static void gst_base_audio_decoder_finalize (GObject * object);
-static gboolean gst_base_audio_decoder_sink_setcaps (GstPad * pad,
- GstCaps * caps);
-static gboolean gst_base_audio_decoder_sink_event (GstPad * pad,
- GstEvent * event);
static gboolean gst_base_audio_decoder_src_event (GstPad * pad,
GstEvent * event);
static GstFlowReturn gst_base_audio_decoder_chain (GstPad * pad,
GstBuffer * buf);
static gboolean gst_base_audio_decoder_sink_query (GstPad * pad,
GstQuery * query);
-static GstStateChangeReturn gst_base_audio_decoder_change_state (GstElement *
- element, GstStateChange transition);
+static gboolean gst_base_audio_decoder_sink_convert (GstPad * pad,
+ GstFormat src_format, gint64 src_value, GstFormat * dest_format,
+ gint64 * dest_value);
static const GstQueryType *gst_base_audio_decoder_get_query_types (GstPad *
pad);
static gboolean gst_base_audio_decoder_src_query (GstPad * pad,
static void gst_base_audio_decoder_reset (GstBaseAudioDecoder *
base_audio_decoder);
-static guint64
-gst_base_audio_decoder_get_timestamp (GstBaseAudioDecoder * base_audio_decoder,
- int picture_number);
-static guint64
-gst_base_audio_decoder_get_field_timestamp (GstBaseAudioDecoder *
- base_audio_decoder, int field_offset);
-static GstAudioFrame *gst_base_audio_decoder_new_frame (GstBaseAudioDecoder *
- base_audio_decoder);
-static void gst_base_audio_decoder_free_frame (GstAudioFrame * frame);
-
GST_BOILERPLATE (GstBaseAudioDecoder, gst_base_audio_decoder,
GstBaseAudioCodec, GST_TYPE_BASE_AUDIO_CODEC);
gst_base_audio_decoder_class_init (GstBaseAudioDecoderClass * klass)
{
GObjectClass *gobject_class;
- GstElementClass *gstelement_class;
gobject_class = G_OBJECT_CLASS (klass);
- gstelement_class = GST_ELEMENT_CLASS (klass);
gobject_class->finalize = gst_base_audio_decoder_finalize;
- gstelement_class->change_state = gst_base_audio_decoder_change_state;
-
parent_class = g_type_class_peek_parent (klass);
}
pad = GST_BASE_AUDIO_CODEC_SINK_PAD (base_audio_decoder);
gst_pad_set_chain_function (pad, gst_base_audio_decoder_chain);
- gst_pad_set_event_function (pad, gst_base_audio_decoder_sink_event);
- gst_pad_set_setcaps_function (pad, gst_base_audio_decoder_sink_setcaps);
gst_pad_set_query_function (pad, gst_base_audio_decoder_sink_query);
pad = GST_BASE_AUDIO_CODEC_SRC_PAD (base_audio_decoder);
gst_pad_set_event_function (pad, gst_base_audio_decoder_src_event);
gst_pad_set_query_type_function (pad, gst_base_audio_decoder_get_query_types);
gst_pad_set_query_function (pad, gst_base_audio_decoder_src_query);
-
- base_audio_decoder->input_adapter = gst_adapter_new ();
- base_audio_decoder->output_adapter = gst_adapter_new ();
-
- gst_segment_init (&base_audio_decoder->state.segment, GST_FORMAT_TIME);
- gst_base_audio_decoder_reset (base_audio_decoder);
-
- base_audio_decoder->current_frame =
- gst_base_audio_decoder_new_frame (base_audio_decoder);
-
- base_audio_decoder->sink_clipping = TRUE;
-}
-
-static gboolean
-gst_base_audio_decoder_sink_setcaps (GstPad * pad, GstCaps * caps)
-{
- GstBaseAudioDecoder *base_audio_decoder;
- GstBaseAudioDecoderClass *base_audio_decoder_class;
- GstStructure *structure;
- const GValue *codec_data;
-
- base_audio_decoder = GST_BASE_AUDIO_DECODER (gst_pad_get_parent (pad));
- base_audio_decoder_class =
- GST_BASE_AUDIO_DECODER_GET_CLASS (base_audio_decoder);
-
- GST_DEBUG ("setcaps %" GST_PTR_FORMAT, caps);
-
- if (base_audio_decoder->codec_data) {
- gst_buffer_unref (base_audio_decoder->codec_data);
- base_audio_decoder->codec_data = NULL;
- }
-
- structure = gst_caps_get_structure (caps, 0);
-
- codec_data = gst_structure_get_value (structure, "codec_data");
- if (codec_data && G_VALUE_TYPE (codec_data) == GST_TYPE_BUFFER) {
- base_audio_decoder->codec_data = gst_value_get_buffer (codec_data);
- }
-
- if (base_audio_decoder_class->start) {
- base_audio_decoder_class->start (base_audio_decoder);
- }
-
- g_object_unref (base_audio_decoder);
-
- return TRUE;
}
static void
gst_base_audio_decoder_finalize (GObject * object)
{
GstBaseAudioDecoder *base_audio_decoder;
- GstBaseAudioDecoderClass *base_audio_decoder_class;
g_return_if_fail (GST_IS_BASE_AUDIO_DECODER (object));
+
+ GST_DEBUG_OBJECT (object, "finalize");
+
base_audio_decoder = GST_BASE_AUDIO_DECODER (object);
- base_audio_decoder_class = GST_BASE_AUDIO_DECODER_GET_CLASS (object);
gst_base_audio_decoder_reset (base_audio_decoder);
- GST_DEBUG_OBJECT (object, "finalize");
-
G_OBJECT_CLASS (parent_class)->finalize (object);
}
+/* FIXME: implement */
static gboolean
-gst_base_audio_decoder_sink_event (GstPad * pad, GstEvent * event)
