2002-03-20 21:45:03 +00:00
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/* GStreamer
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2001-12-23 13:56:23 +00:00
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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2003-06-29 19:46:12 +00:00
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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2001-12-23 13:56:23 +00:00
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#include <stdlib.h>
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#include <string.h>
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#include <gstflacenc.h>
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2002-09-18 20:56:42 +00:00
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#include "flac_compat.h"
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2002-07-28 19:48:26 +00:00
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extern GstPadTemplate *gst_flacenc_src_template, *gst_flacenc_sink_template;
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2001-12-23 13:56:23 +00:00
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/* elementfactory information */
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GstElementDetails flacenc_details = {
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"FLAC encoder",
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2002-04-20 21:42:51 +00:00
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"Codec/Audio/Encoder",
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2002-09-18 19:02:51 +00:00
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"LGPL",
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2001-12-23 13:56:23 +00:00
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"Encodes audio with the FLAC lossless audio encoder",
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VERSION,
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"Wim Taymans <wim.taymans@chello.be>",
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"(C) 2001",
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};
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/* FlacEnc signals and args */
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enum {
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/* FILL ME */
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LAST_SIGNAL
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};
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enum {
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ARG_0,
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2002-09-15 22:26:33 +00:00
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ARG_QUALITY,
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ARG_STREAMABLE_SUBSET,
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ARG_MID_SIDE_STEREO,
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ARG_LOOSE_MID_SIDE_STEREO,
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ARG_BLOCKSIZE,
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ARG_MAX_LPC_ORDER,
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ARG_QLP_COEFF_PRECISION,
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ARG_QLP_COEFF_PREC_SEARCH,
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ARG_ESCAPE_CODING,
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ARG_EXHAUSTIVE_MODEL_SEARCH,
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ARG_MIN_RESIDUAL_PARTITION_ORDER,
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ARG_MAX_RESIDUAL_PARTITION_ORDER,
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ARG_RICE_PARAMETER_SEARCH_DIST,
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2001-12-23 13:56:23 +00:00
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};
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2002-09-15 22:26:33 +00:00
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static void gst_flacenc_init (FlacEnc *flacenc);
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static void gst_flacenc_class_init (FlacEncClass *klass);
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static void gst_flacenc_dispose (GObject *object);
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2001-12-23 13:56:23 +00:00
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2003-01-10 13:38:32 +00:00
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static GstPadLinkReturn
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2002-09-15 22:26:33 +00:00
