#include "gstlamemp3enc.h"
#include <gst/gst-i18n-plugin.h>
-#include <gst/pbutils/descriptions.h>
-
/* lame < 3.98 */
#ifndef HAVE_LAME_SET_VBR_QUALITY
#define lame_set_VBR_quality(flags,q) lame_set_VBR_q((flags),(int)(q))
static void gst_lamemp3enc_class_init (GstLameMP3EncClass * klass);
static void gst_lamemp3enc_init (GstLameMP3Enc * gst_lame);
+static gboolean gst_lamemp3enc_start (GstAudioEncoder * enc);
+static gboolean gst_lamemp3enc_stop (GstAudioEncoder * enc);
+static gboolean gst_lamemp3enc_set_format (GstAudioEncoder * enc,
+ GstAudioInfo * info);
+static GstFlowReturn gst_lamemp3enc_handle_frame (GstAudioEncoder * enc,
+ GstBuffer * in_buf);
+static void gst_lamemp3enc_flush (GstAudioEncoder * enc);
+
static void gst_lamemp3enc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_lamemp3enc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
-static gboolean gst_lamemp3enc_sink_event (GstPad * pad, GstEvent * event);
-static GstFlowReturn gst_lamemp3enc_chain (GstPad * pad, GstBuffer * buf);
static gboolean gst_lamemp3enc_setup (GstLameMP3Enc * lame, GstTagList ** tags);
-static GstStateChangeReturn gst_lamemp3enc_change_state (GstElement * element,
- GstStateChange transition);
static GstElementClass *parent_class = NULL;
0,
(GInstanceInitFunc) gst_lamemp3enc_init,
};
- static const GInterfaceInfo preset_info = {
- NULL,
- NULL,
- NULL
- };
gst_lamemp3enc_type =
- g_type_register_static (GST_TYPE_ELEMENT, "GstLameMP3Enc",
+ g_type_register_static (GST_TYPE_AUDIO_ENCODER, "GstLameMP3Enc",
&gst_lamemp3enc_info, 0);
- g_type_add_interface_static (gst_lamemp3enc_type, GST_TYPE_PRESET,
- &preset_info);
}
return gst_lamemp3enc_type;
}
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
+ GstAudioEncoderClass *base_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
+ base_class = (GstAudioEncoderClass *) klass;
parent_class = g_type_class_peek_parent (klass);
gobject_class->get_property = gst_lamemp3enc_get_property;
gobject_class->finalize = gst_lamemp3enc_finalize;
+ base_class->start = GST_DEBUG_FUNCPTR (gst_lamemp3enc_start);
+ base_class->stop = GST_DEBUG_FUNCPTR (gst_lamemp3enc_stop);
+ base_class->set_format = GST_DEBUG_FUNCPTR (gst_lamemp3enc_set_format);
+ base_class->handle_frame = GST_DEBUG_FUNCPTR (gst_lamemp3enc_handle_frame);
+ base_class->flush = GST_DEBUG_FUNCPTR (gst_lamemp3enc_flush);
+
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_TARGET,
g_param_spec_enum ("target", "Target",
"Optimize for quality or bitrate", GST_TYPE_LAMEMP3ENC_TARGET,
- DEFAULT_TARGET, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ DEFAULT_TARGET,
+ G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_BITRATE,
g_param_spec_int ("bitrate", "Bitrate (kb/s)",
"Bitrate in kbit/sec (Only valid if target is bitrate, for CBR one "
"of 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, "
"256 or 320)", 8, 320, DEFAULT_BITRATE,
- G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_CBR,
g_param_spec_boolean ("cbr", "CBR", "Enforce constant bitrate encoding "
"(Only valid if target is bitrate)", DEFAULT_CBR,
- G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_QUALITY,
g_param_spec_float ("quality", "Quality",
"VBR Quality from 0 to 10, 0 being the best "
"(Only valid if target is quality)", 0.0, 9.999,
- DEFAULT_QUALITY, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ DEFAULT_QUALITY,