+gst_base_audio_decoder_src_convert (GstPad * pad, GstFormat src_format,
+ gint64 src_value, GstFormat * dest_format, gint64 * dest_value)
{
- GstBaseAudioDecoder *base_audio_decoder;
- GstBaseAudioDecoderClass *base_audio_decoder_class;
- gboolean ret = FALSE;
+ return TRUE;
+}
- base_audio_decoder = GST_BASE_AUDIO_DECODER (gst_pad_get_parent (pad));
- base_audio_decoder_class =
- GST_BASE_AUDIO_DECODER_GET_CLASS (base_audio_decoder);
+#ifndef GST_DISABLE_INDEX
+static gboolean
+gst_base_audio_decoder_index_seek (GstBaseAudioDecoder *base_audio_decoder,
+ GstIndex *index, GstPad * pad, GstEvent * event)
+{
+ GstIndexEntry *entry;
+ gdouble rate;
+ GstFormat format;
+ GstSeekFlags flags;
+ GstSeekType cur_type, stop_type;
+ gint64 cur, stop;
+ gint index_id;
+ GstBaseAudioCodec *base_audio_codec;
+
+ base_audio_codec = GST_BASE_AUDIO_CODEC (base_audio_decoder);
+
+ gst_event_parse_seek (event, &rate, &format, &flags, &cur_type, &cur,
+ &stop_type, &stop);
+
+ gst_index_get_writer_id (index, GST_OBJECT (base_audio_decoder), &index_id);
+ entry = gst_index_get_assoc_entry (index, index_id,
+ GST_INDEX_LOOKUP_BEFORE, GST_ASSOCIATION_FLAG_KEY_UNIT, format, cur);
+
+ if (entry && gst_pad_is_linked (base_audio_codec->sinkpad)) {
+ const GstFormat *peer_formats, *try_formats;
+
+ /* since we know the exact byteoffset of the frame,
+ make sure to seek on bytes first */
+ const GstFormat try_all_formats[] = {
+ GST_FORMAT_BYTES,
+ GST_FORMAT_TIME,
+ 0
+ };
+
+ try_formats = try_all_formats;
+
+#if 0
+ /* FIXE ME */
+ peer_formats =
+ gst_pad_get_formats (GST_PAD_PEER (base_audio_codec->sinkpad));
+#else
+ peer_formats = try_all_formats;
+#endif
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_EOS:
- {
- GstAudioFrame *frame;
-
- frame = g_malloc0 (sizeof (GstAudioFrame));
- frame->presentation_frame_number =
- base_audio_decoder->presentation_frame_number;
- frame->presentation_duration = 0;
- base_audio_decoder->presentation_frame_number++;
-
- base_audio_decoder->frames =
- g_list_append (base_audio_decoder->frames, frame);
- if (base_audio_decoder_class->finish) {
- base_audio_decoder_class->finish (base_audio_decoder, frame);
+ while (gst_formats_contains (peer_formats, *try_formats)) {
+ gint64 value;
+
+ if (gst_index_entry_assoc_map (entry, *try_formats, &value)) {
+ GstEvent *seek_event;
+
+ GST_DEBUG_OBJECT (base_audio_decoder,
+ "index %s %" G_GINT64_FORMAT
+ " -> %s %" G_GINT64_FORMAT,
+ gst_format_get_details (format)->nick,
+ cur,
+ gst_format_get_details (*try_formats)->nick,
+ value);
+
+ seek_event = gst_event_new_seek (rate, *try_formats, flags,
+ cur_type, value, stop_type, stop);
+
+ if (gst_pad_push_event (base_audio_codec->sinkpad, seek_event)) {
+ return TRUE;
+ }
}
- ret =
- gst_pad_push_event (GST_BASE_AUDIO_CODEC_SRC_PAD (base_audio_decoder),
- event);
+ try_formats++;
}
- break;
- case GST_EVENT_NEWSEGMENT:
- {
- gboolean update;
- double rate;
- double applied_rate;
- GstFormat format;
- gint64 start;
- gint64 stop;
- gint64 position;
-
- gst_event_parse_new_segment_full (event, &update, &rate,
- &applied_rate, &format, &start, &stop, &position);
-
- if (format != GST_FORMAT_TIME)
- goto newseg_wrong_format;
-
- GST_DEBUG ("new segment %lld %lld", start, position);
-
- gst_segment_set_newsegment_full (&base_audio_decoder->state.segment,
- update, rate, applied_rate, format, start, stop, position);
-
- ret =
- gst_pad_push_event (GST_BASE_AUDIO_CODEC_SRC_PAD (base_audio_decoder),
- event);
- }
- break;
- default:
- /* FIXME this changes the order of events */
- ret =
- gst_pad_push_event (GST_BASE_AUDIO_CODEC_SRC_PAD (base_audio_decoder),
- event);
- break;
}
-done:
- gst_object_unref (base_audio_decoder);
- return ret;
-
-newseg_wrong_format:
- {
- GST_DEBUG_OBJECT (base_audio_decoder, "received non TIME newsegment");
- gst_event_unref (event);
- goto done;
- }
+ return FALSE;
}
+#endif
static gboolean
-gst_base_audio_decoder_src_event (GstPad * pad, GstEvent * event)
-{
- GstBaseAudioDecoder *base_audio_decoder;
- gboolean res = FALSE;
-
- base_audio_decoder = GST_BASE_AUDIO_DECODER (gst_pad_get_parent (pad));
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_SEEK:
- {
- GstFormat format, tformat;
- gdouble rate;
- GstEvent *real_seek;
- GstSeekFlags flags;
- GstSeekType cur_type, stop_type;
- gint64 cur, stop;
- gint64 tcur, tstop;
-
- gst_event_parse_seek (event, &rate, &format, &flags, &cur_type,
- &cur, &stop_type, &stop);
- gst_event_unref (event);
-
- tformat = GST_FORMAT_TIME;
- res =