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gst_flacenc_sinkconnect (GstPad *pad, GstCaps *caps);
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2003-10-08 16:08:18 +00:00
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static void gst_flacenc_chain (GstPad *pad, GstData *_data);
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2002-09-15 22:26:33 +00:00
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static gboolean gst_flacenc_update_quality (FlacEnc *flacenc, gint quality);
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static void gst_flacenc_set_property (GObject *object, guint prop_id,
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const GValue *value, GParamSpec *pspec);
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static void gst_flacenc_get_property (GObject *object, guint prop_id,
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GValue *value, GParamSpec *pspec);
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2002-09-15 17:48:42 +00:00
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static GstElementStateReturn
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2002-09-15 22:26:33 +00:00
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gst_flacenc_change_state (GstElement *element);
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2001-12-23 13:56:23 +00:00
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static FLAC__StreamEncoderWriteStatus
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2003-05-11 17:18:17 +00:00
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gst_flacenc_write_callback (const FLAC__SeekableStreamEncoder *encoder,
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2002-09-15 22:26:33 +00:00
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const FLAC__byte buffer[], unsigned bytes,
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unsigned samples, unsigned current_frame,
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void *client_data);
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2003-05-11 17:18:17 +00:00
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static FLAC__SeekableStreamEncoderSeekStatus
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gst_flacenc_seek_callback (const FLAC__SeekableStreamEncoder *encoder,
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FLAC__uint64 absolute_byte_offset,
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2002-09-15 22:26:33 +00:00
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void *client_data);
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2001-12-23 13:56:23 +00:00
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static GstElementClass *parent_class = NULL;
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2002-03-19 04:10:05 +00:00
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/*static guint gst_flacenc_signals[LAST_SIGNAL] = { 0 }; */
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2001-12-23 13:56:23 +00:00
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GType
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flacenc_get_type (void)
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{
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static GType flacenc_type = 0;
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if (!flacenc_type) {
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static const GTypeInfo flacenc_info = {
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sizeof(FlacEncClass),
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NULL,
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NULL,
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(GClassInitFunc)gst_flacenc_class_init,
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NULL,
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NULL,
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sizeof(FlacEnc),
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0,
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(GInstanceInitFunc)gst_flacenc_init,
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};
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flacenc_type = g_type_register_static (GST_TYPE_ELEMENT, "FlacEnc", &flacenc_info, 0);
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}
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return flacenc_type;
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}
