static int write_frame( hnd_t handle, uint8_t *p_nalu, int i_size, x264_picture_t *p_picture )
{
flv_hnd_t *p_flv = handle;
flv_buffer *c = p_flv->c;
int64_t dts = (int64_t)( (p_picture->i_dts * 1000 * ((double)p_flv->i_timebase_num / p_flv->i_timebase_den)) + 0.5 );
int64_t cts = (int64_t)( (p_picture->i_pts * 1000 * ((double)p_flv->i_timebase_num / p_flv->i_timebase_den)) + 0.5 );
int64_t offset = cts - dts;
unsigned length;
if( p_flv->i_framenum )
{
int64_t prev_dts = (int64_t)( (p_flv->i_prev_dts * 1000 * ((double)p_flv->i_timebase_num / p_flv->i_timebase_den)) + 0.5 );
int64_t prev_cts = (int64_t)( (p_flv->i_prev_pts * 1000 * ((double)p_flv->i_timebase_num / p_flv->i_timebase_den)) + 0.5 );
if( prev_dts == dts )
{
double fps = ((double)p_flv->i_timebase_den / p_flv->i_timebase_num) / (p_picture->i_dts - p_flv->i_prev_dts);
#if _MSC_VER >= 1300
fprintf( stderr, "flv [warning]: duplicate DTS %"PRId64" generated by rounding\n"
" current internal decoding framerate: %.6f fps\n", dts, fps );
#else
fprintf( stderr, "flv [warning]: duplicate DTS %I64d generated by rounding\n"
" current internal decoding framerate: %.6f fps\n", dts, fps );
#endif
}
if( prev_cts == cts )
{
double fps = ((double)p_flv->i_timebase_den / p_flv->i_timebase_num) / (p_picture->i_pts - p_flv->i_prev_pts);
#if _MSC_VER >= 1300
fprintf( stderr, "flv [warning]: duplicate CTS %"PRId64" generated by rounding\n"
" current internal composition framerate: %.6f fps\n", cts, fps );
#else
fprintf( stderr, "flv [warning]: duplicate CTS %I64d generated by rounding\n"
" current internal composition framerate: %.6f fps\n", cts, fps );
#endif
}
}
p_flv->i_prev_dts = p_picture->i_dts;
p_flv->i_prev_pts = p_picture->i_pts;
// A new frame - write packet header
x264_put_byte( c, FLV_TAG_TYPE_VIDEO );
x264_put_be24( c, 0 ); // calculated later
x264_put_be24( c, dts );
x264_put_byte( c, dts >> 24 );
x264_put_be24( c, 0 );
p_flv->start = c->d_cur;
x264_put_byte( c, p_picture->b_keyframe ? FLV_FRAME_KEY : FLV_FRAME_INTER );
x264_put_byte( c, 1 ); // AVC NALU
x264_put_be24( c, offset );
if( p_flv->sei )
{
flv_append_data( c, p_flv->sei, p_flv->sei_len );
free( p_flv->sei );
p_flv->sei = NULL;
}
flv_append_data( c, p_nalu, i_size );
length = c->d_cur - p_flv->start;
rewrite_amf_be24( c, length, p_flv->start - 10 );
x264_put_be32( c, 11 + length ); // Last tag size
CHECK( flv_flush_data( c ) );
p_flv->i_framenum++;
return i_size;
}
static int write_frame( hnd_t handle, uint8_t *p_nalu, int i_size, x264_picture_t *p_picture )
{
flv_hnd_t *p_flv = (flv_hnd_t *)handle;
flv_buffer *c = p_flv->c;
#define convert_timebase_ms( timestamp, timebase ) (int64_t)((timestamp) * (timebase) * 1000 + 0.5)
if( !p_flv->i_framenum )
{
p_flv->i_delay_time = p_picture->i_dts * -1;
if( !p_flv->b_dts_compress && p_flv->i_delay_time )
{
x264_cli_log( "flv", X264_LOG_INFO, "initial delay %I64d ms\n",
convert_timebase_ms( p_picture->i_pts + p_flv->i_delay_time, p_flv->d_timebase ) );
// x264_cli_log( "flv", X264_LOG_INFO, "initial delay %"PRId64" ms\n",
// convert_timebase_ms( p_picture->i_pts + p_flv->i_delay_time, p_flv->d_timebase ) );
}//TODO
}
int64_t dts;
int64_t cts;
int64_t offset;
if( p_flv->b_dts_compress )
{
if( p_flv->i_framenum == 1 )
p_flv->i_init_delta = convert_timebase_ms( p_picture->i_dts + p_flv->i_delay_time, p_flv->d_timebase );
dts = p_flv->i_framenum > p_flv->i_delay_frames
? convert_timebase_ms( p_picture->i_dts, p_flv->d_timebase )
: p_flv->i_framenum * p_flv->i_init_delta / (p_flv->i_delay_frames + 1);
cts = convert_timebase_ms( p_picture->i_pts, p_flv->d_timebase );
}
else
{
dts = convert_timebase_ms( p_picture->i_dts + p_flv->i_delay_time, p_flv->d_timebase );
cts = convert_timebase_ms( p_picture->i_pts + p_flv->i_delay_time, p_flv->d_timebase );
}
offset = cts - dts;
if( p_flv->i_framenum )
{
if( p_flv->i_prev_dts == dts )
{
x264_cli_log( "flv", X264_LOG_WARNING, "duplicate DTS %I64d generated by rounding\n"
" decoding framerate cannot exceed 1000fps\n", dts );
// x264_cli_log( "flv", X264_LOG_WARNING, "duplicate DTS %"PRId64" generated by rounding\n"
// " decoding framerate cannot exceed 1000fps\n", dts );
}
if( p_flv->i_prev_cts == cts )
{
x264_cli_log( "flv", X264_LOG_WARNING, "duplicate CTS %I64d generated by rounding\n"
" composition framerate cannot exceed 1000fps\n", cts );
// x264_cli_log( "flv", X264_LOG_WARNING, "duplicate CTS %"PRId64" generated by rounding\n"
// " composition framerate cannot exceed 1000fps\n", cts );
}
}
p_flv->i_prev_dts = dts;
p_flv->i_prev_cts = cts;
// A new frame - write packet header
flv_put_byte( c, FLV_TAG_TYPE_VIDEO );
flv_put_be24( c, 0 ); // calculated later
flv_put_be24( c, dts );
flv_put_byte( c, dts >> 24 );
flv_put_be24( c, 0 );
p_flv->start = c->d_cur;
flv_put_byte( c, p_picture->b_keyframe ? FLV_FRAME_KEY : FLV_FRAME_INTER );
flv_put_byte( c, 1 ); // AVC NALU
flv_put_be24( c, offset );
if( p_flv->sei )
{
flv_append_data( c, p_flv->sei, p_flv->sei_len );
free( p_flv->sei );
p_flv->sei = NULL;
}
flv_append_data( c, p_nalu, i_size );
unsigned length = c->d_cur - p_flv->start;
flv_rewrite_amf_be24( c, length, p_flv->start - 10 );
flv_put_be32( c, 11 + length ); // Last tag size
CHECK( flv_flush_data( c ) );
p_flv->i_framenum++;
return i_size;
}
