static int
oggz_metric_update (OGGZ * oggz, long serialno)
{
oggz_stream_t * stream;
if (oggz == NULL) return OGGZ_ERR_BAD_OGGZ;
stream = oggz_get_stream (oggz, serialno);
if (stream == NULL) return OGGZ_ERR_BAD_SERIALNO;
/* we divide by the granulerate, ie. mult by gr_d/gr_n, so ensure
* numerator is non-zero */
if (stream->granulerate_n == 0) {
stream->granulerate_n= 1;
stream->granulerate_d = 0;
}
if (stream->granuleshift == 0) {
return oggz_set_metric_internal (oggz, serialno,
oggz_metric_default_linear,
NULL, 1);
} else if (oggz_stream_get_content (oggz, serialno) == OGGZ_CONTENT_DIRAC) {
return oggz_set_metric_internal (oggz, serialno,
oggz_metric_dirac,
NULL, 1);
} else if (oggz_stream_get_content (oggz, serialno) == OGGZ_CONTENT_VP8) {
return oggz_set_metric_internal (oggz, serialno,
oggz_metric_vp8,
NULL, 1);
} else {
return oggz_set_metric_internal (oggz, serialno,
oggz_metric_default_granuleshift,
NULL, 1);
}
}
static int processBegin(oggz_packet *packet, long serialno)
{
int bos = (packet->op.b_o_s != 0);
//int bos = oggz_get_bos(oggz, serialno);
//int bos = (packet->op.packetno == 0);
if (!bos) {
// Not a bitstream start -- move on to header decoding...
if (skeletonStream) {
appState = STATE_SKELETON;
return processSkeleton(packet, serialno);
} else {
appState = STATE_DECODING;
ogvjs_callback_loaded_metadata(videoCodecName, audioCodecName);
return processDecoding(packet, serialno);
}
}
OggzStreamContent content = oggz_stream_get_content(oggz, serialno);
if (!videoStream && content == OGGZ_CONTENT_THEORA) {
videoCodec = content;
videoCodecName = "theora";
videoStream = serialno;
ogvjs_callback_video_packet((const char *)packet->op.packet, packet->op.bytes, -1, -1);
return OGGZ_CONTINUE;
}
if (!audioStream && content == OGGZ_CONTENT_VORBIS) {
audioCodec = content;
audioCodecName = "vorbis";
audioStream = serialno;
ogvjs_callback_audio_packet((const char *)packet->op.packet, packet->op.bytes, -1);
return OGGZ_CONTINUE;
}
if (!audioStream && content == OGGZ_CONTENT_OPUS) {
audioCodec = content;
audioCodecName = "opus";
audioStream = serialno;
ogvjs_callback_audio_packet((const char *)packet->op.packet, packet->op.bytes, -1);
return OGGZ_CONTINUE;
}
if (!skeletonStream && content == OGGZ_CONTENT_SKELETON) {
skeletonStream = serialno;
int ret = oggskel_decode_header(skeleton, &packet->op);
if (ret == 0) {
skeletonHeadersComplete = 1;
} else if (ret > 0) {
// Just keep going
} else {
printf("Invalid ogg skeleton track data? %d\n", ret);
return OGGZ_STOP_ERR;
}
}
return OGGZ_CONTINUE;
}
/* In Flac, OggPCM, Speex, Theora and Vorbis the comment packet will
be second in the stream, i.e. packetno=1, and it will have granulepos=0 */
ogg_packet *
oggz_comments_generate(OGGZ * oggz, long serialno,
int FLAC_final_metadata_block)
{
OggzStreamContent packet_type;
packet_type = oggz_stream_get_content (oggz, serialno);
return oggz_comment_generate (oggz, serialno, packet_type,
FLAC_final_metadata_block);
}
static void
print_codec_name (oggdmux_prc_t * ap_prc, long serialno)
{
if (ap_prc)
{
OggzStreamContent content
= oggz_stream_get_content (ap_prc->p_oggz_, serialno);
const char * p_codec_name = oggz_content_type (content);
TIZ_TRACE (handleOf (ap_prc), "%010lu: codec [%s]", serialno,
p_codec_name != NULL ? p_codec_name : "Unknown");
}
}
static ogg_int64_t
gp_to_granule (OGGZ * oggz, long serialno, ogg_int64_t granulepos)
{
int granuleshift;
ogg_int64_t iframe, pframe, granule;
OggzStreamContent content;
granuleshift = oggz_get_granuleshift (oggz, serialno);
content = oggz_stream_get_content (oggz, serialno);
if (content == OGGZ_CONTENT_VP8) {
granule = granulepos >> granuleshift;
} else {
static int
read_audio_packet (OGGZ * ap_oggz, oggz_packet * ap_zp, long serialno,
void * ap_user_data)
{
oggdmux_prc_t * p_prc = ap_user_data;
int rc = OGGZ_CONTINUE;
assert (ap_user_data);
if (!p_prc->aud_port_disabled_
&& is_audio_content (oggz_stream_get_content (p_prc->p_oggz_, serialno)))
{
rc = read_packet (ap_oggz, ap_zp, serialno, ap_user_data,
ARATELIA_OGG_DEMUXER_AUDIO_PORT_BASE_INDEX);
}
TIZ_TRACE (handleOf (p_prc), "%010lu: rc [%d]", serialno, rc);
return rc;
}
static OMX_ERRORTYPE
set_read_packet_callbacks (oggdmux_prc_t * ap_prc)
{
OMX_ERRORTYPE rc = OMX_ErrorNone;
long serialno = 0;
int n = 0;
int i = 0;
void * p_nth_data = NULL;
assert (ap_prc);
n = oggz_table_size (ap_prc->p_tracks_);
TIZ_TRACE (handleOf (ap_prc), "oggz table size [%d]", n);
for (i = 0; i < n; i++)
{
OggzStreamContent content = OGGZ_CONTENT_UNKNOWN;
p_nth_data = oggz_table_nth (ap_prc->p_tracks_, i, &serialno);
assert (p_nth_data);
print_codec_name (ap_prc, serialno);
content = oggz_stream_get_content (ap_prc->p_oggz_, serialno);
if (is_audio_content (content))
{
TIZ_TRACE (handleOf (ap_prc), "Set read_audio_packet callback");
tiz_check_omx (
set_read_packet_callback (ap_prc, serialno, read_audio_packet));
}
if (is_video_content (content))
{
TIZ_TRACE (handleOf (ap_prc), "Set read_video_packet callback");
tiz_check_omx (
set_read_packet_callback (ap_prc, serialno, read_video_packet));
}
}
if (0 == n)
{
rc = OMX_ErrorFormatNotDetected;
}
return rc;
}