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2002-09-15 22:26:33 +00:00
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typedef struct {
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gboolean exhaustive_model_search;
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gboolean escape_coding;
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gboolean mid_side;
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gboolean loose_mid_side;
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guint qlp_coeff_precision;
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gboolean qlp_coeff_prec_search;
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guint min_residual_partition_order;
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guint max_residual_partition_order;
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guint rice_parameter_search_dist;
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guint max_lpc_order;
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guint blocksize;
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} FlacEncParams;
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static const FlacEncParams flacenc_params[] =
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{
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{ FALSE, FALSE, FALSE, FALSE, 0, FALSE, 2, 2, 0, 0, 1152 },
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{ FALSE, FALSE, TRUE, TRUE, 0, FALSE, 2, 2, 0, 0, 1152 },
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{ FALSE, FALSE, TRUE, FALSE, 0, FALSE, 0, 3, 0, 0, 1152 },
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{ FALSE, FALSE, FALSE, FALSE, 0, FALSE, 3, 3, 0, 6, 4608 },
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{ FALSE, FALSE, TRUE, TRUE, 0, FALSE, 3, 3, 0, 8, 4608 },
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{ FALSE, FALSE, TRUE, FALSE, 0, FALSE, 3, 3, 0, 8, 4608 },
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{ FALSE, FALSE, TRUE, FALSE, 0, FALSE, 0, 4, 0, 8, 4608 },
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{ TRUE, FALSE, TRUE, FALSE, 0, FALSE, 0, 6, 0, 8, 4608 },
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{ TRUE, FALSE, TRUE, FALSE, 0, FALSE, 0, 6, 0, 12, 4608 },
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{ TRUE, TRUE, TRUE, FALSE, 0, FALSE, 0, 16, 0, 32, 4608 },
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};
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#define DEFAULT_QUALITY 5
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#define GST_TYPE_FLACENC_QUALITY (gst_flacenc_quality_get_type ())
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GType
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gst_flacenc_quality_get_type (void)
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{
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static GType qtype = 0;
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if (qtype == 0) {
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static const GEnumValue values[] = {
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{ 0, "0", "0 - Fastest compression" },
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{ 1, "1", "1" },
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{ 2, "2", "2" },
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{ 3, "3", "3" },
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{ 4, "4", "4" },
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{ 5, "5", "5 - Default" },
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{ 6, "6", "6" },
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{ 7, "7", "7" },
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{ 8, "8", "8 - Highest compression " },
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{ 9, "9", "9 - Insane" },
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{ 0, NULL, NULL }
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};
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qtype = g_enum_register_static ("FlacEncQuality", values);
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}
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return qtype;
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}
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2001-12-23 13:56:23 +00:00
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static void
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gst_flacenc_class_init (FlacEncClass *klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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gobject_class = (GObjectClass*)klass;