- gst_base_audio_decoder_src_convert (pad, format, cur, &tformat,
- &tcur);
- if (!res)
- goto convert_error;
- res =
- gst_base_audio_decoder_src_convert (pad, format, stop, &tformat,
- &tstop);
- if (!res)
- goto convert_error;
-
- real_seek = gst_event_new_seek (rate, GST_FORMAT_TIME,
- flags, cur_type, tcur, stop_type, tstop);
-
- res =
- gst_pad_push_event (GST_BASE_AUDIO_CODEC_SINK_PAD
- (base_audio_decoder), real_seek);
-
- break;
- }
- case GST_EVENT_QOS:
- {
- gdouble proportion;
- GstClockTimeDiff diff;
- GstClockTime timestamp;
-
- gst_event_parse_qos (event, &proportion, &diff, ×tamp);
-
- GST_OBJECT_LOCK (base_audio_decoder);
- base_audio_decoder->proportion = proportion;
- base_audio_decoder->earliest_time = timestamp + diff;
- GST_OBJECT_UNLOCK (base_audio_decoder);
+gst_base_audio_decoder_normal_seek (GstBaseAudioDecoder *base_audio_decoder,
+ GstPad *pad, GstEvent *event)
+{
+ gdouble rate;
+ GstFormat format, conv;
+ GstSeekFlags flags;
+ GstSeekType cur_type, stop_type;
+ gint64 cur, stop;
+ gint64 time_cur, bytes_cur;
+ gint64 time_stop, bytes_stop;
+ gboolean res;
+ GstEvent *peer_event;
+ GstBaseAudioDecoderClass *base_audio_decoder_class;
+ GstBaseAudioCodec *base_audio_codec;
- GST_DEBUG_OBJECT (base_audio_decoder,
- "got QoS %" GST_TIME_FORMAT ", %" G_GINT64_FORMAT ", %g",
- GST_TIME_ARGS (timestamp), diff, proportion);
+ base_audio_codec = GST_BASE_AUDIO_CODEC (base_audio_decoder);
+ base_audio_decoder_class =
+ GST_BASE_AUDIO_DECODER_GET_CLASS (base_audio_decoder);
- res =
- gst_pad_push_event (GST_BASE_AUDIO_CODEC_SINK_PAD
- (base_audio_decoder), event);
- break;
- }
- default:
- res =
- gst_pad_push_event (GST_BASE_AUDIO_CODEC_SINK_PAD
- (base_audio_decoder), event);
- break;
+ gst_event_parse_seek (event, &rate, &format, &flags, &cur_type, &cur,
+ &stop_type, &stop);
+
+ res = FALSE;
+
+ /* Try to seek in time */
+ conv = GST_FORMAT_TIME;
+ if (!gst_base_audio_decoder_src_convert (pad, format, cur, &conv, &time_cur))
+ goto convert_failed;
+ if (!gst_base_audio_decoder_src_convert (pad, format, stop, &conv, &time_stop))
+ goto convert_failed;
+
+ GST_DEBUG ("seek to time %" GST_TIME_FORMAT "-%" GST_TIME_FORMAT,
+ GST_TIME_ARGS (time_cur), GST_TIME_ARGS (time_stop));
+
+ peer_event = gst_event_new_seek (rate, GST_FORMAT_TIME, flags,
+ cur_type, time_cur, stop_type, time_stop);
+
+ res = gst_pad_push_event (base_audio_codec->sinkpad, peer_event);
+
+ /* Try seek in bytes if seek in time failed */
+ if (!res) {
+ conv = GST_FORMAT_BYTES;
+ if (!gst_base_audio_decoder_sink_convert (pad, GST_FORMAT_TIME, time_cur,
+ &conv, &bytes_cur))
+ goto convert_failed;
+ if (!gst_base_audio_decoder_sink_convert (pad, GST_FORMAT_TIME, time_stop,
+ &conv, &bytes_stop))
+ goto convert_failed;
+
+ peer_event =
+ gst_event_new_seek (rate, GST_FORMAT_BYTES, flags, cur_type, bytes_cur,
+ stop_type, bytes_stop);
+
+ res = gst_pad_push_event (base_audio_codec->sinkpad, peer_event);
}
-done:
- gst_object_unref (base_audio_decoder);
+
return res;
-convert_error:
- GST_DEBUG_OBJECT (base_audio_decoder, "could not convert format");
- goto done;
+ /* ERRORS */
+ convert_failed:
+ {
+ GST_DEBUG_OBJECT (base_audio_decoder, "failed to convert format %u", format);
+ return FALSE;
+ }
}
-
-#if 0
static gboolean
-gst_base_audio_decoder_sink_convert (GstPad * pad,
- GstFormat src_format, gint64 src_value,
- GstFormat * dest_format, gint64 * dest_value)
+gst_base_audio_decoder_seek (GstBaseAudioDecoder *base_audio_decoder,
+ GstPad *pad, GstEvent *event)
{
- gboolean res = TRUE;
- GstBaseAudioDecoder *enc;
-
- if (src_format == *dest_format) {
- *dest_value = src_value;
- return TRUE;
- }
-
- enc = GST_BASE_AUDIO_DECODER (gst_pad_get_parent (pad));
-
- /* FIXME: check if we are in a decoding state */
+ gboolean res;
- switch (src_format) {
- case GST_FORMAT_BYTES:
- switch (*dest_format) {
-#if 0
- case GST_FORMAT_DEFAULT:
- *dest_value = gst_util_uint64_scale_int (src_value, 1,
- enc->bytes_per_picture);
- break;
+#ifndef GST_DISABLE_INDEX
+ GstIndex *index = gst_element_get_index (GST_ELEMENT (base_audio_decoder));
+ if (index) {
+ res = gst_base_audio_decoder_index_seek (base_audio_decoder,
+ index, pad, event);
+ gst_object_unref (index);
+ } else
#endif
- case GST_FORMAT_TIME:
- /* seems like a rather silly conversion, implement me if you like */
- default:
- res = FALSE;
- }
- break;
- case GST_FORMAT_DEFAULT:
- switch (*dest_format) {
- case GST_FORMAT_TIME:
- *dest_value = gst_util_uint64_scale (src_value,
- GST_SECOND * enc->fps_d, enc->fps_n);
- break;
-#if 0
- case GST_FORMAT_BYTES:
