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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-17 22:06:41 +00:00
amrparse: use (default) time handling of baseparser class
This commit is contained in:
parent
502011501b
commit
15f1b7e97f
2 changed files with 3 additions and 182 deletions
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@ -88,12 +88,6 @@ gboolean gst_amrparse_check_valid_frame (GstBaseParse * parse,
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GstFlowReturn gst_amrparse_parse_frame (GstBaseParse * parse,
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GstFlowReturn gst_amrparse_parse_frame (GstBaseParse * parse,
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GstBuffer * buffer);
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GstBuffer * buffer);
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gboolean gst_amrparse_convert (GstBaseParse * parse,
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GstFormat src_format,
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gint64 src_value, GstFormat dest_format, gint64 * dest_value);
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gboolean gst_amrparse_event (GstBaseParse * parse, GstEvent * event);
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#define _do_init(bla) \
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#define _do_init(bla) \
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GST_DEBUG_CATEGORY_INIT (gst_amrparse_debug, "amrparse", 0, \
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GST_DEBUG_CATEGORY_INIT (gst_amrparse_debug, "amrparse", 0, \
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"AMR-NB audio stream parser");
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"AMR-NB audio stream parser");
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@ -140,8 +134,6 @@ gst_amrparse_class_init (GstAmrParseClass * klass)
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parse_class->start = GST_DEBUG_FUNCPTR (gst_amrparse_start);
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parse_class->start = GST_DEBUG_FUNCPTR (gst_amrparse_start);
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parse_class->stop = GST_DEBUG_FUNCPTR (gst_amrparse_stop);
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parse_class->stop = GST_DEBUG_FUNCPTR (gst_amrparse_stop);
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parse_class->event = GST_DEBUG_FUNCPTR (gst_amrparse_event);
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parse_class->convert = GST_DEBUG_FUNCPTR (gst_amrparse_convert);
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parse_class->set_sink_caps = GST_DEBUG_FUNCPTR (gst_amrparse_sink_setcaps);
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parse_class->set_sink_caps = GST_DEBUG_FUNCPTR (gst_amrparse_sink_setcaps);
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parse_class->parse_frame = GST_DEBUG_FUNCPTR (gst_amrparse_parse_frame);
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parse_class->parse_frame = GST_DEBUG_FUNCPTR (gst_amrparse_parse_frame);
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parse_class->check_valid_frame =
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parse_class->check_valid_frame =
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@ -160,7 +152,6 @@ gst_amrparse_init (GstAmrParse * amrparse, GstAmrParseClass * klass)
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{
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{
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/* init rest */
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/* init rest */
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gst_base_parse_set_min_frame_size (GST_BASE_PARSE (amrparse), 62);
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gst_base_parse_set_min_frame_size (GST_BASE_PARSE (amrparse), 62);
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amrparse->ts = 0;
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GST_DEBUG ("initialized");
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GST_DEBUG ("initialized");
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}
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}
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@ -247,47 +238,11 @@ gst_amrparse_sink_setcaps (GstBaseParse * parse, GstCaps * caps)
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}
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}
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amrparse->need_header = FALSE;
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amrparse->need_header = FALSE;
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gst_base_parse_set_frame_props (GST_BASE_PARSE (amrparse), 50, 1, 50);
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gst_amrparse_set_src_caps (amrparse);
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gst_amrparse_set_src_caps (amrparse);
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return TRUE;
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return TRUE;
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}
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}
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/**
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* gst_amrparse_update_duration:
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* @amrparse: #GstAmrParse.
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*
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* Send duration information to base class.