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gstelement_class = (GstElementClass*)klass;
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parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
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2002-03-19 04:10:05 +00:00
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/* we have no properties atm so this is a bit silly */
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2001-12-23 13:56:23 +00:00
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gobject_class->set_property = gst_flacenc_set_property;
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gobject_class->get_property = gst_flacenc_get_property;
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2002-09-15 22:26:33 +00:00
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gobject_class->dispose = gst_flacenc_dispose;
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_QUALITY,
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g_param_spec_enum ("quality",
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"Quality",
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"Speed versus compression tradeoff",
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GST_TYPE_FLACENC_QUALITY, DEFAULT_QUALITY, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_STREAMABLE_SUBSET,
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g_param_spec_boolean ("streamable_subset",
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"Streamable subset",
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"true to limit encoder to generating a Subset stream, else false",
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TRUE, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MID_SIDE_STEREO,
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g_param_spec_boolean ("mid_side_stereo",
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"Do mid side stereo",
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"Do mid side stereo (only for stereo input)",
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flacenc_params[DEFAULT_QUALITY].mid_side, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LOOSE_MID_SIDE_STEREO,
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g_param_spec_boolean ("loose_mid_side_stereo",
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"Loose mid side stereo",
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"Loose mid side stereo",
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flacenc_params[DEFAULT_QUALITY].loose_mid_side, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_BLOCKSIZE,
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g_param_spec_uint ("blocksize",
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"Blocksize",
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"Blocksize in samples",
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FLAC__MIN_BLOCK_SIZE, FLAC__MAX_BLOCK_SIZE,
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flacenc_params[DEFAULT_QUALITY].blocksize, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MAX_LPC_ORDER,
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g_param_spec_uint ("max_lpc_order",
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"Max LPC order",
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"Max LPC order; 0 => use only fixed predictors",
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0, FLAC__MAX_LPC_ORDER,
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flacenc_params[DEFAULT_QUALITY].max_lpc_order, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_QLP_COEFF_PRECISION,
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g_param_spec_uint ("qlp_coeff_precision",
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"QLP coefficients precision",
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"Precision in bits of quantized linear-predictor coefficients; 0 = automatic",
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0, 32,
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flacenc_params[DEFAULT_QUALITY].qlp_coeff_precision, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_QLP_COEFF_PREC_SEARCH,
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g_param_spec_boolean ("qlp_coeff_prec_search",
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"Do QLP coefficients precision search",