- *dest_value = gst_util_uint64_scale_int (src_value,
- enc->bytes_per_picture, 1);
- break;
-#endif
- default:
- res = FALSE;
- }
- break;
- default:
- res = FALSE;
- break;
- }
+ res = gst_base_audio_decoder_normal_seek (base_audio_decoder, pad, event);
+
+ return res;
}
-#endif
static gboolean
-gst_base_audio_decoder_src_convert (GstPad * pad,
- GstFormat src_format, gint64 src_value,
- GstFormat * dest_format, gint64 * dest_value)
+gst_base_audio_decoder_src_event (GstPad * pad, GstEvent * event)
{
- gboolean res = TRUE;
- GstBaseAudioDecoder *enc;
+ gboolean res;
+ GstBaseAudioDecoder *base_audio_decoder;
+ GstBaseAudioCodec *base_audio_codec;
+ GstBaseAudioDecoderClass *base_audio_decoder_class;
+
+ base_audio_decoder = GST_BASE_AUDIO_DECODER (GST_PAD_PARENT (pad));
+ base_audio_codec = GST_BASE_AUDIO_CODEC (base_audio_decoder);
+ base_audio_decoder_class =
+ GST_BASE_AUDIO_DECODER_GET_CLASS (base_audio_decoder);
- if (src_format == *dest_format) {
- *dest_value = src_value;
- return TRUE;
+ switch (GST_EVENT_TYPE (event)) {
+ case GST_EVENT_SEEK:{
+ gst_event_ref (event);
+ res = gst_pad_push_event (base_audio_codec->sinkpad, event);
+ if (!res) {
+ res = gst_base_audio_decoder_seek (base_audio_decoder, pad, event);
+ }
+ gst_event_unref (event);
+ break;
}
-
- enc = GST_BASE_AUDIO_DECODER (gst_pad_get_parent (pad));
-
- /* FIXME: check if we are in a encoding state */
-
- GST_DEBUG ("src convert");
- switch (src_format) {
-#if 0
- case GST_FORMAT_DEFAULT:
- switch (*dest_format) {
- case GST_FORMAT_TIME:
- *dest_value = gst_util_uint64_scale (granulepos_to_frame (src_value),
- enc->fps_d * GST_SECOND, enc->fps_n);
- break;
- default:
- res = FALSE;
- }
- break;
- case GST_FORMAT_TIME:
- switch (*dest_format) {
- case GST_FORMAT_DEFAULT:
- {
- *dest_value = gst_util_uint64_scale (src_value,
- enc->fps_n, enc->fps_d * GST_SECOND);
- break;
- }
- default:
- res = FALSE;
- break;
- }
- break;
-#endif
- default:
- res = FALSE;
- break;
+ default:
+ res = gst_pad_push_event (base_audio_codec->sinkpad, event);
+ break;
}
-
- gst_object_unref (enc);
-
return res;
}
enc = GST_BASE_AUDIO_DECODER (gst_pad_get_parent (pad));
- switch GST_QUERY_TYPE
- (query) {
+ switch GST_QUERY_TYPE (query) {
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
return res;
}
+/* FIXME: implement */
static gboolean
-gst_base_audio_decoder_sink_query (GstPad * pad, GstQuery * query)
+gst_base_audio_decoder_sink_convert (GstPad * pad, GstFormat src_format,
+ gint64 src_value, GstFormat * dest_format, gint64 * dest_value)
{
- GstBaseAudioDecoder *base_audio_decoder;
- gboolean res = FALSE;
-
- base_audio_decoder = GST_BASE_AUDIO_DECODER (gst_pad_get_parent (pad));
-
- GST_DEBUG_OBJECT (base_audio_decoder, "sink query fps=%d/%d",
- base_audio_decoder->state.fps_n, base_audio_decoder->state.fps_d);
- switch (GST_QUERY_TYPE (query)) {
- case GST_QUERY_CONVERT:
- {
- GstFormat src_fmt, dest_fmt;
- gint64 src_val, dest_val;
-
- gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
- res = gst_base_audio_rawaudio_convert (&base_audio_decoder->state,
- src_fmt, src_val, &dest_fmt, &dest_val);
- if (!res)
- goto error;
- gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
- break;
- }
- default:
- res = gst_pad_query_default (pad, query);
- break;
- }
-done:
- gst_object_unref (base_audio_decoder);
-
- return res;
-error:
- GST_DEBUG_OBJECT (base_audio_decoder, "query failed");
- goto done;
+ return TRUE;
}
-
-#if 0
+/* FIXME: implement */
static gboolean
-gst_pad_is_negotiated (GstPad * pad)
+gst_base_audio_decoder_sink_query (GstPad * pad, GstQuery * query)
{
- GstCaps *caps;
-
- g_return_val_if_fail (pad != NULL, FALSE);
-
- caps = gst_pad_get_negotiated_caps (pad);
- if (caps) {
- gst_caps_unref (caps);
- return TRUE;
- }
-
- return FALSE;
+ return TRUE;
}
-#endif
static void
gst_base_audio_decoder_reset (GstBaseAudioDecoder * base_audio_decoder)
{
- GstBaseAudioDecoderClass *base_audio_decoder_class;
- GList *g;
+ GstBaseAudioCodecClass *base_audio_codec_class;
+ GstBaseAudioCodec *base_audio_codec;
- base_audio_decoder_class =
- GST_BASE_AUDIO_DECODER_GET_CLASS (base_audio_decoder);
+ base_audio_codec = GST_BASE_AUDIO_CODEC (base_audio_decoder);
+ base_audio_codec_class = GST_BASE_AUDIO_CODEC_GET_CLASS (base_audio_codec);
GST_DEBUG ("reset");
- base_audio_decoder->started = FALSE;
-
- base_audio_decoder->discont = TRUE;
- base_audio_decoder->have_sync = FALSE;
-
- base_audio_decoder->timestamp_offset = GST_CLOCK_TIME_NONE;
- base_audio_decoder->system_frame_number = 0;
- base_audio_decoder->presentation_frame_number = 0;
