Commit 2c9f14c5 authored by Gildas Bazin's avatar Gildas Bazin

* modules/mux/mpeg/ts.c: reworked muxing of subtitles ES.

* modules/stream_out/transcode.c: support for subtitles transcoding.
* modules/codec/dvbsub.c: DVB subtitles encoder (developed for Anevia, www.anevia.com).
  + only works on YUVP subpictures for now.
  + not completely spec compliant yet.
parent c57912c9
This diff is collapsed.
...@@ -910,9 +910,7 @@ static int Mux( sout_mux_t *p_mux ) ...@@ -910,9 +910,7 @@ static int Mux( sout_mux_t *p_mux )
{ {
sout_input_t *p_input = p_mux->pp_inputs[i]; sout_input_t *p_input = p_mux->pp_inputs[i];
ts_stream_t *p_stream = (ts_stream_t*)p_input->p_sys; ts_stream_t *p_stream = (ts_stream_t*)p_input->p_sys;
int64_t i_spu_length = 0; int64_t i_spu_delay = 0;
int64_t i_spu_dts = 0;
if( ( p_stream == p_pcr_stream && if( ( p_stream == p_pcr_stream &&
p_stream->i_pes_length < i_shaping_delay ) || p_stream->i_pes_length < i_shaping_delay ) ||
...@@ -933,19 +931,25 @@ static int Mux( sout_mux_t *p_mux ) ...@@ -933,19 +931,25 @@ static int Mux( sout_mux_t *p_mux )
/* spu, only one packet is needed */ /* spu, only one packet is needed */
continue; continue;
} }
else
{
/* Don't mux the SPU yet if it is too early */
block_t *p_spu = block_FifoShow( p_input->p_fifo );
i_spu_delay =
p_spu->i_dts - p_pcr_stream->i_pes_dts;
if( i_spu_delay > 100000 &&
i_spu_delay < I64C(100000000) ) continue;
}
} }
b_ok = VLC_FALSE; b_ok = VLC_FALSE;
p_data = block_FifoGet( p_input->p_fifo ); p_data = block_FifoGet( p_input->p_fifo );
if( p_input->p_fmt->i_codec == VLC_FOURCC('s','u','b','t')) if( p_input->p_fifo->i_depth > 0 &&
{ p_input->p_fmt->i_cat != SPU_ES )
i_spu_length = p_data->i_length;/* save info for SPU */
i_spu_dts = p_data->i_dts;
}
if( p_input->p_fifo->i_depth > 0 )
{ {
block_t *p_next = block_FifoShow( p_input->p_fifo ); block_t *p_next = block_FifoShow( p_input->p_fifo );
p_data->i_length = p_next->i_dts - p_data->i_dts; p_data->i_length = p_next->i_dts - p_data->i_dts;
} }
...@@ -970,19 +974,19 @@ static int Mux( sout_mux_t *p_mux ) ...@@ -970,19 +974,19 @@ static int Mux( sout_mux_t *p_mux )
p_stream->i_pes_used = 0; p_stream->i_pes_used = 0;
p_stream->i_pes_length = 0; p_stream->i_pes_length = 0;
if( p_input->p_fmt->i_cat != SPU_ES )
{
BufferChainClean( p_mux->p_sout, BufferChainClean( p_mux->p_sout,
&p_pcr_stream->chain_pes ); &p_pcr_stream->chain_pes );
p_pcr_stream->i_pes_dts = 0; p_pcr_stream->i_pes_dts = 0;
p_pcr_stream->i_pes_used = 0; p_pcr_stream->i_pes_used = 0;
p_pcr_stream->i_pes_length = 0; p_pcr_stream->i_pes_length = 0;
}
} }
else else
{ {
if( p_input->p_fmt->i_cat == SPU_ES ) if( p_input->p_fmt->i_cat == SPU_ES )
{ {
/* Arbitrary */
p_data->i_length = 1000;
if( p_input->p_fmt->i_codec == if( p_input->p_fmt->i_codec ==
VLC_FOURCC('s','u','b','t') ) VLC_FOURCC('s','u','b','t') )
{ {
...@@ -999,8 +1003,30 @@ static int Mux( sout_mux_t *p_mux ) ...@@ -999,8 +1003,30 @@ static int Mux( sout_mux_t *p_mux )
p_data->p_buffer[p_data->i_buffer -1] == p_data->p_buffer[p_data->i_buffer -1] ==
'\0' ) '\0' )
p_data->i_buffer--; p_data->i_buffer--;