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"false = use qlp_coeff_precision, "
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"true = search around qlp_coeff_precision, take best",
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flacenc_params[DEFAULT_QUALITY].qlp_coeff_prec_search, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_ESCAPE_CODING,
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g_param_spec_boolean ("escape_coding",
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"Do Escape coding",
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"search for escape codes in the entropy coding stage "
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"for slightly better compression",
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flacenc_params[DEFAULT_QUALITY].escape_coding, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_EXHAUSTIVE_MODEL_SEARCH,
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g_param_spec_boolean ("exhaustive_model_search",
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"Do exhaustive model search",
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"do exhaustive search of LP coefficient quantization (expensive!)",
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flacenc_params[DEFAULT_QUALITY].exhaustive_model_search, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MIN_RESIDUAL_PARTITION_ORDER,
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g_param_spec_uint ("min_residual_partition_order",
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"Min residual partition order",
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"Min residual partition order (above 4 doesn't usually help much)",
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0, 16,
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flacenc_params[DEFAULT_QUALITY].min_residual_partition_order, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MAX_RESIDUAL_PARTITION_ORDER,
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g_param_spec_uint ("max_residual_partition_order",
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"Max residual partition order",
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"Max residual partition order (above 4 doesn't usually help much)",
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0, 16,
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flacenc_params[DEFAULT_QUALITY].max_residual_partition_order, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_RICE_PARAMETER_SEARCH_DIST,
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g_param_spec_uint ("rice_parameter_search_dist",
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"rice_parameter_search_dist",
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"0 = try only calc'd parameter k; else try all [k-dist..k+dist] "
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"parameters, use best",
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0, FLAC__MAX_RICE_PARTITION_ORDER,
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flacenc_params[DEFAULT_QUALITY].rice_parameter_search_dist, G_PARAM_READWRITE));
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2002-09-15 17:48:42 +00:00
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gstelement_class->change_state = gst_flacenc_change_state;
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2001-12-23 13:56:23 +00:00
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}
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2002-09-15 22:26:33 +00:00
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static void
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gst_flacenc_init (FlacEnc *flacenc)
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{
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flacenc->sinkpad = gst_pad_new_from_template (gst_flacenc_sink_template, "sink");
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gst_element_add_pad(GST_ELEMENT(flacenc),flacenc->sinkpad);
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gst_pad_set_chain_function(flacenc->sinkpad,gst_flacenc_chain);
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2003-01-10 10:22:25 +00:00
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gst_pad_set_link_function (flacenc->sinkpad, gst_flacenc_sinkconnect);
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2002-09-15 22:26:33 +00:00
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flacenc->srcpad = gst_pad_new_from_template (gst_flacenc_src_template, "src");