- base_audio_decoder->last_sink_timestamp = GST_CLOCK_TIME_NONE;
- base_audio_decoder->last_sink_offset_end = GST_CLOCK_TIME_NONE;
- base_audio_decoder->base_picture_number = 0;
- base_audio_decoder->last_timestamp = GST_CLOCK_TIME_NONE;
-
- base_audio_decoder->offset = 0;
-
- if (base_audio_decoder->caps) {
- gst_caps_unref (base_audio_decoder->caps);
- base_audio_decoder->caps = NULL;
- }
-
- if (base_audio_decoder->current_frame) {
- gst_base_audio_decoder_free_frame (base_audio_decoder->current_frame);
- base_audio_decoder->current_frame = NULL;
- }
-
- base_audio_decoder->have_src_caps = FALSE;
-
- for (g = g_list_first (base_audio_decoder->frames); g; g = g_list_next (g)) {
- GstAudioFrame *frame = g->data;
- gst_base_audio_decoder_free_frame (frame);
+ if (base_audio_codec_class->reset) {
+ base_audio_codec_class->reset (base_audio_codec);
}
- g_list_free (base_audio_decoder->frames);
- base_audio_decoder->frames = NULL;
-
- if (base_audio_decoder_class->reset) {
- base_audio_decoder_class->reset (base_audio_decoder);
- }
-}
-
-static GstBuffer *
-gst_adapter_get_buffer (GstAdapter * adapter)
-{
- return gst_buffer_ref (GST_BUFFER (adapter->buflist->data));
-
}
static GstFlowReturn
gst_base_audio_decoder_chain (GstPad * pad, GstBuffer * buf)
{
GstBaseAudioDecoder *base_audio_decoder;
- GstBaseAudioDecoderClass *klass;
- GstBuffer *buffer;
+ GstBaseAudioCodec *base_audio_codec;
+ GstBaseAudioDecoderClass *base_audio_decoder_class;
+ GstBaseAudioCodecClass *base_audio_codec_class;
GstFlowReturn ret;
GST_DEBUG ("chain %lld", GST_BUFFER_TIMESTAMP (buf));
-#if 0
- /* requiring the pad to be negotiated makes it impossible to use
- * oggdemux or filesrc ! decoder */
- if (!gst_pad_is_negotiated (pad)) {
- GST_DEBUG ("not negotiated");
- return GST_FLOW_NOT_NEGOTIATED;
- }
-#endif
-
base_audio_decoder = GST_BASE_AUDIO_DECODER (gst_pad_get_parent (pad));
- klass = GST_BASE_AUDIO_DECODER_GET_CLASS (base_audio_decoder);
+ base_audio_codec = GST_BASE_AUDIO_CODEC (base_audio_decoder);
+ base_audio_decoder_class = GST_BASE_AUDIO_DECODER_GET_CLASS (base_audio_decoder);
+ base_audio_codec_class = GST_BASE_AUDIO_CODEC_GET_CLASS (base_audio_decoder);
GST_DEBUG_OBJECT (base_audio_decoder, "chain");
if (G_UNLIKELY (GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_DISCONT))) {
GST_DEBUG_OBJECT (base_audio_decoder, "received DISCONT buffer");
- if (base_audio_decoder->started) {
+ if (base_audio_codec->started) {
gst_base_audio_decoder_reset (base_audio_decoder);
}
}
- if (!base_audio_decoder->started) {
- klass->start (base_audio_decoder);
- base_audio_decoder->started = TRUE;
+ if (!base_audio_codec->started) {
+ base_audio_codec_class->start (base_audio_codec);
+ base_audio_codec->started = TRUE;
}
- if (GST_BUFFER_TIMESTAMP (buf) != GST_CLOCK_TIME_NONE) {
- GST_DEBUG ("timestamp %lld offset %lld", GST_BUFFER_TIMESTAMP (buf),
- base_audio_decoder->offset);
- base_audio_decoder->last_sink_timestamp = GST_BUFFER_TIMESTAMP (buf);
- }
- if (GST_BUFFER_OFFSET_END (buf) != -1) {
- GST_DEBUG ("gp %lld", GST_BUFFER_OFFSET_END (buf));
- base_audio_decoder->last_sink_offset_end = GST_BUFFER_OFFSET_END (buf);
- }
base_audio_decoder->offset += GST_BUFFER_SIZE (buf);
-#if 0
- if (base_audio_decoder->timestamp_offset == GST_CLOCK_TIME_NONE &&
- GST_BUFFER_TIMESTAMP (buf) != GST_CLOCK_TIME_NONE) {
- GST_DEBUG ("got new offset %lld", GST_BUFFER_TIMESTAMP (buf));
- base_audio_decoder->timestamp_offset = GST_BUFFER_TIMESTAMP (buf);
- }
-#endif
-
- if (base_audio_decoder->current_frame == NULL) {
- base_audio_decoder->current_frame =
- gst_base_audio_decoder_new_frame (base_audio_decoder);
- }
-
- gst_adapter_push (base_audio_decoder->input_adapter, buf);
-
- if (!base_audio_decoder->have_sync) {
- int n, m;
-
- GST_DEBUG ("no sync, scanning");
-
- n = gst_adapter_available (base_audio_decoder->input_adapter);
- m = klass->scan_for_sync (base_audio_decoder, FALSE, 0, n);
-
- if (m >= n) {
- g_warning ("subclass scanned past end %d >= %d", m, n);
- }
-
- gst_adapter_flush (base_audio_decoder->input_adapter, m);
-
- if (m < n) {
- GST_DEBUG ("found possible sync after %d bytes (of %d)", m, n);
-
- /* this is only "maybe" sync */
- base_audio_decoder->have_sync = TRUE;
- }
-
- if (!base_audio_decoder->have_sync) {
- gst_object_unref (base_audio_decoder);
- return GST_FLOW_OK;
- }
- }
-
- /* FIXME: use gst_adapter_prev_timestamp() here instead? */
- buffer = gst_adapter_get_buffer (base_audio_decoder->input_adapter);
-
- base_audio_decoder->buffer_timestamp = GST_BUFFER_TIMESTAMP (buffer);
- gst_buffer_unref (buffer);