+ G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass),
ARG_ENCODING_ENGINE_QUALITY, g_param_spec_enum ("encoding-engine-quality",
"Encoding Engine Quality", "Quality/speed of the encoding engine, "
"this does not affect the bitrate!",
GST_TYPE_LAMEMP3ENC_ENCODING_ENGINE_QUALITY,
DEFAULT_ENCODING_ENGINE_QUALITY,
- G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MONO,
g_param_spec_boolean ("mono", "Mono", "Enforce mono encoding",
- DEFAULT_MONO, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ DEFAULT_MONO,
+ G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+}
+
+static void
+gst_lamemp3enc_init (GstLameMP3Enc * lame)
+{
+}
- gstelement_class->change_state =
- GST_DEBUG_FUNCPTR (gst_lamemp3enc_change_state);
+static gboolean
+gst_lamemp3enc_start (GstAudioEncoder * enc)
+{
+ GstLameMP3Enc *lame = GST_LAMEMP3ENC (enc);
+
+ GST_DEBUG_OBJECT (lame, "start");
+ return TRUE;
}
static gboolean
-gst_lamemp3enc_src_setcaps (GstPad * pad, GstCaps * caps)
+gst_lamemp3enc_stop (GstAudioEncoder * enc)
{
- GST_DEBUG_OBJECT (pad, "caps: %" GST_PTR_FORMAT, caps);
+ GstLameMP3Enc *lame = GST_LAMEMP3ENC (enc);
+
+ GST_DEBUG_OBJECT (lame, "stop");
+
+ gst_lamemp3enc_release_memory (lame);
return TRUE;
}
static gboolean
-gst_lamemp3enc_sink_setcaps (GstPad * pad, GstCaps * caps)
+gst_lamemp3enc_set_format (GstAudioEncoder * enc, GstAudioInfo * info)
{
GstLameMP3Enc *lame;
gint out_samplerate;
gint version;
- GstStructure *structure;
GstCaps *othercaps;
+ GstClockTime latency;
GstTagList *tags = NULL;
- lame = GST_LAMEMP3ENC (GST_PAD_PARENT (pad));
- structure = gst_caps_get_structure (caps, 0);
+ lame = GST_LAMEMP3ENC (enc);
- if (!gst_structure_get_int (structure, "rate", &lame->samplerate))
- goto no_rate;
- if (!gst_structure_get_int (structure, "channels", &lame->num_channels))
- goto no_channels;
+ /* parameters already parsed for us */
+ lame->samplerate = GST_AUDIO_INFO_RATE (info);
+ lame->num_channels = GST_AUDIO_INFO_CHANNELS (info);
+
+ /* but we might be asked to reconfigure, so reset */
+ gst_lamemp3enc_release_memory (lame);
GST_DEBUG_OBJECT (lame, "setting up lame");
if (!gst_lamemp3enc_setup (lame, &tags))
"rate", G_TYPE_INT, out_samplerate, NULL);
/* and use these caps */
- gst_pad_set_caps (lame->srcpad, othercaps);
-
- if (tags) {
- gst_pb_utils_add_codec_description_to_tag_list (tags, GST_TAG_CODEC,
- othercaps);
- gst_pb_utils_add_codec_description_to_tag_list (tags, GST_TAG_AUDIO_CODEC,
- othercaps);
- }
-
+ gst_pad_set_caps (GST_AUDIO_ENCODER_SRC_PAD (enc), othercaps);
gst_caps_unref (othercaps);
+ /* base class feedback:
+ * - we will handle buffers, just hand us all available
+ * - report latency */
+ latency = gst_util_uint64_scale_int (lame_get_framesize (lame->lgf),
+ GST_SECOND, lame->samplerate);
+ gst_audio_encoder_set_latency (enc, latency, latency);
+
if (tags)
- gst_element_found_tags_for_pad (GST_ELEMENT_CAST (lame), lame->srcpad,
- tags);
+ gst_audio_encoder_merge_tags (enc, tags, GST_TAG_MERGE_REPLACE);
return TRUE;
-no_rate:
- {
- GST_ERROR_OBJECT (lame, "input caps have no sample rate field");
- return FALSE;
- }
-no_channels:
- {
- GST_ERROR_OBJECT (lame, "input caps have no channels field");
- return FALSE;
- }
zero_output_rate:
{
- GST_ELEMENT_ERROR (lame, LIBRARY, SETTINGS, (NULL),