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gst_element_add_pad(GST_ELEMENT(flacenc),flacenc->srcpad);
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GST_FLAG_SET (flacenc, GST_ELEMENT_EVENT_AWARE);
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2003-05-11 17:18:17 +00:00
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flacenc->encoder = FLAC__seekable_stream_encoder_new();
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2002-09-15 22:26:33 +00:00
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2003-05-11 17:18:17 +00:00
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FLAC__seekable_stream_encoder_set_write_callback (flacenc->encoder,
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2002-09-15 22:26:33 +00:00
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gst_flacenc_write_callback);
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2003-05-11 17:18:17 +00:00
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FLAC__seekable_stream_encoder_set_seek_callback (flacenc->encoder,
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gst_flacenc_seek_callback);
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FLAC__seekable_stream_encoder_set_client_data (flacenc->encoder,
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2002-09-15 22:26:33 +00:00
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flacenc);
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2003-05-11 17:18:17 +00:00
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flacenc->metadata = GST_CAPS_NEW (
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"flacenc_metadata",
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"application/x-gst-metadata",
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"DESCRIPTION", GST_PROPS_STRING ("Track encoded with GStreamer"),
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"DATE", GST_PROPS_STRING (""),
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|
|
"TRACKNUMBER", GST_PROPS_STRING (""),
|
|
|
|
"TITLE", GST_PROPS_STRING (""),
|
|
|
|
"ARTIST", GST_PROPS_STRING (""),
|
|
|
|
"ALBUM", GST_PROPS_STRING (""),
|
|
|
|
"GENRE", GST_PROPS_STRING (""),
|
|
|
|
"VERSION", GST_PROPS_STRING (""),
|
|
|
|
"COPYRIGHT", GST_PROPS_STRING (""),
|
|
|
|
"LICENSE", GST_PROPS_STRING (""),
|
|
|
|
"ORGANISATION", GST_PROPS_STRING (""),
|
|
|
|
"LOCATION", GST_PROPS_STRING (""),
|
|
|
|
"CONTACT", GST_PROPS_STRING (""),
|
|
|
|
"ISRC", GST_PROPS_STRING ("")
|
|
|
|
);
|
|
|
|
|
2002-09-15 22:26:33 +00:00
|
|
|
flacenc->negotiated = FALSE;
|
|
|
|
flacenc->first = TRUE;
|
|
|
|
flacenc->first_buf = NULL;
|
|
|
|
flacenc->data = NULL;
|
|
|
|
gst_flacenc_update_quality (flacenc, DEFAULT_QUALITY);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_flacenc_dispose (GObject *object)
|
|
|
|
{
|
|
|
|
FlacEnc *flacenc = GST_FLACENC (object);
|
|
|
|
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_delete (flacenc->encoder);
|
2002-09-15 22:26:33 +00:00
|
|
|
|
|
|
|
G_OBJECT_CLASS (parent_class)->dispose (object);
|
|
|
|
}
|
|
|
|
|
2003-01-10 13:38:32 +00:00
|
|
|
static GstPadLinkReturn
|
2002-01-13 22:27:25 +00:00
|
|
|
gst_flacenc_sinkconnect (GstPad *pad, GstCaps *caps)
|
2001-12-23 13:56:23 +00:00
|
|
|
{
|
2003-07-06 20:49:52 +00:00
|
|
|
GstPadLinkReturn ret;
|
2001-12-23 13:56:23 +00:00
|
|
|
FlacEnc *flacenc;
|
|
|
|
|
|
|
|
flacenc = GST_FLACENC (gst_pad_get_parent (pad));
|
|
|
|
|
2002-01-13 22:27:25 +00:00
|
|
|
if (!GST_CAPS_IS_FIXED (caps))
|
2003-01-10 10:22:25 +00:00
|
|
|
return GST_PAD_LINK_DELAYED;
|
2002-01-13 22:27:25 +00:00
|
|
|
|
2002-03-30 17:06:26 +00:00
|
|
|
gst_caps_get_int (caps, "channels", &flacenc->channels);
|
|
|
|
gst_caps_get_int (caps, "depth", &flacenc->depth);
|
|
|
|
gst_caps_get_int (caps, "rate", &flacenc->sample_rate);
|
2003-05-11 17:18:17 +00:00
|
|
|
|
2003-07-06 20:49:52 +00:00
|
|
|
caps = GST_CAPS_NEW ("flacenc_srccaps",
|
|
|
|
"audio/x-flac",
|
|
|
|
"channels", GST_PROPS_INT (flacenc->channels),
|
|
|
|
"rate", GST_PROPS_INT (flacenc->sample_rate));
|
|
|
|
ret = gst_pad_try_set_caps (flacenc->srcpad, caps);
|
|
|
|
if (ret <= 0) {
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_set_bits_per_sample (flacenc->encoder,
|
2002-09-15 17:48:42 +00:00
|
|
|
flacenc->depth);
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_set_sample_rate (flacenc->encoder,
|
2002-09-15 17:48:42 +00:00
|
|
|
flacenc->sample_rate);