+ gst_adapter_push (base_audio_codec->input_adapter, buf);
do {
- ret = klass->parse_data (base_audio_decoder, FALSE);
+ ret = base_audio_decoder_class->parse_data (base_audio_decoder);
} while (ret == GST_FLOW_OK);
if (ret == GST_BASE_AUDIO_DECODER_FLOW_NEED_DATA) {
gst_object_unref (base_audio_decoder);
return ret;
}
-
-static GstStateChangeReturn
-gst_base_audio_decoder_change_state (GstElement * element,
- GstStateChange transition)
-{
- GstBaseAudioDecoder *base_audio_decoder;
- GstBaseAudioDecoderClass *base_audio_decoder_class;
- GstStateChangeReturn ret;
-
- base_audio_decoder = GST_BASE_AUDIO_DECODER (element);
- base_audio_decoder_class = GST_BASE_AUDIO_DECODER_GET_CLASS (element);
-
- switch (transition) {
- default:
- break;
- }
-
- ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
-
- switch (transition) {
- case GST_STATE_CHANGE_PAUSED_TO_READY:
- if (base_audio_decoder_class->stop) {
- base_audio_decoder_class->stop (base_audio_decoder);
- }
- break;
- default:
- break;
- }
-
- return ret;
-}
-
-static void
-gst_base_audio_decoder_free_frame (GstAudioFrame * frame)
-{
- g_return_if_fail (frame != NULL);
-
- if (frame->sink_buffer) {
- gst_buffer_unref (frame->sink_buffer);
- }
-#if 0
- if (frame->src_buffer) {
- gst_buffer_unref (frame->src_buffer);
- }
-#endif
-
- g_free (frame);
-}
-
-static GstAudioFrame *
-gst_base_audio_decoder_new_frame (GstBaseAudioDecoder * base_audio_decoder)
-{
- GstAudioFrame *frame;
-
- frame = g_malloc0 (sizeof (GstAudioFrame));
-
- frame->system_frame_number = base_audio_decoder->system_frame_number;
- base_audio_decoder->system_frame_number++;
-
- frame->decode_frame_number = frame->system_frame_number -
- base_audio_decoder->reorder_depth;
-
- frame->decode_timestamp = -1;
- frame->presentation_timestamp = -1;
- frame->presentation_duration = -1;
- frame->n_fields = 2;
-
- return frame;
-}
-
-GstFlowReturn
-gst_base_audio_decoder_finish_frame (GstBaseAudioDecoder * base_audio_decoder,
- GstAudioFrame * frame)
-{
- GstBaseAudioDecoderClass *base_audio_decoder_class;
- GstBuffer *src_buffer;
-
- GST_DEBUG ("finish frame");
-
- base_audio_decoder_class =
- GST_BASE_AUDIO_DECODER_GET_CLASS (base_audio_decoder);
-
- GST_DEBUG ("finish frame sync=%d pts=%lld", frame->is_sync_point,
- frame->presentation_timestamp);
-
- if (frame->is_sync_point) {
- if (GST_CLOCK_TIME_IS_VALID (frame->presentation_timestamp)) {
- if (frame->presentation_timestamp != base_audio_decoder->timestamp_offset) {
- GST_DEBUG ("sync timestamp %lld diff %lld",
- frame->presentation_timestamp,
- frame->presentation_timestamp -
- base_audio_decoder->state.segment.start);
- base_audio_decoder->timestamp_offset = frame->presentation_timestamp;
- base_audio_decoder->field_index = 0;
- } else {
- /* This case is for one initial timestamp and no others, e.g.,
- * filesrc ! decoder ! xvimagesink */
- GST_WARNING ("sync timestamp didn't change, ignoring");
- frame->presentation_timestamp = GST_CLOCK_TIME_NONE;
- }
- } else {
- GST_WARNING ("sync point doesn't have timestamp");
- if (GST_CLOCK_TIME_IS_VALID (base_audio_decoder->timestamp_offset)) {
- GST_ERROR ("No base timestamp. Assuming frames start at 0");
- base_audio_decoder->timestamp_offset = 0;
- base_audio_decoder->field_index = 0;
- }
- }
- }
- frame->field_index = base_audio_decoder->field_index;
- base_audio_decoder->field_index += frame->n_fields;
-
- if (frame->presentation_timestamp == GST_CLOCK_TIME_NONE) {
- frame->presentation_timestamp =
- gst_base_audio_decoder_get_field_timestamp (base_audio_decoder,
- frame->field_index);
- frame->presentation_duration = GST_CLOCK_TIME_NONE;
- frame->decode_timestamp =
- gst_base_audio_decoder_get_timestamp (base_audio_decoder,
- frame->decode_frame_number);
- }
- if (frame->presentation_duration == GST_CLOCK_TIME_NONE) {
- frame->presentation_duration =
- gst_base_audio_decoder_get_field_timestamp (base_audio_decoder,
- frame->field_index + frame->n_fields) - frame->presentation_timestamp;
- }
-
- if (GST_CLOCK_TIME_IS_VALID (base_audio_decoder->last_timestamp)) {
- if (frame->presentation_timestamp < base_audio_decoder->last_timestamp) {
- GST_WARNING ("decreasing timestamp (%lld < %lld)",
- frame->presentation_timestamp, base_audio_decoder->last_timestamp);
- }
- }
- base_audio_decoder->last_timestamp = frame->presentation_timestamp;
-
- GST_BUFFER_FLAG_UNSET (frame->src_buffer, GST_BUFFER_FLAG_DELTA_UNIT);
- if (base_audio_decoder->state.interlaced) {
-#ifndef GST_AUDIO_BUFFER_TFF
-#define GST_AUDIO_BUFFER_TFF (GST_MINI_OBJECT_FLAG_LAST << 5)
-#endif