- ("LAMEMP3ENC decided on a zero sample rate"));
if (tags)
gst_tag_list_free (tags);
+ GST_ELEMENT_ERROR (lame, LIBRARY, SETTINGS, (NULL),
+ ("LAMEMP3ENC decided on a zero sample rate"));
return FALSE;
}
setup_failed:
}
}
-static GstCaps *
-gst_lamemp3enc_sink_getcaps (GstPad * pad)
-{
- const GstCaps *templ_caps;
- GstLameMP3Enc *lame;
- GstCaps *allowed = NULL;
- GstCaps *caps, *filter_caps;
- gint i, j;
-
- lame = GST_LAMEMP3ENC (gst_pad_get_parent (pad));
-
- /* we want to be able to communicate to upstream elements like audioconvert
- * and audioresample any rate/channel restrictions downstream (e.g. muxer
- * only accepting certain sample rates) */
- templ_caps = gst_pad_get_pad_template_caps (pad);
- allowed = gst_pad_get_allowed_caps (lame->srcpad);
- if (!allowed || gst_caps_is_empty (allowed) || gst_caps_is_any (allowed)) {
- caps = gst_caps_copy (templ_caps);
- goto done;
- }
-
- filter_caps = gst_caps_new_empty ();
-
- for (i = 0; i < gst_caps_get_size (templ_caps); i++) {
- GQuark q_name;
-
- q_name = gst_structure_get_name_id (gst_caps_get_structure (templ_caps, i));
-
- /* pick rate + channel fields from allowed caps */
- for (j = 0; j < gst_caps_get_size (allowed); j++) {
- const GstStructure *allowed_s = gst_caps_get_structure (allowed, j);
- const GValue *val;
- GstStructure *s;
-
- s = gst_structure_id_empty_new (q_name);
- if ((val = gst_structure_get_value (allowed_s, "rate")))
- gst_structure_set_value (s, "rate", val);
- if ((val = gst_structure_get_value (allowed_s, "channels")))
- gst_structure_set_value (s, "channels", val);
-
- gst_caps_merge_structure (filter_caps, s);
- }
- }
-
- caps = gst_caps_intersect (filter_caps, templ_caps);
- gst_caps_unref (filter_caps);
-
-done:
-
- gst_caps_replace (&allowed, NULL);
- gst_object_unref (lame);
-
- return caps;
-}
-
-static gint64
-gst_lamemp3enc_get_latency (GstLameMP3Enc * lame)
-{
- return gst_util_uint64_scale_int (lame_get_framesize (lame->lgf),
- GST_SECOND, lame->samplerate);
-}
-
-static gboolean
-gst_lamemp3enc_src_query (GstPad * pad, GstQuery * query)
-{
- gboolean res = TRUE;
- GstLameMP3Enc *lame;
- GstPad *peerpad;
-
- lame = GST_LAMEMP3ENC (gst_pad_get_parent (pad));
- peerpad = gst_pad_get_peer (GST_PAD (lame->sinkpad));
-
- switch (GST_QUERY_TYPE (query)) {
- case GST_QUERY_LATENCY:
- {
- if ((res = gst_pad_query (peerpad, query))) {
- gboolean live;
- GstClockTime min_latency, max_latency;
- gint64 latency;
-
- if (lame->lgf == NULL)
- break;
-
- gst_query_parse_latency (query, &live, &min_latency, &max_latency);
-
- latency = gst_lamemp3enc_get_latency (lame);
-
- /* add our latency */
- min_latency += latency;
- if (max_latency != -1)
- max_latency += latency;
-
- gst_query_set_latency (query, live, min_latency, max_latency);
- }
- break;
- }
- default:
- res = gst_pad_query (peerpad, query);
- break;
- }
-
- gst_object_unref (peerpad);
- gst_object_unref (lame);
- return res;
-}
-
-static void
-gst_lamemp3enc_init (GstLameMP3Enc * lame)
-{
- GST_DEBUG_OBJECT (lame, "starting initialization");
-
- lame->sinkpad =
- gst_pad_new_from_static_template (&gst_lamemp3enc_sink_template, "sink");
- gst_pad_set_event_function (lame->sinkpad,
- GST_DEBUG_FUNCPTR (gst_lamemp3enc_sink_event));
- gst_pad_set_chain_function (lame->sinkpad,
- GST_DEBUG_FUNCPTR (gst_lamemp3enc_chain));
