/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ * Copyright (C) <2004> Wim Taymans <wim@fluendo.com>
+ * Copyright (C) <2005> Thomas Vander Stichele <thomas at apestaart dot org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
gstelement_class->change_state = gst_lame_change_state;
}
-static GstCaps *
-gst_lame_src_getcaps (GstPad * pad)
-{
- GstLame *lame;
- GstCaps *caps;
-
- lame = GST_LAME (gst_pad_get_parent (pad));
-
- if (!gst_lame_setup (lame)) {
- GST_DEBUG_OBJECT (lame, "problem doing lame setup");
- caps =
- gst_caps_copy (gst_pad_template_get_caps (gst_static_pad_template_get
- (&gst_lame_src_template)));
- } else {
- caps = gst_caps_new_simple ("audio/mpeg",
- "mpegversion", G_TYPE_INT, 1,
- "layer", G_TYPE_INT, 3,
- "rate", G_TYPE_INT, lame_get_out_samplerate (lame->lgf),
- "channels", G_TYPE_INT, lame->num_channels, NULL);
- }
-
- gst_object_unref (lame);
-
- return caps;
-}
-
-#if 0
-static gboolean
-gst_lame_src_setcaps (GstPad * pad, GstCaps * caps)
-{
- GstLame *lame;
- gint out_samplerate;
- GstStructure *structure;
- GstCaps *othercaps, *channelcaps;
- GstPadLinkReturn result;
-
- lame = GST_LAME (GST_PAD_PARENT (pad));
- structure = gst_caps_get_structure (caps, 0);
-
- /* we need channels and rate */
- if (!gst_structure_get_int (structure, "rate", &out_samplerate));
- goto no_rate;
- if (!gst_structure_get_int (structure, "channels", &lame->num_channels));
- goto no_channels;
-
- if (lame_set_out_samplerate (lame->lgf, out_samplerate) != 0)
- goto could_not_set_samplerate;
-
- /* we don't do channel conversion */
- channelcaps = gst_caps_new_simple ("audio/x-raw-int", "channels", G_TYPE_INT,
- lame->num_channels, NULL);
- othercaps = gst_caps_intersect (gst_pad_get_pad_template_caps (lame->sinkpad),
- channelcaps);
- gst_caps_free (channelcaps);
-
- result = gst_pad_try_set_caps_nonfixed (lame->sinkpad, othercaps);
-
- if (GST_PAD_LINK_FAILED (result))
- return result;
-
- caps = gst_pad_get_negotiated_caps (lame->sinkpad);
- structure = gst_caps_get_structure (caps, 0);
- if (!gst_structure_get_int (structure, "rate", &lame->samplerate))
- g_return_val_if_reached (GST_PAD_LINK_REFUSED);
-
- if (!gst_lame_setup (lame)) {
- GST_ELEMENT_ERROR (lame, CORE, NEGOTIATION, (NULL),
- ("could not initialize encoder (wrong parameters?)"));
- return GST_PAD_LINK_REFUSED;
- }
-
- return result;
-
-no_rate:
- {
- GST_DEBUG ("no rate specified in caps");
- return FALSE;
- }
-no_channels:
- {
- GST_DEBUG ("no channels specified in caps");
- return FALSE;
- }
-could_not_set_samplerate:
- {
- GST_DEBUG ("could not set samplerate");
- return FALSE;
- }
-}
-#endif
-
static gboolean
gst_lame_sink_setcaps (GstPad * pad, GstCaps * caps)
{
if (!gst_structure_get_int (structure, "channels", &lame->num_channels))
goto no_channels;
- /* let lame choose a default samplerate */
- lame_set_out_samplerate (lame->lgf, 0);
+ GST_DEBUG_OBJECT (lame, "sink_setcaps, setting up lame");
if (!gst_lame_setup (lame))
goto setup_failed;
+
out_samplerate = lame_get_out_samplerate (lame->lgf);
+ if (out_samplerate == 0)
+ goto zero_output_rate;