-#ifndef GST_AUDIO_BUFFER_RFF
-#define GST_AUDIO_BUFFER_RFF (GST_MINI_OBJECT_FLAG_LAST << 6)
-#endif
-#ifndef GST_AUDIO_BUFFER_ONEFIELD
-#define GST_AUDIO_BUFFER_ONEFIELD (GST_MINI_OBJECT_FLAG_LAST << 7)
-#endif
- int tff = base_audio_decoder->state.top_field_first;
-
- if (frame->field_index & 1) {
- tff ^= 1;
- }
- if (tff) {
- GST_BUFFER_FLAG_SET (frame->src_buffer, GST_AUDIO_BUFFER_TFF);
- } else {
- GST_BUFFER_FLAG_UNSET (frame->src_buffer, GST_AUDIO_BUFFER_TFF);
- }
- GST_BUFFER_FLAG_UNSET (frame->src_buffer, GST_AUDIO_BUFFER_RFF);
- GST_BUFFER_FLAG_UNSET (frame->src_buffer, GST_AUDIO_BUFFER_ONEFIELD);
- if (frame->n_fields == 3) {
- GST_BUFFER_FLAG_SET (frame->src_buffer, GST_AUDIO_BUFFER_RFF);
- } else if (frame->n_fields == 1) {
- GST_BUFFER_FLAG_UNSET (frame->src_buffer, GST_AUDIO_BUFFER_ONEFIELD);
- }
- }
-
- GST_BUFFER_TIMESTAMP (frame->src_buffer) = frame->presentation_timestamp;
- GST_BUFFER_DURATION (frame->src_buffer) = frame->presentation_duration;
- GST_BUFFER_OFFSET (frame->src_buffer) = -1;
- GST_BUFFER_OFFSET_END (frame->src_buffer) = -1;
-
- GST_DEBUG ("pushing frame %lld", frame->presentation_timestamp);
-
- base_audio_decoder->frames =
- g_list_remove (base_audio_decoder->frames, frame);
-
- gst_base_audio_decoder_set_src_caps (base_audio_decoder);
-
- src_buffer = frame->src_buffer;
- frame->src_buffer = NULL;
-
- gst_base_audio_decoder_free_frame (frame);
-
- if (base_audio_decoder->sink_clipping) {
- gint64 start = GST_BUFFER_TIMESTAMP (src_buffer);
- gint64 stop = GST_BUFFER_TIMESTAMP (src_buffer) +
- GST_BUFFER_DURATION (src_buffer);
-
- if (gst_segment_clip (&base_audio_decoder->state.segment, GST_FORMAT_TIME,
- start, stop, &start, &stop)) {
- GST_BUFFER_TIMESTAMP (src_buffer) = start;
- GST_BUFFER_DURATION (src_buffer) = stop - start;
- } else {
- GST_DEBUG ("dropping buffer outside segment");
- gst_buffer_unref (src_buffer);
- return GST_FLOW_OK;
- }
- }
-
- return gst_pad_push (GST_BASE_AUDIO_CODEC_SRC_PAD (base_audio_decoder),
- src_buffer);
-}
-
-int
-gst_base_audio_decoder_get_height (GstBaseAudioDecoder * base_audio_decoder)
-{
- return base_audio_decoder->state.height;
-}
-
-int
-gst_base_audio_decoder_get_width (GstBaseAudioDecoder * base_audio_decoder)
-{
- return base_audio_decoder->state.width;
-}
-
-GstFlowReturn
-gst_base_audio_decoder_end_of_stream (GstBaseAudioDecoder * base_audio_decoder,
- GstBuffer * buffer)
-{
-
- if (base_audio_decoder->frames) {
- GST_DEBUG ("EOS with frames left over");
- }
-
- return gst_pad_push (GST_BASE_AUDIO_CODEC_SRC_PAD (base_audio_decoder),
- buffer);
-}
-
-void
-gst_base_audio_decoder_add_to_frame (GstBaseAudioDecoder * base_audio_decoder,
- int n_bytes)
-{
- GstBuffer *buf;
-
- GST_DEBUG ("add to frame");
-
-#if 0
- if (gst_adapter_available (base_audio_decoder->output_adapter) == 0) {
- GstBuffer *buffer;
-
- buffer =
- gst_adapter_get_orig_buffer_at_offset
- (base_audio_decoder->input_adapter, 0);
- if (buffer) {
- base_audio_decoder->current_frame->presentation_timestamp =
- GST_BUFFER_TIMESTAMP (buffer);
- gst_buffer_unref (buffer);
- }
- }
-#endif
-
- if (n_bytes == 0)
- return;
-
- buf = gst_adapter_take_buffer (base_audio_decoder->input_adapter, n_bytes);
-
- gst_adapter_push (base_audio_decoder->output_adapter, buf);
-}
-
-static guint64
-gst_base_audio_decoder_get_timestamp (GstBaseAudioDecoder * base_audio_decoder,
- int picture_number)
-{
- if (base_audio_decoder->state.fps_d == 0) {
- return -1;
- }
- if (picture_number < base_audio_decoder->base_picture_number) {
- return base_audio_decoder->timestamp_offset -
- (gint64) gst_util_uint64_scale (base_audio_decoder->base_picture_number
- - picture_number, base_audio_decoder->state.fps_d * GST_SECOND,
- base_audio_decoder->state.fps_n);
- } else {
- return base_audio_decoder->timestamp_offset +
- gst_util_uint64_scale (picture_number -
- base_audio_decoder->base_picture_number,
- base_audio_decoder->state.fps_d * GST_SECOND,
- base_audio_decoder->state.fps_n);
- }
-}
-
-static guint64
-gst_base_audio_decoder_get_field_timestamp (GstBaseAudioDecoder *
- base_audio_decoder, int field_offset)
-{
- if (base_audio_decoder->state.fps_d == 0) {
- return GST_CLOCK_TIME_NONE;
- }
- if (field_offset < 0) {
- GST_WARNING ("field offset < 0");
- return GST_CLOCK_TIME_NONE;
- }
- return base_audio_decoder->timestamp_offset +
- gst_util_uint64_scale (field_offset,
- base_audio_decoder->state.fps_d * GST_SECOND,
- base_audio_decoder->state.fps_n * 2);
-}
-
-
-GstFlowReturn
-gst_base_audio_decoder_have_frame (GstBaseAudioDecoder * base_audio_decoder)
-{
