/* GStreamer * Copyright (C) <1999> Erik Walthinsen * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "string.h" #include "gstlame.h" GST_DEBUG_CATEGORY_STATIC (debug); #define GST_CAT_DEFAULT debug /* elementfactory information */ static GstElementDetails gst_lame_details = { "L.A.M.E. mp3 encoder", "Codec/Encoder/Audio", "High-quality free MP3 encoder", "Erik Walthinsen ", }; /* LAME can do MPEG-1, MPEG-2, and MPEG-2.5, so it has 9 possible * sample rates it supports */ static GstStaticPadTemplate gst_lame_sink_template = GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, GST_STATIC_CAPS ("audio/x-raw-int, " "endianness = (int) " G_STRINGIFY (G_BYTE_ORDER) ", " "signed = (boolean) true, " "width = (int) 16, " "depth = (int) 16, " "rate = (int) { 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000 }, " "channels = (int) [ 1, 2 ]") ); static GstStaticPadTemplate gst_lame_src_template = GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS, GST_STATIC_CAPS ("audio/mpeg, " "mpegversion = (int) 1, " "layer = (int) 3, " "rate = (int) { 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000 }, " "channels = (int) [ 1, 2 ]") ); /********** Define useful types for non-programmatic interfaces **********/ #define GST_TYPE_LAME_MODE (gst_lame_mode_get_type()) static GType gst_lame_mode_get_type (void) { static GType lame_mode_type = 0; static GEnumValue lame_modes[] = { {0, "0", "Stereo"}, {1, "1", "Joint-Stereo"}, {2, "2", "Dual channel"}, {3, "3", "Mono"}, {4, "4", "Auto"}, {0, NULL, NULL}, }; if (!lame_mode_type) { lame_mode_type = g_enum_register_static ("GstLameMode", lame_modes); } return lame_mode_type; } #define GST_TYPE_LAME_QUALITY (gst_lame_quality_get_type()) static GType gst_lame_quality_get_type (void) { static GType lame_quality_type = 0; static GEnumValue lame_quality[] = { {0, "0", "0 - Best"}, {1, "1", "1"}, {2, "2", "2"}, {3, "3", "3"}, {4, "4", "4"}, {5, "5", "5 - Default"}, {6, "6", "6"}, {7, "7", "7"}, {8, "8", "8"}, {9, "9", "9 - Worst"}, {0, NULL, NULL}, }; if (!lame_quality_type) { lame_quality_type = g_enum_register_static ("GstLameQuality", lame_quality); } return lame_quality_type; } #define GST_TYPE_LAME_PADDING (gst_lame_padding_get_type()) static GType gst_lame_padding_get_type (void) { static GType lame_padding_type = 0; static GEnumValue lame_padding[] = { {0, "0", "No Padding"}, {1, "1", "Always Pad"}, {2, "2", "Adjust Padding"}, {0, NULL, NULL}, }; if (!lame_padding_type) { lame_padding_type = g_enum_register_static ("GstLamePadding", lame_padding); } return lame_padding_type; } /********** Standard stuff for signals and arguments **********/ /* GstLame signals and args */ enum { /* FILL_ME */ LAST_SIGNAL }; enum { ARG_0, ARG_BITRATE, ARG_COMPRESSION_RATIO, ARG_QUALITY, ARG_MODE, ARG_FORCE_MS, ARG_FREE_FORMAT, ARG_COPYRIGHT, ARG_ORIGINAL, ARG_ERROR_PROTECTION, ARG_PADDING_TYPE, ARG_EXTENSION, ARG_STRICT_ISO, ARG_DISABLE_RESERVOIR, ARG_VBR, ARG_VBR_MEAN_BITRATE, ARG_VBR_MIN_BITRATE, ARG_VBR_MAX_BITRATE, ARG_VBR_HARD_MIN, ARG_LOWPASS_FREQ, ARG_LOWPASS_WIDTH, ARG_HIGHPASS_FREQ, ARG_HIGHPASS_WIDTH, ARG_ATH_ONLY, ARG_ATH_SHORT, ARG_NO_ATH, ARG_ATH_LOWER, ARG_CWLIMIT, ARG_ALLOW_DIFF_SHORT, ARG_NO_SHORT_BLOCKS, ARG_EMPHASIS }; static void gst_lame_base_init (gpointer g_class); static void gst_lame_class_init (GstLameClass * klass); static void gst_lame_init (GstLame * gst_lame); static void