static GstFlowReturn
gst_speex_dec_handle_frame (GstAudioDecoder * bdec, GstBuffer * buf)
{
GstFlowReturn res;
GstSpeexDec *dec;
/* no fancy draining */
if (G_UNLIKELY (!buf))
return GST_FLOW_OK;
dec = GST_SPEEX_DEC (bdec);
/* If we have the streamheader and vorbiscomment from the caps already
* ignore them here */
if (dec->streamheader && dec->vorbiscomment) {
if (memcmp_buffers (dec->streamheader, buf)) {
GST_DEBUG_OBJECT (dec, "found streamheader");
gst_audio_decoder_finish_frame (bdec, NULL, 1);
res = GST_FLOW_OK;
} else if (memcmp_buffers (dec->vorbiscomment, buf)) {
GST_DEBUG_OBJECT (dec, "found vorbiscomments");
gst_audio_decoder_finish_frame (bdec, NULL, 1);
res = GST_FLOW_OK;
} else {
res = gst_speex_dec_parse_data (dec, buf);
}
} else {
/* Otherwise fall back to packet counting and assume that the
* first two packets are the headers. */
switch (dec->packetno) {
case 0:
GST_DEBUG_OBJECT (dec, "counted streamheader");
res = gst_speex_dec_parse_header (dec, buf);
gst_audio_decoder_finish_frame (bdec, NULL, 1);
break;
case 1:
GST_DEBUG_OBJECT (dec, "counted vorbiscomments");
res = gst_speex_dec_parse_comments (dec, buf);
gst_audio_decoder_finish_frame (bdec, NULL, 1);
break;
default:
{
res = gst_speex_dec_parse_data (dec, buf);
break;
}
}
}
dec->packetno++;
return res;
}
static GstFlowReturn
gst_opus_dec_handle_frame (GstAudioDecoder * adec, GstBuffer * buf)
{
GstFlowReturn res;
GstOpusDec *dec;
/* no fancy draining */
if (G_UNLIKELY (!buf))
return GST_FLOW_OK;
dec = GST_OPUS_DEC (adec);
GST_LOG_OBJECT (dec,
"Got buffer ts %" GST_TIME_FORMAT ", duration %" GST_TIME_FORMAT,
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)),
GST_TIME_ARGS (GST_BUFFER_DURATION (buf)));
/* If we have the streamheader and vorbiscomment from the caps already
* ignore them here */
if (dec->streamheader && dec->vorbiscomment) {
if (memcmp_buffers (dec->streamheader, buf)) {
GST_DEBUG_OBJECT (dec, "found streamheader");
gst_audio_decoder_finish_frame (adec, NULL, 1);
res = GST_FLOW_OK;
} else if (memcmp_buffers (dec->vorbiscomment, buf)) {
GST_DEBUG_OBJECT (dec, "found vorbiscomments");
gst_audio_decoder_finish_frame (adec, NULL, 1);
res = GST_FLOW_OK;
} else {
res = opus_dec_chain_parse_data (dec, buf);
}
} else {
/* Otherwise fall back to packet counting and assume that the
* first two packets might be the headers, checking magic. */
switch (dec->packetno) {
case 0:
if (gst_opus_header_is_header (buf, "OpusHead", 8)) {
GST_DEBUG_OBJECT (dec, "found streamheader");
res = gst_opus_dec_parse_header (dec, buf);
gst_audio_decoder_finish_frame (adec, NULL, 1);
} else {
res = opus_dec_chain_parse_data (dec, buf);
}
break;
case 1:
if (gst_opus_header_is_header (buf, "OpusTags", 8)) {
GST_DEBUG_OBJECT (dec, "counted vorbiscomments");
res = gst_opus_dec_parse_comments (dec, buf);
gst_audio_decoder_finish_frame (adec, NULL, 1);
} else {
res = opus_dec_chain_parse_data (dec, buf);
}
break;
default:
{
res = opus_dec_chain_parse_data (dec, buf);
break;
}
}
}
dec->packetno++;
return res;
}
static GstFlowReturn
gst_speex_dec_handle_frame (GstAudioDecoder * bdec, GstBuffer * buf)
{
GstFlowReturn res = GST_FLOW_OK;
GstSpeexDec *dec;
gboolean header_packet = FALSE;
/* no fancy draining */
if (G_UNLIKELY (!buf))
return GST_FLOW_OK;
dec = GST_SPEEX_DEC (bdec);
switch (dec->packetno) {
case 0:
GST_DEBUG_OBJECT (dec, "expecting streamheader");
header_packet = TRUE;
if (!memcmp_buffers (dec->streamheader, buf)) {
res = gst_speex_dec_parse_header (dec, buf);
if (res == GST_FLOW_NO_HEADER) {
header_packet = FALSE;
GST_INFO_OBJECT (dec, "No streamheader in first buffer");
if (dec->streamheader == NULL) {
GST_ERROR_OBJECT (dec, "Can't proceed without a header");
return GST_FLOW_ERROR;
} else {
GST_INFO_OBJECT (dec, "Using streamheader from caps");
}
}
/* we prefer "inband" streamheaders to the ones in caps */
if (res == GST_FLOW_OK) {
GST_DEBUG_OBJECT (dec, "found streamheader");
gst_buffer_replace (&dec->streamheader, buf);
}
}
break;
case 1:
GST_DEBUG_OBJECT (dec, "expecting vorbiscomment");
header_packet = TRUE;
if (!memcmp_buffers (dec->vorbiscomment, buf)) {
res = gst_speex_dec_parse_comments (dec, buf);
if (res == GST_FLOW_NO_HEADER) {
header_packet = FALSE;
GST_INFO_OBJECT (dec, "No vorbisheader in second buffer");
}
if (res == GST_FLOW_OK) {
GST_DEBUG_OBJECT (dec, "found vorbiscomment");
gst_buffer_replace (&dec->vorbiscomment, buf);
}
}
break;
default:
break;
}
if (header_packet)
gst_audio_decoder_finish_frame (bdec, NULL, 1);
else
res = gst_speex_dec_parse_data (dec, buf);
dec->packetno++;
return res;
}