- GstAudioFrame *frame = base_audio_decoder->current_frame;
- GstBuffer *buffer;
- GstBaseAudioDecoderClass *base_audio_decoder_class;
- GstFlowReturn ret = GST_FLOW_OK;
- int n_available;
-
- GST_DEBUG ("have_frame");
-
- base_audio_decoder_class =
- GST_BASE_AUDIO_DECODER_GET_CLASS (base_audio_decoder);
-
- n_available = gst_adapter_available (base_audio_decoder->output_adapter);
- if (n_available) {
- buffer = gst_adapter_take_buffer (base_audio_decoder->output_adapter,
- n_available);
- } else {
- buffer = gst_buffer_new_and_alloc (0);
- }
-
- frame->distance_from_sync = base_audio_decoder->distance_from_sync;
- base_audio_decoder->distance_from_sync++;
-
-#if 0
- if (frame->presentation_timestamp == GST_CLOCK_TIME_NONE) {
- frame->presentation_timestamp =
- gst_base_audio_decoder_get_timestamp (base_audio_decoder,
- frame->presentation_frame_number);
- frame->presentation_duration =
- gst_base_audio_decoder_get_timestamp (base_audio_decoder,
- frame->presentation_frame_number + 1) - frame->presentation_timestamp;
- frame->decode_timestamp =
- gst_base_audio_decoder_get_timestamp (base_audio_decoder,
- frame->decode_frame_number);
- }
-#endif
-
-#if 0
- GST_BUFFER_TIMESTAMP (buffer) = frame->presentation_timestamp;
- GST_BUFFER_DURATION (buffer) = frame->presentation_duration;
- if (frame->decode_frame_number < 0) {
- GST_BUFFER_OFFSET (buffer) = 0;
- } else {
- GST_BUFFER_OFFSET (buffer) = frame->decode_timestamp;
- }
- GST_BUFFER_OFFSET_END (buffer) = GST_CLOCK_TIME_NONE;
-#endif
-
- GST_DEBUG ("pts %" GST_TIME_FORMAT,
- GST_TIME_ARGS (frame->presentation_timestamp));
- GST_DEBUG ("dts %" GST_TIME_FORMAT, GST_TIME_ARGS (frame->decode_timestamp));
- GST_DEBUG ("dist %d", frame->distance_from_sync);
-
- if (frame->is_sync_point) {
- GST_BUFFER_FLAG_UNSET (buffer, GST_BUFFER_FLAG_DELTA_UNIT);
- } else {
- GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DELTA_UNIT);
- }
- if (base_audio_decoder->discont) {
- GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DISCONT);
- base_audio_decoder->discont = FALSE;
- }
-
- frame->sink_buffer = buffer;
-
- base_audio_decoder->frames = g_list_append (base_audio_decoder->frames,
- frame);
-
- /* do something with frame */
- ret = base_audio_decoder_class->handle_frame (base_audio_decoder, frame);
- if (!GST_FLOW_IS_SUCCESS (ret)) {
- GST_DEBUG ("flow error!");
- }
-
- /* create new frame */
- base_audio_decoder->current_frame =
- gst_base_audio_decoder_new_frame (base_audio_decoder);
-
- return ret;
-}
-
-GstAudioState *
-gst_base_audio_decoder_get_state (GstBaseAudioDecoder * base_audio_decoder)
-{
- return &base_audio_decoder->state;
-
-}
-
-void
-gst_base_audio_decoder_set_state (GstBaseAudioDecoder * base_audio_decoder,
- GstAudioState * state)
-{
- memcpy (&base_audio_decoder->state, state, sizeof (*state));
-
-}
-
-void
-gst_base_audio_decoder_lost_sync (GstBaseAudioDecoder * base_audio_decoder)
-{
- g_return_if_fail (GST_IS_BASE_AUDIO_DECODER (base_audio_decoder));
-
- GST_DEBUG ("lost_sync");
-
- if (gst_adapter_available (base_audio_decoder->input_adapter) >= 1) {
- gst_adapter_flush (base_audio_decoder->input_adapter, 1);
- }
-
- base_audio_decoder->have_sync = FALSE;
-}
-
-void
-gst_base_audio_decoder_set_sync_point (GstBaseAudioDecoder * base_audio_decoder)
-{
- GST_DEBUG ("set_sync_point");
-
- base_audio_decoder->current_frame->is_sync_point = TRUE;
- base_audio_decoder->distance_from_sync = 0;
-
- base_audio_decoder->current_frame->presentation_timestamp =
- base_audio_decoder->last_sink_timestamp;
-
-
-}
-
-GstAudioFrame *
-gst_base_audio_decoder_get_frame (GstBaseAudioDecoder * base_audio_decoder,
- int frame_number)
-{
- GList *g;
-
- for (g = g_list_first (base_audio_decoder->frames); g; g = g_list_next (g)) {
- GstAudioFrame *frame = g->data;
-
- if (frame->system_frame_number == frame_number) {
- return frame;
- }
- }
-
- return NULL;
-}
-
-void
-gst_base_audio_decoder_set_src_caps (GstBaseAudioDecoder * base_audio_decoder)
-{
- GstCaps *caps;
- GstAudioState *state = &base_audio_decoder->state;
-
- if (base_audio_decoder->have_src_caps)
- return;
-
- caps = gst_audio_format_new_caps (state->format,
- state->width, state->height,
- state->fps_n, state->fps_d, state->par_n, state->par_d);
- gst_caps_set_simple (caps, "interlaced",
- G_TYPE_BOOLEAN, state->interlaced, NULL);
-
- GST_DEBUG ("setting caps %" GST_PTR_FORMAT, caps);
-
- gst_pad_set_caps (GST_BASE_AUDIO_CODEC_SRC_PAD (base_audio_decoder), caps);
-
- base_audio_decoder->have_src_caps = TRUE;
-}
projects / platform / upstream / gstreamer.git / commitdiff