+
othercaps =
gst_caps_new_simple ("audio/mpeg",
"mpegversion", G_TYPE_INT, 1,
("no channels specified in input"));
return FALSE;
}
+zero_output_rate:
+ {
+ GST_ELEMENT_ERROR (lame, CORE, NEGOTIATION, (NULL),
+ ("lame decided on a zero sample rate"));
+ return FALSE;
+ }
setup_failed:
{
GST_ELEMENT_ERROR (lame, CORE, NEGOTIATION, (NULL),
lame->srcpad =
gst_pad_new_from_template (gst_static_pad_template_get
(&gst_lame_src_template), "src");
- gst_pad_set_getcaps_function (lame->srcpad, gst_lame_src_getcaps);
gst_element_add_pad (GST_ELEMENT (lame), lame->srcpad);
- GST_DEBUG ("setting up lame encoder");
+ /* create an encoder state so we can ask about defaults */
lame->lgf = lame_init ();
lame->samplerate = 44100;
lame->num_channels = 2;
- lame->initialized = FALSE;
-
- lame->bitrate = 128; /* lame_get_brate (lame->lgf); => 0/out of range */
- lame->compression_ratio = 0.0; /* lame_get_compression_ratio (lame->lgf); => 0/out of range ... NOTE: 0.0 makes bitrate take precedence */
- lame->quality = 5; /* lame_get_quality (lame->lgf); => -1/out of range */
+ lame->setup = FALSE;
+
+ lame->bitrate = 128; /* lame_get_brate (lame->lgf);
+ * => 0/out of range */
+ lame->compression_ratio = 0.0; /* lame_get_compression_ratio (lame->lgf);
+ * => 0/out of range ...
+ * NOTE: 0.0 makes bitrate take precedence */
+ lame->quality = 5; /* lame_get_quality (lame->lgf);
+ * => -1/out of range */
lame->mode = lame_get_mode (lame->lgf);
lame->force_ms = lame_get_force_ms (lame->lgf);
lame->free_format = lame_get_free_format (lame->lgf);
lame->vbr_quality = 5;
lame->vbr_mean_bitrate = lame_get_VBR_mean_bitrate_kbps (lame->lgf);
lame->vbr_min_bitrate = lame_get_VBR_min_bitrate_kbps (lame->lgf);
- lame->vbr_max_bitrate = 320; /* lame_get_VBR_max_bitrate_kbps (lame->lgf); => 0/no vbr possible */
+ lame->vbr_max_bitrate = 320; /* lame_get_VBR_max_bitrate_kbps (lame->lgf);
+ * => 0/no vbr possible */
lame->vbr_hard_min = lame_get_VBR_hard_min (lame->lgf);
- //lame->lowpass_freq = 50000; /* lame_get_lowpassfreq (lame->lgf); => 0/lowpass on everything ? */
+ /* lame->lowpass_freq = 50000; lame_get_lowpassfreq (lame->lgf);
+ * => 0/lowpass on everything ? */
lame->lowpass_freq = 0;
- lame->lowpass_width = 0; /* lame_get_lowpasswidth (lame->lgf); => -1/out of range */
+ lame->lowpass_width = 0; /* lame_get_lowpasswidth (lame->lgf);
+ * => -1/out of range */
lame->highpass_freq = lame_get_highpassfreq (lame->lgf);
- lame->highpass_width = 0; /* lame_get_highpasswidth (lame->lgf); => -1/out of range */
+ lame->highpass_width = 0; /* lame_get_highpasswidth (lame->lgf);
+ * => -1/out of range */
lame->ath_only = lame_get_ATHonly (lame->lgf);
lame->ath_short = lame_get_ATHshort (lame->lgf);
lame->no_ath = lame_get_noATH (lame->lgf);
lame->emphasis = lame_get_emphasis (lame->lgf);
lame->xingheader = FALSE;
lame->preset = 0;
- lame->tags = gst_tag_list_new ();
-
- id3tag_init (lame->lgf);
+ lame_close (lame->lgf);
+ lame->lgf = NULL;
GST_DEBUG_OBJECT (lame, "done initializing");
}
}
if (tag_matches[i].tag_func == NULL) {
- g_print ("Couldn't find matching gstreamer tag for %s\n", tag);
