/*****************************************************************************
* OpenDecoder: probe the decoder and return score
*****************************************************************************/
static int OpenDecoder( vlc_object_t *p_this )
{
decoder_t *p_dec = (decoder_t*)p_this;
decoder_sys_t *p_sys;
if( p_dec->fmt_in.i_codec != VLC_CODEC_TARKIN )
{
return VLC_EGENERIC;
}
/* Allocate the memory needed to store the decoder's structure */
if( ( p_dec->p_sys = p_sys =
(decoder_sys_t *)malloc(sizeof(decoder_sys_t)) ) == NULL )
return VLC_ENOMEM;
/* Set output properties */
p_dec->fmt_out.i_cat = VIDEO_ES;
p_sys->i_headers = 0;
/* Set callbacks */
p_dec->pf_decode_video = (picture_t *(*)(decoder_t *, block_t **))
DecodeBlock;
p_dec->pf_packetize = (block_t *(*)(decoder_t *, block_t **))
DecodeBlock;
/* Init supporting Tarkin structures needed in header parsing */
p_sys->tarkin_stream = tarkin_stream_new();
tarkin_info_init( &p_sys->ti );
tarkin_comment_init( &p_sys->tc );
return VLC_SUCCESS;
}
static void
gst_tarkindec_setup (TarkinDec * tarkindec)
{
tarkindec->tarkin_stream = tarkin_stream_new ();
ogg_sync_init (&tarkindec->oy);
ogg_stream_init (&tarkindec->os, 1);
tarkin_info_init (&tarkindec->ti);
tarkin_comment_init (&tarkindec->tc);
tarkindec->setup = TRUE;
}
static void
gst_tarkinenc_setup (TarkinEnc * tarkinenc)
{
gint i;
GstBuffer *outbuf;
ogg_stream_init (&tarkinenc->os, 1);
tarkin_info_init (&tarkinenc->ti);
tarkinenc->ti.inter.numerator = 1;
tarkinenc->ti.inter.denominator = 1;
tarkin_comment_init (&tarkinenc->tc);
tarkin_comment_add_tag (&tarkinenc->tc, "TITLE", "GStreamer produced file");
tarkin_comment_add_tag (&tarkinenc->tc, "ARTIST", "C coders ;)");
tarkinenc->tarkin_stream = tarkin_stream_new ();
tarkin_analysis_init (tarkinenc->tarkin_stream,
&tarkinenc->ti, free_frame, packet_out, (void *) tarkinenc);
tarkin_analysis_add_layer (tarkinenc->tarkin_stream, &tarkinenc->layer[0]);
tarkin_analysis_headerout (tarkinenc->tarkin_stream, &tarkinenc->tc,
tarkinenc->op, &tarkinenc->op[1], &tarkinenc->op[2]);
for (i = 0; i < 3; i++) {
ogg_stream_packetin (&tarkinenc->os, &tarkinenc->op[i]);
}
ogg_stream_flush (&tarkinenc->os, &tarkinenc->og);
tarkinenc->frame_num = 0;
outbuf = gst_buffer_new ();
GST_BUFFER_DATA (outbuf) = tarkinenc->og.header;
GST_BUFFER_SIZE (outbuf) = tarkinenc->og.header_len;
GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_DONTFREE);
gst_pad_push (tarkinenc->srcpad, GST_DATA (outbuf));
outbuf = gst_buffer_new ();
GST_BUFFER_DATA (outbuf) = tarkinenc->og.body;
GST_BUFFER_SIZE (outbuf) = tarkinenc->og.body_len;
GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_DONTFREE);
gst_pad_push (tarkinenc->srcpad, GST_DATA (outbuf));
tarkinenc->setup = TRUE;
}