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_set_channels (flacenc->encoder,
|
2002-09-15 17:48:42 +00:00
|
|
|
flacenc->channels);
|
|
|
|
|
|
|
|
flacenc->negotiated = TRUE;
|
2002-01-13 22:27:25 +00:00
|
|
|
|
2003-07-06 20:49:52 +00:00
|
|
|
return ret;
|
2001-12-23 13:56:23 +00:00
|
|
|
}
|
|
|
|
|
2002-09-15 22:26:33 +00:00
|
|
|
static gboolean
|
|
|
|
gst_flacenc_update_quality (FlacEnc *flacenc, gint quality)
|
2001-12-23 13:56:23 +00:00
|
|
|
{
|
2002-09-15 22:26:33 +00:00
|
|
|
flacenc->quality = quality;
|
|
|
|
|
2002-09-21 11:14:39 +00:00
|
|
|
#define DO_UPDATE(name, val, str) \
|
2002-09-19 15:17:02 +00:00
|
|
|
G_STMT_START { \
|
2003-05-11 17:18:17 +00:00
|
|
|
if (FLAC__seekable_stream_encoder_get_##name (flacenc->encoder) != \
|
2002-09-19 15:17:02 +00:00
|
|
|
flacenc_params[quality].val) { \
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_set_##name (flacenc->encoder, \
|
2002-09-19 15:17:02 +00:00
|
|
|
flacenc_params[quality].val); \
|
|
|
|
g_object_notify (G_OBJECT (flacenc), str); \
|
|
|
|
} \
|
|
|
|
} G_STMT_END
|
2002-09-15 22:26:33 +00:00
|
|
|
|
|
|
|
g_object_freeze_notify (G_OBJECT (flacenc));
|
|
|
|
|
|
|
|
DO_UPDATE (do_mid_side_stereo, mid_side, "mid_side_stereo");
|
|
|
|
DO_UPDATE (loose_mid_side_stereo, loose_mid_side, "loose_mid_side");
|
|
|
|
DO_UPDATE (blocksize, blocksize, "blocksize");
|
|
|
|
DO_UPDATE (max_lpc_order, max_lpc_order, "max_lpc_order");
|
|
|
|
DO_UPDATE (qlp_coeff_precision, qlp_coeff_precision, "qlp_coeff_precision");
|
|
|
|
DO_UPDATE (do_qlp_coeff_prec_search, qlp_coeff_prec_search, "qlp_coeff_prec_search");
|
|
|
|
DO_UPDATE (do_escape_coding, escape_coding, "escape_coding");
|
|
|
|
DO_UPDATE (do_exhaustive_model_search, exhaustive_model_search, "exhaustive_model_search");
|
|
|
|
DO_UPDATE (min_residual_partition_order, min_residual_partition_order, "min_residual_partition_order");
|
|
|
|
DO_UPDATE (max_residual_partition_order, max_residual_partition_order, "max_residual_partition_order");
|
|
|
|
DO_UPDATE (rice_parameter_search_dist, rice_parameter_search_dist, "rice_parameter_search_dist");
|
|
|
|
|
|
|
|
#undef DO_UPDATE
|
|
|
|
|
|
|
|
g_object_thaw_notify (G_OBJECT (flacenc));
|
|
|
|
|
|
|
|
return TRUE;
|
2001-12-23 13:56:23 +00:00
|
|
|
}
|
|
|
|
|
2003-05-11 17:18:17 +00:00
|
|
|
static FLAC__SeekableStreamEncoderSeekStatus
|
|
|
|
gst_flacenc_seek_callback (const FLAC__SeekableStreamEncoder *encoder,
|
|
|
|
FLAC__uint64 absolute_byte_offset,
|
|
|
|
void *client_data)
|
|
|
|
{
|
|
|
|
FlacEnc *flacenc;
|
|
|
|
GstEvent *event;
|
|
|
|
|
|
|
|
flacenc = GST_FLACENC (client_data);
|
|
|
|
|
|
|
|
if (flacenc->stopped)
|
|
|
|
return FLAC__STREAM_ENCODER_OK;
|
|
|
|
|
|
|
|
event = gst_event_new_seek ((GstSeekType)(int)(GST_FORMAT_BYTES | GST_SEEK_METHOD_SET), absolute_byte_offset);
|
|
|
|
|
|
|
|
if (event)
|
2003-10-08 16:08:18 +00:00
|
|
|
gst_pad_push (flacenc->srcpad, GST_DATA (event));
|
2003-05-11 17:18:17 +00:00
|
|
|
|
|
|
|
return FLAC__STREAM_ENCODER_OK;
|
|
|
|
}
|
|
|
|
|
2001-12-23 13:56:23 +00:00
|
|
|
static FLAC__StreamEncoderWriteStatus
|
2003-05-11 17:18:17 +00:00
|
|
|
gst_flacenc_write_callback (const FLAC__SeekableStreamEncoder *encoder,
|
2002-09-15 17:48:42 +00:00
|
|
|
const FLAC__byte buffer[], unsigned bytes,
|
|
|
|
unsigned samples, unsigned current_frame,
|
|
|
|
void *client_data)
|
2001-12-23 13:56:23 +00:00
|
|
|
{
|
|
|
|
FlacEnc *flacenc;
|
|
|
|
GstBuffer *outbuf;
|
2003-05-11 17:18:17 +00:00
|
|
|
|
2001-12-23 13:56:23 +00:00
|
|
|
flacenc = GST_FLACENC (client_data);
|
|
|
|
|
2002-09-15 22:26:33 +00:00
|
|
|
if (flacenc->stopped)
|
2002-09-29 20:51:19 +00:00
|
|
|
return FLAC__STREAM_ENCODER_OK;
|
2002-09-15 22:26:33 +00:00
|
|
|
|
|
|
|
outbuf = gst_buffer_new_and_alloc (bytes);
|
2001-12-23 13:56:23 +00:00
|
|
|
|
|
|
|
memcpy (GST_BUFFER_DATA (outbuf), buffer, bytes);
|
|
|
|
|
2002-06-07 20:09:05 +00:00
|
|
|
if (flacenc->first) {
|
|
|
|
flacenc->first_buf = outbuf;
|
|
|
|
gst_buffer_ref (outbuf);
|
|
|
|
flacenc->first = FALSE;
|
|
|
|
}
|
|
|
|
|
2003-10-08 16:08:18 +00:00
|
|
|
gst_pad_push (flacenc->srcpad, GST_DATA (outbuf));
|
2001-12-23 13:56:23 +00:00
|
|
|
|
2002-09-29 20:51:19 +00:00
|
|
|
return FLAC__STREAM_ENCODER_OK;
|
2001-12-23 13:56:23 +00:00
|
|
|
}
|
|
|
|
|
2003-05-11 17:18:17 +00:00
|
|
|
static void
|
|
|
|
gst_flacenc_set_metadata (FlacEnc *flacenc, GstCaps *caps)
|
2001-12-23 13:56:23 +00:00
|
|
|
{
|
2003-05-11 17:18:17 +00:00
|
|
|
guint indice;
|
|
|
|