gst_lame_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec); static void gst_lame_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec); static void gst_lame_chain (GstPad * pad, GstData * _data); static gboolean gst_lame_setup (GstLame * lame); static GstElementStateReturn gst_lame_change_state (GstElement * element); static GstElementClass *parent_class = NULL; /* static guint gst_lame_signals[LAST_SIGNAL] = { 0 }; */ GType gst_lame_get_type (void) { static GType gst_lame_type = 0; if (!gst_lame_type) { static const GTypeInfo gst_lame_info = { sizeof (GstLameClass), gst_lame_base_init, NULL, (GClassInitFunc) gst_lame_class_init, NULL, NULL, sizeof (GstLame), 0, (GInstanceInitFunc) gst_lame_init, }; static const GInterfaceInfo tag_setter_info = { NULL, NULL, NULL }; gst_lame_type = g_type_register_static (GST_TYPE_ELEMENT, "GstLame", &gst_lame_info, 0); g_type_add_interface_static (gst_lame_type, GST_TYPE_TAG_SETTER, &tag_setter_info); } return gst_lame_type; } static void gst_lame_base_init (gpointer g_class) { GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); gst_element_class_add_pad_template (element_class, gst_static_pad_template_get (&gst_lame_src_template)); gst_element_class_add_pad_template (element_class, gst_static_pad_template_get (&gst_lame_sink_template)); gst_element_class_set_details (element_class, &gst_lame_details); } static void gst_lame_class_init (GstLameClass * klass) { GObjectClass *gobject_class; GstElementClass *gstelement_class; gobject_class = (GObjectClass *) klass; gstelement_class = (GstElementClass *) klass; parent_class = g_type_class_ref (GST_TYPE_ELEMENT); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_BITRATE, g_param_spec_int ("bitrate", "Bitrate (kb/s)", "Bitrate in kbit/sec", 8, 320, 128, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_COMPRESSION_RATIO, g_param_spec_float ("compression_ratio", "Compression Ratio", "choose bitrate to achive selected compression ratio", 1.0, 200.0, 11.0, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_QUALITY, g_param_spec_enum ("quality", "Quality", "Encoding Quality", GST_TYPE_LAME_QUALITY, 5, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MODE, g_param_spec_enum ("mode", "Mode", "Encoding mode", GST_TYPE_LAME_MODE, 0, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FORCE_MS, g_param_spec_boolean ("force_ms", "Force ms", "Force ms_stereo on all frames", TRUE, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FREE_FORMAT, g_param_spec_boolean ("free_format", "Free format", "Produce a free format bitstream", TRUE, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_COPYRIGHT, g_param_spec_boolean ("copyright", "Copyright", "Mark as copyright", TRUE, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_ORIGINAL, g_param_spec_boolean ("original", "Original", "Mark as non-original", TRUE, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_ERROR_PROTECTION, g_param_spec_boolean ("error_protection", "Error protection", "Adds 16 bit checksum to every frame", TRUE, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_PADDING_TYPE, g_param_spec_enum ("padding_type", "Padding type", "Padding type", GST_TYPE_LAME_PADDING, 0, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_EXTENSION, g_param_spec_boolean ("extension", "Extension", "Extension", TRUE, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_STRICT_ISO, g_param_spec_boolean ("strict_iso", "Strict ISO", "Comply as much as possible to ISO MPEG spec", TRUE, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DISABLE_RESERVOIR, g_param_spec_boolean ("disable_reservoir", "Disable reservoir", "Disable the bit reservoir", TRUE, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_VBR, g_param_spec_boolean ("vbr", "VBR", "Use variable bitrate", TRUE, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_VBR_MEAN_BITRATE, g_param_spec_int ("vbr_mean_bitrate", "VBR mean bitrate", "Specify mean bitrate", 0, G_MAXINT, 0, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_VBR_MIN_BITRATE, g_param_spec_int ("vbr_min_bitrate", "VBR min bitrate", "Specify min bitrate", 0, G_MAXINT, 0, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_VBR_MAX_BITRATE, g_param_spec_int ("vbr_max_bitrate", "VBR max bitrate", "Specify max bitrate", 0, G_MAXINT, 0, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_VBR_HARD_MIN, g_param_spec_int ("vbr_hard_min", "VBR hard min", "Specify hard min bitrate", 0, G_MAXINT, 0, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LOWPASS_FREQ, g_param_spec_int ("lowpass_freq", "Lowpass freq", "frequency(kHz), lowpass filter cutoff above freq", 0, 50000, 0, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LOWPASS_WIDTH, g_param_spec_int ("lowpass_width", "Lowpass width", "frequency(kHz) - default 15% of lowpass freq", 0, G_MAXINT, 0, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_HIGHPASS_FREQ, g_param_spec_int ("highpass_freq", "Highpass freq", "frequency(kHz), highpass filter cutoff below freq", 0, 50000, 0, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_HIGHPASS_WIDTH, g_param_spec_int ("highpass_width", "Highpass width", "frequency(kHz) - default 15% of highpass freq", 0, G_MAXINT, 0, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_ATH_ONLY, g_param_spec_boolean ("ath_only", "ATH only", "Ignore GPSYCHO completely, use ATH only", TRUE, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_ATH_SHORT, g_param_spec_boolean ("ath_short", "ATH short", "Ignore GPSYCHO for short blocks, use ATH only", TRUE, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_NO_ATH, g_param_spec_boolean ("no_ath", "No ath", "turns ATH down to a flat noise floor", TRUE, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_ATH_LOWER, g_param_spec_int ("ath_lower", "ATH lower", "lowers ATH by x dB", G_MININT, G_MAXINT, 0, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_CWLIMIT, g_param_spec_int ("cwlimit", "Cwlimit", "Compute tonality up to freq (in kHz) default 8.8717", 0, 50000, 0, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_ALLOW_DIFF_SHORT, g_param_spec_boolean ("allow_diff_short", "Allow diff short", "Allow diff short", TRUE, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_NO_SHORT_BLOCKS, g_param_spec_boolean ("no_short_blocks", "No short blocks", "Do not use short blocks", TRUE, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_EMPHASIS, g_param_spec_boolean ("emphasis", "Emphasis", "Emphasis", TRUE, G_PARAM_READWRITE)); gobject_class->set_property = gst_lame_set_property; gobject_class->get_property = gst_lame_get_property; gstelement_class->change_state = gst_lame_change_state; } static GstPadLinkReturn gst_lame_src_link (GstPad * pad, const GstCaps * caps) { GstLame *lame; gint out_samplerate; GstStructure *structure; GstCaps *othercaps, *channelcaps; GstPadLinkReturn result; lame = GST_LAME (gst_pad_get_parent (pad)); structure = gst_caps_get_structure (caps, 0); if (!gst_structure_get_int (structure, "rate", &out_samplerate) || !gst_structure_get_int (structure, "channels", &lame->num_channels)) g_return_val_if_reached (GST_PAD_LINK_REFUSED); if (lame_set_out_samplerate (lame->lgf, out_samplerate) != 0) return GST_PAD_LINK_REFUSED; /* 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; } static GstPadLinkReturn gst_lame_sink_link (GstPad * pad, const GstCaps * caps) { GstLame *lame; gint out_samplerate; GstStructure *structure; GstCaps *othercaps; lame = GST_LAME (gst_pad_get_parent (pad)); structure = gst_caps_get_structure (caps, 0); if (!gst_structure_get_int (structure, "rate", &lame->samplerate) || !gst_structure_get_int (structure, "channels", &lame->num_channels)) 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; } out_samplerate = lame_get_out_samplerate (lame->lgf); othercaps = gst_caps_new_simple ("audio/mpeg", "mpegversion", G_TYPE_INT, 1, "layer", G_TYPE_INT, 3, "channels", G_TYPE_INT, lame->num_channels, "rate", G_TYPE_INT, out_samplerate, NULL); return gst_pad_try_set_caps (lame->srcpad, othercaps); } static void gst_lame_init (GstLame * lame) { GST_DEBUG_OBJECT (lame, "starting initialization"); lame->sinkpad = gst_pad_new_from_template (gst_static_pad_template_get (&gst_lame_sink_template), "sink"); gst_element_add_pad (GST_ELEMENT (lame), lame->sinkpad); gst_pad_set_chain_function (lame->sinkpad, gst_lame_chain); gst_pad_set_link_function (lame->sinkpad, gst_lame_sink_link); lame->srcpad = gst_pad_new_from_template (gst_static_pad_template_get (&gst_lame_src_template), "src"); gst_element_add_pad (GST_ELEMENT (lame), lame->srcpad); gst_pad_set_link_function (lame->srcpad, gst_lame_src_link); GST_FLAG_SET (lame, GST_ELEMENT_EVENT_AWARE); GST_DEBUG ("setting up lame encoder"); 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 = 5; /* lame_get_compression_ratio (lame->lgf); => 0/out of range */ 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->copyright = lame_get_copyright (lame->lgf); lame->original = lame_get_original (lame->lgf); lame->error_protection = lame_get_error_protection (lame->lgf); lame->padding_type = lame_get_padding_type (lame->lgf); lame->extension = lame_get_extension (lame->lgf); lame->strict_iso = lame_get_strict_ISO (lame->lgf); lame->disable_reservoir = lame_get_disable_reservoir (lame->lgf); lame->vbr = lame_get_VBR_q (lame->lgf); 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_hard_min = lame_get_VBR_hard_min (lame->lgf); lame->lowpass_freq = 50000; /* lame_get_lowpassfreq (lame->lgf); => 0/lowpass on everything ? */ 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->ath_only = lame_get_ATHonly (lame->lgf); lame->ath_short = lame_get_ATHshort (lame->lgf); lame->no_ath = lame_get_noATH (lame->lgf); /* lame->ath_type = lame_get_ATHtype (lame->lgf); */ lame->ath_lower = lame_get_ATHlower (lame->lgf); lame->cwlimit = 8.8717; /* lame_get_cwlimit (lame->lgf); => 0 */ lame->allow_diff_short = lame_get_allow_diff_short (lame->lgf); lame->no_short_blocks = TRUE; /* lame_get_no_short_blocks (lame->lgf); */ lame->emphasis = lame_get_emphasis (lame->lgf); lame->tags = gst_tag_list_new (); id3tag_init (lame->lgf); GST_DEBUG_OBJECT (lame, "done initializing"); } typedef struct _GstLameTagMatch