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*/
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static void
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gst_amrparse_update_duration (GstAmrParse * amrparse)
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{
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GstPad *peer;
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GstBaseParse *parse;
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parse = GST_BASE_PARSE (amrparse);
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/* Cannot estimate duration. No data has been passed to us yet */
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if (!amrparse->framecount) {
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return;
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}
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peer = gst_pad_get_peer (parse->sinkpad);
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if (peer) {
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GstFormat pformat = GST_FORMAT_BYTES;
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guint64 bpf = amrparse->bytecount / amrparse->framecount;
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gboolean qres = FALSE;
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gint64 ptot;
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qres = gst_pad_query_duration (peer, &pformat, &ptot);
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gst_object_unref (GST_OBJECT (peer));
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if (qres && bpf) {
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gst_base_parse_set_duration (parse, GST_FORMAT_TIME,
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AMR_FRAME_DURATION * ptot / bpf);
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}
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}
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}
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/**
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/**
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* gst_amrparse_parse_header:
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* gst_amrparse_parse_header:
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* @amrparse: #GstAmrParse
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* @amrparse: #GstAmrParse
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@ -348,15 +303,11 @@ gst_amrparse_check_valid_frame (GstBaseParse * parse,
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GST_LOG ("buffer: %d bytes", dsize);
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GST_LOG ("buffer: %d bytes", dsize);
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if (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DISCONT)) {
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/* Discontinuous stream -> drop the sync */
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amrparse->sync = FALSE;
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}
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if (amrparse->need_header) {
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if (amrparse->need_header) {
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if (dsize >= AMR_MIME_HEADER_SIZE &&
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if (dsize >= AMR_MIME_HEADER_SIZE &&
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gst_amrparse_parse_header (amrparse, data, skipsize)) {
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gst_amrparse_parse_header (amrparse, data, skipsize)) {
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amrparse->need_header = FALSE;
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amrparse->need_header = FALSE;
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gst_base_parse_set_frame_props (GST_BASE_PARSE (amrparse), 50, 1, 50);
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} else {
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} else {
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GST_WARNING ("media doesn't look like a AMR format");
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GST_WARNING ("media doesn't look like a AMR format");
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}
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}
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@ -378,16 +329,14 @@ gst_amrparse_check_valid_frame (GstBaseParse * parse,
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* to contain a valid header as well (and there is enough data to
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* to contain a valid header as well (and there is enough data to
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* perform this check)
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* perform this check)
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*/
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*/
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if (amrparse->sync || amrparse->eos ||
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if (gst_base_parse_get_sync (parse) || gst_base_parse_get_drain (parse) ||
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(dsize >= fsize && (data[fsize] & 0x83) == 0)) {
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(dsize >= fsize && (data[fsize] & 0x83) == 0)) {
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amrparse->sync = TRUE;
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*framesize = fsize;
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*framesize = fsize;
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return TRUE;
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return TRUE;
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}
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}
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}
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}
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GST_LOG ("sync lost");
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GST_LOG ("sync lost");
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amrparse->sync = FALSE;
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return FALSE;
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return FALSE;
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}
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}
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@ -408,29 +357,6 @@ gst_amrparse_parse_frame (GstBaseParse * parse, GstBuffer * buffer)
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amrparse = GST_AMRPARSE (parse);
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amrparse = GST_AMRPARSE (parse);
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if (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DISCONT)) {
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gint64 btime;
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gboolean r = gst_amrparse_convert (parse, GST_FORMAT_BYTES,
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GST_BUFFER_OFFSET (buffer),
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GST_FORMAT_TIME, &btime);
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if (r) {
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/* FIXME: What to do if the conversion fails? */
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amrparse->ts = btime;
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}
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}
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GST_BUFFER_DURATION (buffer) = AMR_FRAME_DURATION;
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GST_BUFFER_TIMESTAMP (buffer) = amrparse->ts;
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if (GST_CLOCK_TIME_IS_VALID (amrparse->ts)) {
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amrparse->ts += AMR_FRAME_DURATION;
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}
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if (!(++amrparse->framecount % 50)) {
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gst_amrparse_update_duration (amrparse);
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}
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amrparse->bytecount += GST_BUFFER_SIZE (buffer);
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gst_buffer_set_caps (buffer, GST_PAD_CAPS (parse->srcpad));
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gst_buffer_set_caps (buffer, GST_PAD_CAPS (parse->srcpad));
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return GST_FLOW_OK;
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return GST_FLOW_OK;
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}
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}
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@ -453,11 +379,6 @@ gst_amrparse_start (GstBaseParse * parse)
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GST_DEBUG ("start");
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GST_DEBUG ("start");
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amrparse->need_header = TRUE;
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amrparse->need_header = TRUE;
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amrparse->header = 0;
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amrparse->header = 0;
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amrparse->sync = TRUE;
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amrparse->eos = FALSE;
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amrparse->framecount = 0;
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amrparse->bytecount = 0;
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amrparse->ts = 0;
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return TRUE;
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return TRUE;
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}
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}
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@ -479,100 +400,5 @@ gst_amrparse_stop (GstBaseParse * parse)
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GST_DEBUG ("stop");
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GST_DEBUG ("stop");
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amrparse->need_header = TRUE;
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amrparse->need_header = TRUE;
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amrparse->header = 0;
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amrparse->header = 0;
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amrparse->ts = -1;
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return TRUE;
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return TRUE;
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}
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}
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/**
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* gst_amrparse_event:
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* @parse: #GstBaseParse.