- gst_pad_set_setcaps_function (lame->sinkpad,
- GST_DEBUG_FUNCPTR (gst_lamemp3enc_sink_setcaps));
- gst_pad_set_getcaps_function (lame->sinkpad,
- GST_DEBUG_FUNCPTR (gst_lamemp3enc_sink_getcaps));
- gst_element_add_pad (GST_ELEMENT (lame), lame->sinkpad);
-
- lame->srcpad =
- gst_pad_new_from_static_template (&gst_lamemp3enc_src_template, "src");
- gst_pad_set_query_function (lame->srcpad,
- GST_DEBUG_FUNCPTR (gst_lamemp3enc_src_query));
- gst_pad_set_setcaps_function (lame->srcpad,
- GST_DEBUG_FUNCPTR (gst_lamemp3enc_src_setcaps));
- gst_element_add_pad (GST_ELEMENT (lame), lame->srcpad);
-
- lame->samplerate = 44100;
- lame->num_channels = 2;
- lame->setup = FALSE;
-
- /* Set default settings */
- lame->target = DEFAULT_TARGET;
- lame->bitrate = DEFAULT_BITRATE;
- lame->cbr = DEFAULT_CBR;
- lame->quality = DEFAULT_QUALITY;
- lame->encoding_engine_quality = DEFAULT_ENCODING_ENGINE_QUALITY;
- lame->mono = DEFAULT_MONO;
-
- GST_DEBUG_OBJECT (lame, "done initializing");
-}
-
/* <php-emulation-mode>three underscores for ___rate is really really really
* private as opposed to one underscore<php-emulation-mode> */
/* call this MACRO outside of the NULL state so that we have a higher chance
}
}
-static gboolean
-gst_lamemp3enc_sink_event (GstPad * pad, GstEvent * event)
+static GstFlowReturn
+gst_lamemp3enc_flush_full (GstLameMP3Enc * lame, gboolean push)
{
- gboolean ret;
- GstLameMP3Enc *lame;
-
- lame = GST_LAMEMP3ENC (gst_pad_get_parent (pad));
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_EOS:{
- GST_DEBUG_OBJECT (lame, "handling EOS event");
-
- if (lame->lgf != NULL) {
- GstBuffer *buf;
- gint size;
-
- buf = gst_buffer_new_and_alloc (7200);
- size = lame_encode_flush (lame->lgf, GST_BUFFER_DATA (buf), 7200);
-
- if (size > 0 && lame->last_flow == GST_FLOW_OK) {
- gint64 duration;
-
- duration = gst_util_uint64_scale (size, 8 * GST_SECOND,
- 1000 * lame->bitrate);
-
- if (lame->last_ts == GST_CLOCK_TIME_NONE) {
- lame->last_ts = lame->eos_ts;
- lame->last_duration = duration;
- } else {
- lame->last_duration += duration;
- }
-
- GST_BUFFER_TIMESTAMP (buf) = lame->last_ts;
- GST_BUFFER_DURATION (buf) = lame->last_duration;
- lame->last_ts = GST_CLOCK_TIME_NONE;
- GST_BUFFER_SIZE (buf) = size;
- GST_DEBUG_OBJECT (lame, "pushing final packet of %u bytes", size);
- gst_buffer_set_caps (buf, GST_PAD_CAPS (lame->srcpad));
- gst_pad_push (lame->srcpad, buf);
- } else {
- GST_DEBUG_OBJECT (lame, "no final packet (size=%d, last_flow=%s)",
- size, gst_flow_get_name (lame->last_flow));
- gst_buffer_unref (buf);
- }
- }
-
- ret = gst_pad_event_default (pad, event);
- break;
- }
- case GST_EVENT_FLUSH_START:
- GST_DEBUG_OBJECT (lame, "handling FLUSH start event");
- /* forward event */
- ret = gst_pad_push_event (lame->srcpad, event);
- break;
- case GST_EVENT_FLUSH_STOP:
- {
- guchar *mp3_data = NULL;
- gint mp3_buffer_size;
-
- GST_DEBUG_OBJECT (lame, "handling FLUSH stop event");
-
- if (lame->lgf) {
- /* clear buffers if we already have lame set up */
- mp3_buffer_size = 7200;
- mp3_data = g_malloc (mp3_buffer_size);
- lame_encode_flush (lame->lgf, mp3_data, mp3_buffer_size);
- g_free (mp3_data);
- }
-
- ret = gst_pad_push_event (lame->srcpad, event);
- break;
- }
- case GST_EVENT_TAG:{
- GstTagList *tags;
+ GstBuffer *buf;
+ gint size;
+ GstFlowReturn result = GST_FLOW_OK;