/* Append a empty sub (sub text only) */
if( p_data->i_length > 0 &&
!( p_data->i_buffer == 1 &&
*p_data->p_buffer == ' ' ) )
{
block_t *p_spu = block_New( p_mux, 3 );
p_spu->i_dts = p_spu->i_pts =
p_data->i_dts + p_data->i_length;
p_spu->i_length = 1000;
p_spu->p_buffer[0] = 0;
p_spu->p_buffer[1] = 1;
p_spu->p_buffer[2] = ' ';
E_(EStoPES)( p_mux->p_sout, &p_spu, p_spu,
p_stream->i_stream_id, 1 );
p_data->p_next = p_spu;
} }
} }
p_data->i_length = i_spu_delay;
}
else if( p_data->i_length < 0 || else if( p_data->i_length < 0 ||
p_data->i_length > 2000000 ) p_data->i_length > 2000000 )
{ {
...@@ -1035,25 +1061,6 @@ static int Mux( sout_mux_t *p_mux ) ...@@ -1035,25 +1061,6 @@ static int Mux( sout_mux_t *p_mux )
i_shaping_delay = p_stream->i_pes_length; i_shaping_delay = p_stream->i_pes_length;
p_stream->b_key_frame = 1; p_stream->b_key_frame = 1;
} }
/* Append a empty sub (sub text only) */
if( i_spu_length > 0 )
{
block_t *p_spu = block_New( p_mux, 3 );
p_spu->i_dts = p_spu->i_pts = i_spu_dts +
i_spu_length;
p_spu->i_length = 1000;
p_spu->p_buffer[0] = 0;
p_spu->p_buffer[1] = 1;
p_spu->p_buffer[2] = ' ';
p_stream->i_pes_length += p_spu->i_length;
E_( EStoPES )( p_mux->p_sout, &p_spu, p_spu,
p_stream->i_stream_id, 1 );
BufferChainAppend( &p_stream->chain_pes, p_spu );
}
} }
} }
} }
......
...@@ -2188,6 +2188,11 @@ static int transcode_spu_new( sout_stream_t *p_stream, sout_stream_id_t *id ) ...@@ -2188,6 +2188,11 @@ static int transcode_spu_new( sout_stream_t *p_stream, sout_stream_id_t *id )
msg_Err( p_stream, "cannot find encoder" ); msg_Err( p_stream, "cannot find encoder" );
return VLC_EGENERIC; return VLC_EGENERIC;
} }
id->f_dst.i_extra = id->p_encoder->fmt_out.i_extra;
id->f_dst.p_extra = id->p_encoder->fmt_out.p_extra;
id->f_dst.i_codec = id->p_encoder->fmt_out.i_codec;
id->f_dst.subs = id->p_encoder->fmt_out.subs;
} }
else else
{ {
...@@ -2241,6 +2246,7 @@ static int transcode_spu_process( sout_stream_t *p_stream, ...@@ -2241,6 +2246,7 @@ static int transcode_spu_process( sout_stream_t *p_stream,
{ {
sout_stream_sys_t *p_sys = p_stream->p_sys; sout_stream_sys_t *p_sys = p_stream->p_sys;
subpicture_t *p_subpic; subpicture_t *p_subpic;
*out = NULL;
p_subpic = id->p_decoder->pf_decode_sub( id->p_decoder, &in ); p_subpic = id->p_decoder->pf_decode_sub( id->p_decoder, &in );
if( p_subpic && p_sys->b_soverlay ) if( p_subpic && p_sys->b_soverlay )
...@@ -2262,13 +2268,19 @@ static int transcode_spu_process( sout_stream_t *p_stream, ...@@ -2262,13 +2268,19 @@ static int transcode_spu_process( sout_stream_t *p_stream,
} }
} }
if( !p_sys->b_soverlay && p_subpic ) if( p_subpic && !p_sys->b_soverlay )
{ {
block_t *p_block; block_t *p_block;
p_block = id->p_encoder->pf_encode_sub( id->p_encoder, p_subpic ); p_block = id->p_encoder->pf_encode_sub( id->p_encoder, p_subpic );
if( p_block ) block_ChainAppend( out, p_block ); spu_del_buffer( id->p_decoder, p_subpic );
if( p_block )
{
block_ChainAppend( out, p_block );
return VLC_SUCCESS; return VLC_SUCCESS;
} }
}
return VLC_EGENERIC; return VLC_EGENERIC;
} }
......
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