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* @event: #GstEvent.
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*
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* Implementation of "event" vmethod in #GstBaseParse class.
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*
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* Returns: TRUE if the event was handled and can be dropped.
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*/
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gboolean
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gst_amrparse_event (GstBaseParse * parse, GstEvent * event)
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{
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GstAmrParse *amrparse;
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amrparse = GST_AMRPARSE (parse);
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GST_DEBUG ("event");
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switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_EOS:
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amrparse->eos = TRUE;
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GST_DEBUG ("EOS event");
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break;
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default:
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break;
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}
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return parent_class->event (parse, event);
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}
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/**
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* gst_amrparse_convert:
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* @parse: #GstBaseParse.
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* @src_format: #GstFormat describing the source format.
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* @src_value: Source value to be converted.
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* @dest_format: #GstFormat defining the converted format.
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* @dest_value: Pointer where the conversion result will be put.
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*
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* Implementation of "convert" vmethod in #GstBaseParse class.
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*
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* Returns: TRUE if conversion was successful.
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*/
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gboolean
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gst_amrparse_convert (GstBaseParse * parse,
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GstFormat src_format,
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gint64 src_value, GstFormat dest_format, gint64 * dest_value)
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{
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gboolean ret = FALSE;
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GstAmrParse *amrparse;
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gfloat bpf;
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amrparse = GST_AMRPARSE (parse);
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/* We are not able to do any estimations until some data has been passed */
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if (!amrparse->framecount)
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return FALSE;
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bpf = (gfloat) amrparse->bytecount / amrparse->framecount;
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if (src_format == GST_FORMAT_BYTES) {
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if (dest_format == GST_FORMAT_TIME) {
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/* BYTES -> TIME conversion */
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GST_DEBUG ("converting bytes -> time");
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if (amrparse->framecount) {
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*dest_value = AMR_FRAME_DURATION * (src_value - amrparse->header) / bpf;
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GST_DEBUG ("conversion result: %" G_GINT64_FORMAT " ms",
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*dest_value / GST_MSECOND);
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ret = TRUE;
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}
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}
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} else if (src_format == GST_FORMAT_TIME) {
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GST_DEBUG ("converting time -> bytes");
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if (dest_format == GST_FORMAT_BYTES) {
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if (amrparse->framecount) {
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*dest_value = bpf * src_value / AMR_FRAME_DURATION + amrparse->header;
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GST_DEBUG ("time %" G_GINT64_FORMAT " ms in bytes = %" G_GINT64_FORMAT,
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src_value / GST_MSECOND, *dest_value);
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ret = TRUE;
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}
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}
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} else if (src_format == GST_FORMAT_DEFAULT) {
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/* DEFAULT == frame-based */
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if (dest_format == GST_FORMAT_TIME) {
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*dest_value = src_value * AMR_FRAME_DURATION;
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ret = TRUE;
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} else if (dest_format == GST_FORMAT_BYTES) {
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}
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}
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return ret;
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}
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@ -63,11 +63,6 @@ struct _GstAmrParse {
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gboolean need_header;
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gboolean need_header;
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gint header;
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gint header;
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gboolean wide;
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gboolean wide;
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gboolean eos;
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gboolean sync;
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guint64 framecount;
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guint64 bytecount;
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GstClockTime ts;
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};
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};
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/**
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/**
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