+ GST_WARNING_OBJECT (lame,
+ "Couldn't find matching gstreamer tag for \"%s\"", tag);
return;
}
guint ivalue;
if (!gst_tag_list_get_uint (list, tag, &ivalue)) {
- GST_DEBUG ("Error reading \"%s\" tag value\n", tag);
+ GST_WARNING_OBJECT (lame, "Error reading \"%s\" tag value", tag);
return;
}
value = g_strdup_printf ("%u", ivalue);
}
case G_TYPE_STRING:
if (!gst_tag_list_get_string (list, tag, &value)) {
- GST_DEBUG ("Error reading \"%s\" tag value\n", tag);
+ GST_WARNING_OBJECT (lame, "Error reading \"%s\" tag value", tag);
return;
};
break;
default:
- GST_DEBUG ("Couldn't write tag %s", tag);
+ GST_WARNING_OBJECT (lame, "Couldn't write tag %s", tag);
break;
}
GstTagList *copy;
g_return_if_fail (lame != NULL);
+
user_tags = gst_tag_setter_get_list (GST_TAG_SETTER (lame));
if ((lame->tags == NULL) && (user_tags == NULL)) {
return;
GST_LOG_OBJECT (lame, "entered chain");
- if (!lame->initialized)
- goto not_initialized;
+ if (!lame->setup)
+ goto not_setup;
num_samples = GST_BUFFER_SIZE (buf) / 2;
return result;
/* ERRORS */
-not_initialized:
+not_setup:
{
gst_buffer_unref (buf);
GST_ELEMENT_ERROR (lame, CORE, NEGOTIATION, (NULL),
}
}
-/* transition to the READY state by configuring the gst_lame encoder */
+/* set up the encoder state */
static gboolean
gst_lame_setup (GstLame * lame)
{
GST_DEBUG_OBJECT (lame, "starting setup");
- /* check if we're already initialized; if we are, we might want to check
+ /* 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->initialized) {
- GST_WARNING_OBJECT (lame, "already initialized");
- lame->initialized = FALSE;
+ if (lame->setup) {
+ GST_WARNING_OBJECT (lame, "already setup");
+ lame->setup = FALSE;
}
+ lame->lgf = lame_init ();
+ id3tag_init (lame->lgf);
+
+ /* let lame choose a default samplerate */
+ lame_set_out_samplerate (lame->lgf, 0);
+
/* copy the parameters over */
lame_set_in_samplerate (lame->lgf, lame->samplerate);
/* initialize the lame encoder */
if ((retval = lame_init_params (lame->lgf)) >= 0) {
- lame->initialized = TRUE;
+ lame->setup = TRUE;
/* FIXME: it would be nice to print out the mode here */
- GST_INFO ("lame encoder initialized (%d kbit/s, %d Hz, %d channels)",
+ GST_INFO ("lame encoder setup (%d kbit/s, %d Hz, %d channels)",
lame->bitrate, lame->samplerate, lame->num_channels);
} else {
GST_ERROR_OBJECT (lame, "lame_init_params returned %d", retval);
GST_DEBUG_OBJECT (lame, "done with setup");
- return lame->initialized;
+ return lame->setup;
#undef CHECK_ERROR
}
switch (transition) {
+ case GST_STATE_CHANGE_NULL_TO_READY:
+ lame->tags = gst_tag_list_new ();
case GST_STATE_CHANGE_READY_TO_PAUSED:
lame->last_ts = GST_CLOCK_TIME_NONE;
break;
result = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
switch (transition) {
- case GST_STATE_CHANGE_PAUSED_TO_READY:
- if (lame->initialized) {
- lame_close (lame->lgf);
- lame->lgf = lame_init ();
- lame->initialized = FALSE;
- }
+ case GST_STATE_CHANGE_READY_TO_NULL:
+ gst_tag_list_free (lame->tags);
break;
default:
break;
projects / platform / upstream / gstreamer.git / commitdiff