- gst_event_parse_tag (event, &tags);
+ if (!lame->lgf)
+ return GST_FLOW_OK;
- tags = gst_tag_list_copy (tags);
- gst_event_unref (event);
+ buf = gst_buffer_new_and_alloc (7200);
+ size = lame_encode_flush (lame->lgf, GST_BUFFER_DATA (buf), 7200);
- gst_tag_list_remove_tag (tags, GST_TAG_CODEC);
- gst_tag_list_remove_tag (tags, GST_TAG_AUDIO_CODEC);
- event = gst_event_new_tag (tags);
-
- ret = gst_pad_push_event (lame->srcpad, event);
- break;
- }
- default:
- ret = gst_pad_event_default (pad, event);
- break;
+ if (size > 0 && push) {
+ GST_BUFFER_SIZE (buf) = size;
+ GST_DEBUG_OBJECT (lame, "pushing final packet of %u bytes", size);
+ result = gst_audio_encoder_finish_frame (GST_AUDIO_ENCODER (lame), buf, -1);
+ } else {
+ GST_DEBUG_OBJECT (lame, "no final packet (size=%d, push=%d)", size, push);
+ gst_buffer_unref (buf);
+ result = GST_FLOW_OK;
}
- gst_object_unref (lame);
- return ret;
+ return result;
+}
+
+static void
+gst_lamemp3enc_flush (GstAudioEncoder * enc)
+{
+ gst_lamemp3enc_flush_full (GST_LAMEMP3ENC (enc), FALSE);
}
static GstFlowReturn
-gst_lamemp3enc_chain (GstPad * pad, GstBuffer * buf)
+gst_lamemp3enc_handle_frame (GstAudioEncoder * enc, GstBuffer * in_buf)
{
GstLameMP3Enc *lame;
guchar *mp3_data;
gint mp3_buffer_size, mp3_size;
- gint64 duration;
+ GstBuffer *mp3_buf;
GstFlowReturn result;
gint num_samples;
guint8 *data;
guint size;
- lame = GST_LAMEMP3ENC (GST_PAD_PARENT (pad));
+ lame = GST_LAMEMP3ENC (enc);
- GST_LOG_OBJECT (lame, "entered chain");
+ /* squeeze remaining and push */
+ if (G_UNLIKELY (in_buf == NULL))
+ return gst_lamemp3enc_flush_full (lame, TRUE);
- if (!lame->setup)
- goto not_setup;
-
- data = GST_BUFFER_DATA (buf);
- size = GST_BUFFER_SIZE (buf);
+ data = GST_BUFFER_DATA (in_buf);
+ size = GST_BUFFER_SIZE (in_buf);
num_samples = size / 2;
/* allocate space for output */
mp3_buffer_size = 1.25 * num_samples + 7200;
- mp3_data = g_malloc (mp3_buffer_size);
+ mp3_buf = gst_buffer_new_and_alloc (mp3_buffer_size);
+ mp3_data = GST_BUFFER_DATA (mp3_buf);
/* lame seems to be too stupid to get mono interleaved going */
if (lame->num_channels == 1) {
GST_LOG_OBJECT (lame, "encoded %d bytes of audio to %d bytes of mp3",
size, mp3_size);
- duration = gst_util_uint64_scale_int (size, GST_SECOND,
- 2 * lame->samplerate * lame->num_channels);
-
- if (GST_BUFFER_DURATION (buf) != GST_CLOCK_TIME_NONE &&
- GST_BUFFER_DURATION (buf) != duration) {
- GST_DEBUG_OBJECT (lame, "incoming buffer had incorrect duration %"
- GST_TIME_FORMAT ", outgoing buffer will have correct duration %"
- GST_TIME_FORMAT,
- GST_TIME_ARGS (GST_BUFFER_DURATION (buf)), GST_TIME_ARGS (duration));
- }
-
- if (lame->last_ts == GST_CLOCK_TIME_NONE) {
- lame->last_ts = GST_BUFFER_TIMESTAMP (buf);
- lame->last_offs = GST_BUFFER_OFFSET (buf);
- lame->last_duration = duration;
+ if (G_LIKELY (mp3_size > 0)) {
+ GST_BUFFER_SIZE (mp3_buf) = mp3_size;
+ result = gst_audio_encoder_finish_frame (enc, mp3_buf, -1);
} else {
- lame->last_duration += duration;
- }
-
- gst_buffer_unref (buf);
-
- if (mp3_size < 0) {
- g_warning ("error %d", mp3_size);
- }
-
- if (mp3_size > 0) {
- GstBuffer *outbuf;
-
- outbuf = gst_buffer_new ();
- GST_BUFFER_DATA (outbuf) = mp3_data;
- GST_BUFFER_MALLOCDATA (outbuf) = mp3_data;
- GST_BUFFER_SIZE (outbuf) = mp3_size;
- GST_BUFFER_TIMESTAMP (outbuf) = lame->last_ts;