GstLameTagMatch; typedef void (*GstLameTagFunc) (lame_global_flags * gfp, const char *value); struct _GstLameTagMatch { gchar *gstreamer_tag; GstLameTagFunc tag_func; }; static GstLameTagMatch tag_matches[] = { {GST_TAG_TITLE, id3tag_set_title}, {GST_TAG_DATE, id3tag_set_year}, {GST_TAG_TRACK_NUMBER, id3tag_set_track}, {GST_TAG_COMMENT, id3tag_set_comment}, {GST_TAG_ARTIST, id3tag_set_artist}, {GST_TAG_ALBUM, id3tag_set_album}, {GST_TAG_GENRE, (GstLameTagFunc) id3tag_set_genre}, {NULL, NULL} }; static void add_one_tag (const GstTagList * list, const gchar * tag, gpointer user_data) { GstLame *lame; gchar *value; int i = 0; lame = GST_LAME (user_data); g_return_if_fail (lame != NULL); while (tag_matches[i].gstreamer_tag != NULL) { if (strcmp (tag, tag_matches[i].gstreamer_tag) == 0) { break; } i++; } if (tag_matches[i].tag_func == NULL) { g_print ("Couldn't find matching gstreamer tag for %s\n", tag); return; } switch (gst_tag_get_type (tag)) { case G_TYPE_UINT:{ guint ivalue; if (!gst_tag_list_get_uint (list, tag, &ivalue)) { GST_DEBUG ("Error reading \"%s\" tag value\n", tag); return; } value = g_strdup_printf ("%u", ivalue); break; } case G_TYPE_STRING: if (!gst_tag_list_get_string (list, tag, &value)) { GST_DEBUG ("Error reading \"%s\" tag value\n", tag); return; }; break; default: GST_DEBUG ("Couldn't write tag %s", tag); break; } tag_matches[i].tag_func (lame->lgf, value); if (gst_tag_get_type (tag) == G_TYPE_UINT) { g_free (value); } } static void gst_lame_set_metadata (GstLame * lame) { const GstTagList *user_tags; 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; } copy = gst_tag_list_merge (user_tags, lame->tags, gst_tag_setter_get_merge_mode (GST_TAG_SETTER (lame))); gst_tag_list_foreach ((GstTagList *) copy, add_one_tag, lame); gst_tag_list_free (copy); } static void gst_lame_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec) { GstLame *lame; /* it's not null if we got it, but it might not be ours */ g_return_if_fail (GST_IS_LAME (object)); lame = GST_LAME (object); switch (prop_id) { case ARG_BITRATE: lame->bitrate = g_value_get_int (value); break; case ARG_COMPRESSION_RATIO: lame->compression_ratio = g_value_get_float (value); break; case ARG_QUALITY: lame->quality = g_value_get_enum (value); break; case ARG_MODE: lame->mode = g_value_get_enum (value); break; case ARG_FORCE_MS: lame->force_ms = g_value_get_boolean (value); break; case ARG_FREE_FORMAT: lame->free_format = g_value_get_boolean (value); break; case ARG_COPYRIGHT: lame->copyright = g_value_get_boolean (value); break; case ARG_ORIGINAL: lame->original = g_value_get_boolean (value); break; case ARG_ERROR_PROTECTION: lame->error_protection = g_value_get_boolean (value); break; case ARG_PADDING_TYPE: lame->padding_type = g_value_get_int (value); break; case ARG_EXTENSION: lame->extension = g_value_get_boolean (value); break; case ARG_STRICT_ISO: lame->strict_iso = g_value_get_boolean (value); break; case ARG_DISABLE_RESERVOIR: lame->disable_reservoir = g_value_get_boolean (value); break; case ARG_VBR: lame->vbr = g_value_get_boolean (value); break; case ARG_VBR_MEAN_BITRATE: lame->vbr_mean_bitrate = g_value_get_int (value); break; case ARG_VBR_MIN_BITRATE: lame->vbr_min_bitrate = g_value_get_int (value); break; case ARG_VBR_MAX_BITRATE: lame->vbr_max_bitrate = g_value_get_int (value); break; case ARG_VBR_HARD_MIN: lame->vbr_hard_min = g_value_get_int (value); break; case ARG_LOWPASS_FREQ: lame->lowpass_freq = g_value_get_int (value); break; case ARG_LOWPASS_WIDTH: lame->lowpass_width = g_value_get_int (value); break; case ARG_HIGHPASS_FREQ: lame->highpass_freq = g_value_get_int (value); break; case ARG_HIGHPASS_WIDTH: lame->highpass_width = g_value_get_int (value); break; case ARG_ATH_ONLY: lame->ath_only = g_value_get_boolean (value); break; case ARG_ATH_SHORT: lame->ath_short = g_value_get_boolean (value); break; case ARG_NO_ATH: lame->no_ath = g_value_get_boolean (value); break; case ARG_ATH_LOWER: lame->ath_lower = g_value_get_int (value); break; case ARG_CWLIMIT: lame->cwlimit = g_value_get_int (value); break; case ARG_ALLOW_DIFF_SHORT: lame->allow_diff_short = g_value_get_boolean (value); break; case ARG_NO_SHORT_BLOCKS: lame->no_short_blocks = g_value_get_boolean (value); break; case ARG_EMPHASIS: lame->emphasis = g_value_get_boolean (value); break; default: break; } } static void gst_lame_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec) { GstLame *lame; /* it's not null if we got it, but it might not be ours */ g_return_if_fail (GST_IS_LAME (object)); lame = GST_LAME (object); switch (prop_id) { case ARG_BITRATE: g_value_set_int (value, lame->bitrate); break; case ARG_COMPRESSION_RATIO: g_value_set_float (value, lame->compression_ratio); break; case ARG_QUALITY: g_value_set_enum (value, lame->quality); break; case ARG_MODE: g_value_set_enum (value, lame->mode); break; case ARG_FORCE_MS: g_value_set_boolean (value, lame->force_ms); break; case ARG_FREE_FORMAT: g_value_set_boolean (value, lame->free_format); break; case ARG_COPYRIGHT: g_value_set_boolean (value, lame->copyright); break; case ARG_ORIGINAL: g_value_set_boolean (value, lame->original); break; case ARG_ERROR_PROTECTION: g_value_set_boolean (value, lame->error_protection); break; case ARG_PADDING_TYPE: g_value_set_enum (value, lame->padding_type); break; case ARG_EXTENSION: g_value_set_boolean (value, lame->extension); break; case ARG_STRICT_ISO: g_value_set_boolean (value, lame->strict_iso); break; case ARG_DISABLE_RESERVOIR: g_value_set_boolean (value, lame->disable_reservoir); break; case ARG_VBR: g_value_set_boolean (value, lame->vbr); break; case ARG_VBR_MEAN_BITRATE: g_value_set_int (value, lame->vbr_mean_bitrate); break; case ARG_VBR_MIN_BITRATE: g_value_set_int (value, lame->vbr_min_bitrate); break; case ARG_VBR_MAX_BITRATE: g_value_set_int (value, lame->vbr_max_bitrate); break; case ARG_VBR_HARD_MIN: g_value_set_int (value, lame->vbr_hard_min); break; case ARG_LOWPASS_FREQ: g_value_set_int (value, lame->lowpass_freq); break; case ARG_LOWPASS_WIDTH: g_value_set_int (value, lame->lowpass_width); break; case ARG_HIGHPASS_FREQ: g_value_set_int (value, lame->highpass_freq); break; case ARG_HIGHPASS_WIDTH: g_value_set_int (value, lame->highpass_width); break; case ARG_ATH_ONLY: g_value_set_boolean (value, lame->ath_only); break; case ARG_ATH_SHORT: g_value_set_boolean (value, lame->ath_short); break; case ARG_NO_ATH: g_value_set_boolean (value, lame->no_ath); break; case ARG_ATH_LOWER: g_value_set_int (value, lame->ath_lower); break; case ARG_CWLIMIT: g_value_set_int (value, lame->cwlimit); break; case ARG_ALLOW_DIFF_SHORT: g_value_set_boolean (value, lame->allow_diff_short); break; case ARG_NO_SHORT_BLOCKS: g_value_set_boolean (value, lame->no_short_blocks); break; case ARG_EMPHASIS: g_value_set_boolean (value, lame->emphasis); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gst_lame_chain (GstPad * pad, GstData * _data) { GstBuffer *buf = GST_BUFFER (_data); GstLame *lame; GstBuffer *outbuf; gchar *mp3_data = NULL; gint mp3_buffer_size, mp3_size = 0; gboolean eos = FALSE; lame = GST_LAME (gst_pad_get_parent (pad)); GST_LOG_OBJECT (lame, "entered chain"); if (GST_IS_EVENT (buf)) { switch (GST_EVENT_TYPE (buf)) { case GST_EVENT_EOS: GST_DEBUG_OBJECT (lame, "handling EOS event"); eos = TRUE; case GST_EVENT_FLUSH: GST_DEBUG_OBJECT (lame, "handling FLUSH event"); mp3_buffer_size = 7200; mp3_data = g_malloc (mp3_buffer_size); mp3_size = lame_encode_flush (lame->lgf, mp3_data, mp3_buffer_size); gst_event_unref (GST_EVENT (buf)); break; case GST_EVENT_TAG: GST_DEBUG_OBJECT (lame, "handling TAG event"); if (lame->tags) { gst_tag_list_insert (lame->tags, gst_event_tag_get_list (GST_EVENT (buf)), gst_tag_setter_get_merge_mode (GST_TAG_SETTER (lame))); } else { g_assert_not_reached (); } gst_pad_event_default (pad, GST_EVENT (buf)); break; default: gst_pad_event_default (pad, GST_EVENT (buf)); break; } } else { gint64 duration; if (!lame->initialized) { gst_buffer_unref (buf); GST_ELEMENT_ERROR (lame, CORE, NEGOTIATION, (NULL), ("encoder not initialized (input is not audio?)")); return; } /* allocate space for output */ mp3_buffer_size = ((GST_BUFFER_SIZE (buf) / (2 + lame->num_channels)) * 1.25) + 7200; mp3_data = g_malloc (mp3_buffer_size); /* lame seems to be too stupid to get mono interleaved going */ if (lame->num_channels == 1) { mp3_size = lame_encode_buffer (lame->lgf, (short int *) (GST_BUFFER_DATA (buf)), (short int *) (GST_BUFFER_DATA (buf)), GST_BUFFER_SIZE (buf) / 2, mp3_data, mp3_buffer_size); } else { mp3_size = lame_encode_buffer_interleaved (lame->lgf, (short int *) (GST_BUFFER_DATA (buf)), GST_BUFFER_SIZE (buf) / 2 / lame->num_channels, mp3_data, mp3_buffer_size); } GST_LOG_OBJECT (lame, "encoded %d bytes of audio to %d bytes of mp3", GST_BUFFER_SIZE (buf), mp3_size); duration = (GST_SECOND * GST_BUFFER_SIZE (buf) / (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; } else { lame->last_duration += duration; } gst_buffer_unref (buf); } if (mp3_size > 0) { outbuf = gst_buffer_new (); GST_BUFFER_DATA (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_pad_push (lame->srcpad, GST_DATA (outbuf)); lame->last_ts = GST_CLOCK_TIME_NONE; } else { g_free (mp3_data); } if (eos) { gst_pad_push (lame->srcpad, GST_DATA (gst_event_new (GST_EVENT_EOS))); gst_element_set_eos (GST_ELEMENT (lame)); } } /* transition to the READY state by configuring the gst_lame encoder */ static gboolean gst_lame_setup (GstLame * lame) { #define CHECK_ERROR(command) G_STMT_START {\ if ((command) < 0) { \ GST_ERROR_OBJECT (lame, "setup failed: " G_STRINGIFY (command)); \ return FALSE; \ } \ }G_STMT_END GST_DEBUG_OBJECT (lame, "starting setup"); /* check if we're already initialized; 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; } /* copy the parameters over */ lame_set_in_samplerate (lame->lgf, lame->samplerate); /* force mono encoding if we only have one channel */ if (lame->num_channels == 1) lame->mode = 3; CHECK_ERROR (lame_set_num_channels (lame->lgf, lame->num_channels)); CHECK_ERROR (lame_set_brate (lame->lgf, lame->bitrate)); CHECK_ERROR (lame_set_compression_ratio (lame->lgf, lame->compression_ratio)); CHECK_ERROR (lame_set_quality (lame->lgf, lame->quality)); CHECK_ERROR (lame_set_mode (lame->lgf, lame->mode)); CHECK_ERROR (lame_set_force_ms (lame->lgf, lame->force_ms)); CHECK_ERROR (lame_set_free_format (lame->lgf, lame->free_format)); CHECK_ERROR (lame_set_copyright (lame->lgf, lame->copyright)); CHECK_ERROR (lame_set_original (lame->lgf, lame->original)); CHECK_ERROR (lame_set_error_protection (lame->lgf, lame->error_protection)); CHECK_ERROR (lame_set_padding_type (lame->lgf, lame->padding_type)); CHECK_ERROR (lame_set_extension (lame->lgf, lame->extension)); CHECK_ERROR (lame_set_strict_ISO (lame->lgf, lame->strict_iso)); CHECK_ERROR (lame_set_disable_reservoir (lame->lgf, lame->disable_reservoir)); CHECK_ERROR (lame_set_VBR_q (lame->lgf, lame->vbr)); CHECK_ERROR (lame_set_VBR_mean_bitrate_kbps (lame->lgf, lame->vbr_mean_bitrate)); CHECK_ERROR (lame_set_VBR_min_bitrate_kbps (lame->lgf, lame->vbr_min_bitrate)); CHECK_ERROR (lame_set_VBR_max_bitrate_kbps (lame->lgf, lame->vbr_max_bitrate)); CHECK_ERROR (lame_set_VBR_hard_min (lame->lgf, lame->vbr_hard_min)); CHECK_ERROR (lame_set_lowpassfreq (lame->lgf, lame->lowpass_freq)); CHECK_ERROR (lame_set_lowpasswidth (lame->lgf, lame->lowpass_width)); CHECK_ERROR (lame_set_highpassfreq (lame->lgf, lame->highpass_freq)); CHECK_ERROR (lame_set_highpasswidth (lame->lgf, lame->highpass_width)); CHECK_ERROR (lame_set_ATHonly (lame->lgf, lame->ath_only)); CHECK_ERROR (lame_set_ATHshort (lame->lgf, lame->ath_short)); CHECK_ERROR (lame_set_noATH (lame->lgf, lame->no_ath)); CHECK_ERROR (lame_set_ATHlower (lame->lgf, lame->ath_lower)); CHECK_ERROR (lame_set_cwlimit (lame->lgf, lame->cwlimit)); CHECK_ERROR (lame_set_allow_diff_short (lame->lgf, lame->allow_diff_short)); CHECK_ERROR (lame_set_no_short_blocks (lame->lgf, lame->no_short_blocks)); CHECK_ERROR (lame_set_emphasis (lame->lgf, lame->emphasis)); gst_lame_set_metadata (lame); /* initialize the lame encoder */ if (lame_init_params (lame->lgf) >= 0) { lame->initialized = TRUE; /* FIXME: it would be nice to print out the mode here */ GST_INFO ("lame encoder initialized (%d kbit/s, %d Hz, %d channels)", lame->bitrate, lame->samplerate, lame->num_channels); } GST_DEBUG_OBJECT (lame, "done with setup"); return lame->initialized; #undef CHECK_ERROR } static GstElementStateReturn gst_lame_change_state (GstElement * element) { GstLame *lame; g_return_val_if_fail (GST_IS_LAME (element), GST_STATE_FAILURE); lame = GST_LAME (element); GST_DEBUG ("state pending %d", GST_STATE_PENDING (element)); switch (GST_STATE_TRANSITION (element)) { case GST_STATE_READY_TO_PAUSED: lame->last_ts = GST_CLOCK_TIME_NONE; break; case GST_STATE_READY_TO_NULL: if (lame->initialized) { lame_close (lame->lgf); lame->lgf = lame_init (); lame->initialized = FALSE; } break; default: break; } /* if we haven't failed already, give the parent class a chance to ;-) */ if (GST_ELEMENT_CLASS (parent_class)->change_state) return GST_ELEMENT_CLASS (parent_class)->change_state (element); return GST_STATE_SUCCESS; } static gboolean plugin_init (GstPlugin * plugin) { if (!gst_element_register (plugin, "lame", GST_RANK_NONE, GST_TYPE_LAME)) return FALSE; GST_DEBUG_CATEGORY_INIT (debug, "lame", 0, "lame mp3 encoder"); return TRUE; } GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, GST_VERSION_MINOR, "lame", "Encode MP3's with LAME", plugin_init, VERSION, "LGPL", GST_PACKAGE, GST_ORIGIN)