
{
decoder_sys_t *p_sys = p_dec->p_sys;
p_sys->p_active_pps = p_pps;
p_sys->p_active_sps = p_sps;
if( p_sps )
{
p_dec->fmt_out.i_profile = p_sps->i_profile;
p_dec->fmt_out.i_level = p_sps->i_level;
(void) h264_get_picture_size( p_sps, &p_dec->fmt_out.video.i_width,
&p_dec->fmt_out.video.i_height,
&p_dec->fmt_out.video.i_visible_width,
&p_dec->fmt_out.video.i_visible_height );
if( p_sps->vui.i_sar_num != 0 && p_sps->vui.i_sar_den != 0 )
{
p_dec->fmt_out.video.i_sar_num = p_sps->vui.i_sar_num;
p_dec->fmt_out.video.i_sar_den = p_sps->vui.i_sar_den;
}
if( p_sps->vui.b_valid )
{
if( !p_dec->fmt_in.video.i_frame_rate_base &&
p_sps->vui.i_num_units_in_tick > 0 && p_sps->vui.i_time_scale > 1 )
{
const unsigned i_rate_base = p_sps->vui.i_num_units_in_tick;
const unsigned i_rate = p_sps->vui.i_time_scale >> 1; /* num_clock_ts == 2 */
if( i_rate_base != p_dec->fmt_out.video.i_frame_rate_base ||
i_rate != p_dec->fmt_out.video.i_frame_rate )
{
p_dec->fmt_out.video.i_frame_rate_base = i_rate_base;
p_dec->fmt_out.video.i_frame_rate = i_rate;
date_Change( &p_sys->dts, p_sps->vui.i_time_scale, p_sps->vui.i_num_units_in_tick );
}
}
if( p_dec->fmt_in.video.primaries == COLOR_PRIMARIES_UNDEF )
h264_get_colorimetry( p_sps, &p_dec->fmt_out.video.primaries,
&p_dec->fmt_out.video.transfer,
&p_dec->fmt_out.video.space,
&p_dec->fmt_out.video.b_color_range_full );
}
}
}