- GST_BUFFER_OFFSET (outbuf) = lame->last_offs;
- GST_BUFFER_DURATION (outbuf) = lame->last_duration;
- gst_buffer_set_caps (outbuf, GST_PAD_CAPS (lame->srcpad));
-
- result = gst_pad_push (lame->srcpad, outbuf);
- lame->last_flow = result;
- if (result != GST_FLOW_OK) {
- GST_DEBUG_OBJECT (lame, "flow return: %s", gst_flow_get_name (result));
+ if (mp3_size < 0) {
+ /* eat error ? */
+ g_warning ("error %d", mp3_size);
}
-
- if (GST_CLOCK_TIME_IS_VALID (lame->last_ts))
- lame->eos_ts = lame->last_ts + lame->last_duration;
- else
- lame->eos_ts = GST_CLOCK_TIME_NONE;
- lame->last_ts = GST_CLOCK_TIME_NONE;
- } else {
- g_free (mp3_data);
result = GST_FLOW_OK;
+ gst_buffer_unref (mp3_buf);
}
return result;
-
- /* ERRORS */
-not_setup:
- {
- gst_buffer_unref (buf);
- GST_ELEMENT_ERROR (lame, CORE, NEGOTIATION, (NULL),
- ("encoder not initialized (input is not audio?)"));
- return GST_FLOW_ERROR;
- }
}
/* set up the encoder state */
static gboolean
gst_lamemp3enc_setup (GstLameMP3Enc * lame, GstTagList ** tags)
{
+ gboolean res;
#define CHECK_ERROR(command) G_STMT_START {\
if ((command) < 0) { \
GST_DEBUG_OBJECT (lame, "starting setup");
- /* check if we're already setup; if we are, we might want to check
- * if this initialization is compatible with the previous one */
- /* FIXME: do this */
- if (lame->setup) {
- GST_WARNING_OBJECT (lame, "already setup");
- lame->setup = FALSE;
- }
-
lame->lgf = lame_init ();
if (lame->lgf == NULL)
*tags = gst_tag_list_new ();
- /* post latency message on the bus */
- gst_element_post_message (GST_ELEMENT (lame),
- gst_message_new_latency (GST_OBJECT (lame)));
-
/* copy the parameters over */
lame_set_in_samplerate (lame->lgf, lame->samplerate);
/* let lame choose default samplerate unless outgoing sample rate is fixed */
- allowed_caps = gst_pad_get_allowed_caps (lame->srcpad);
+ allowed_caps = gst_pad_get_allowed_caps (GST_AUDIO_ENCODER_SRC_PAD (lame));
if (allowed_caps != NULL) {
GstStructure *structure;
/* initialize the lame encoder */
if ((retval = lame_init_params (lame->lgf)) >= 0) {
- lame->setup = TRUE;
/* FIXME: it would be nice to print out the mode here */
GST_INFO
("lame encoder setup (target %s, quality %f, bitrate %d, %d Hz, %d channels)",
(lame->target == LAMEMP3ENC_TARGET_QUALITY) ? "quality" : "bitrate",
lame->quality, lame->bitrate, lame->samplerate, lame->num_channels);
+ res = TRUE;
} else {
GST_ERROR_OBJECT (lame, "lame_init_params returned %d", retval);
+ res = FALSE;
}
GST_DEBUG_OBJECT (lame, "done with setup");
-
- return lame->setup;
+ return res;
#undef CHECK_ERROR
}
-static GstStateChangeReturn
-gst_lamemp3enc_change_state (GstElement * element, GstStateChange transition)
-{
- GstLameMP3Enc *lame;
- GstStateChangeReturn result;
-
- lame = GST_LAMEMP3ENC (element);
-
- switch (transition) {
- case GST_STATE_CHANGE_READY_TO_PAUSED:
- lame->last_flow = GST_FLOW_OK;
- lame->last_ts = GST_CLOCK_TIME_NONE;
- lame->eos_ts = GST_CLOCK_TIME_NONE;
- break;
- default:
- break;
- }
-
- result = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
-
- switch (transition) {
- case GST_STATE_CHANGE_READY_TO_NULL:
- gst_lamemp3enc_release_memory (lame);
- break;
- default:
- break;
- }
-
- return result;
-}
-
gboolean
gst_lamemp3enc_register (GstPlugin * plugin)
{
projects / platform / upstream / gst-plugins-good.git / commitdiff