guint comments;
|
|
|
|
const gchar *meta_types[] = { "TITLE", "VERSION", "ALBUM", "TRACKNUMBER",
|
|
|
|
"ARTIST", "PERFORMER", "COPYRIGHT", "LICENSE",
|
|
|
|
"ORGANISATION", "DESCRIPTION", "GENRE", "DATE",
|
|
|
|
"LOCATION", "CONTACT", "ISRC", NULL };
|
2002-06-07 20:09:05 +00:00
|
|
|
|
2003-05-11 17:18:17 +00:00
|
|
|
g_return_if_fail (flacenc != NULL);
|
2002-06-07 20:09:05 +00:00
|
|
|
|
2003-05-11 17:18:17 +00:00
|
|
|
flacenc->meta = g_malloc (sizeof (FLAC__StreamMetadata **));
|
2002-06-07 20:09:05 +00:00
|
|
|
|
2003-05-11 17:18:17 +00:00
|
|
|
flacenc->meta[0] = FLAC__metadata_object_new (FLAC__METADATA_TYPE_VORBIS_COMMENT);
|
|
|
|
|
|
|
|
for ( indice = 0, comments=0; meta_types[indice] != NULL; indice++) {
|
|
|
|
if (gst_caps_has_property(caps, meta_types[indice])) {
|
|
|
|
const gchar *entry;
|
|
|
|
gchar *data;
|
|
|
|
FLAC__StreamMetadata_VorbisComment_Entry commment_entry;
|
|
|
|
|
|
|
|
gst_caps_get_string(caps, (gchar *)meta_types[indice], &entry);
|
|
|
|
|
|
|
|
if (!strcmp (entry, ""))
|
|
|
|
continue;
|
|
|
|
|
|
|
|
data = g_strdup_printf("%s=%s", meta_types[indice], entry);
|
|
|
|
commment_entry.length = GUINT32_TO_LE (strlen(entry) + strlen(meta_types[indice]) + 1);
|
|
|
|
commment_entry.entry = g_convert (data, commment_entry.length, "UTF8", "ISO-8859-1", NULL, NULL, NULL);
|
|
|
|
|
|
|
|
FLAC__metadata_object_vorbiscomment_insert_comment (flacenc->meta[0], comments++, commment_entry, TRUE);
|
|
|
|
}
|
|
|
|
}
|
2002-06-07 20:09:05 +00:00
|
|
|
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_set_metadata(flacenc->encoder, flacenc->meta, 1);
|
|
|
|
}
|
2002-06-07 20:09:05 +00:00
|
|
|
|
|
|
|
|
2001-12-23 13:56:23 +00:00
|
|
|
|
|
|
|
static void
|
2003-10-08 16:08:18 +00:00
|
|
|
gst_flacenc_chain (GstPad *pad, GstData *_data)
|
2001-12-23 13:56:23 +00:00
|
|
|
{
|
2003-10-08 16:08:18 +00:00
|
|
|
GstBuffer *buf = GST_BUFFER (_data);
|
2001-12-23 13:56:23 +00:00
|
|
|
FlacEnc *flacenc;
|
2002-09-15 22:26:33 +00:00
|
|
|
FLAC__int32 *data;
|
2001-12-23 13:56:23 +00:00
|
|
|
gulong insize;
|
2002-09-15 22:26:33 +00:00
|
|
|
gint samples, depth;
|
|
|
|
gulong i;
|
|
|
|
FLAC__bool res;
|
2001-12-23 13:56:23 +00:00
|
|
|
|
|
|
|
g_return_if_fail(buf != NULL);
|
|
|
|
|
|
|
|
flacenc = GST_FLACENC (gst_pad_get_parent (pad));
|
|
|
|
|
2002-06-07 20:09:05 +00:00
|
|
|
if (GST_IS_EVENT (buf)) {
|
|
|
|
GstEvent *event = GST_EVENT (buf);
|
|
|
|
|
|
|
|
switch (GST_EVENT_TYPE (event)) {
|
|
|
|
case GST_EVENT_EOS:
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_finish(flacenc->encoder);
|
2002-06-07 20:09:05 +00:00
|
|
|
default:
|
|
|
|
gst_pad_event_default (pad, event);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2002-09-15 17:48:42 +00:00
|
|
|
if (!flacenc->negotiated) {
|
2003-09-16 10:00:02 +00:00
|
|
|
gst_element_error (GST_ELEMENT (flacenc),
|
|
|
|
"format not negotiated");
|
2002-09-15 17:48:42 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2001-12-23 13:56:23 +00:00
|
|
|
depth = flacenc->depth;
|
|
|
|
|
|
|
|
insize = GST_BUFFER_SIZE (buf);
|
2002-09-15 22:26:33 +00:00
|
|
|
samples = insize / ((depth+7)>>3);
|
2001-12-23 13:56:23 +00:00
|
|
|
|
2003-05-11 17:18:17 +00:00
|
|
|
if (FLAC__seekable_stream_encoder_get_state (flacenc->encoder) ==
|
|
|
|
FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
|
2002-09-15 17:48:42 +00:00
|
|
|
{
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__SeekableStreamEncoderState state;
|
2001-12-23 13:56:23 +00:00
|
|
|
|
2003-05-11 17:18:17 +00:00
|
|
|
gst_flacenc_set_metadata (flacenc, flacenc->metadata);
|
|
|
|
state = FLAC__seekable_stream_encoder_init (flacenc->encoder);
|
2002-09-15 22:26:33 +00:00
|
|
|
if (state != FLAC__STREAM_ENCODER_OK) {
|
2003-09-16 10:00:02 +00:00
|
|
|
gst_element_error (GST_ELEMENT (flacenc),
|
|
|
|
"could not initialize encoder (wrong parameters?)");
|
2002-09-15 22:26:33 +00:00
|
|
|
return;
|
|
|
|
}
|
2001-12-23 13:56:23 +00:00
|
|
|
}
|
|
|
|
|
2002-09-15 22:26:33 +00:00
|
|
|
/* we keep a pointer in the flacenc struct because we are freeing the data
|
|
|
|
* after a push opreration that might never return */
|
|
|
|
data = flacenc->data = g_malloc (samples * sizeof (FLAC__int32));
|
2001-12-23 13:56:23 +00:00
|
|
|
|
|
|
|
if (depth == 8) {
|
|
|
|
gint8 *indata = (gint8 *) GST_BUFFER_DATA (buf);
|
2002-09-15 22:26:33 +00:00
|
|
|
|
2003-05-11 17:18:17 +00:00
|
|
|
|
2002-09-15 22:26:33 +00:00
|
|
|
for (i=0; i<samples; i++) {
|
|
|
|
data[i] = (FLAC__int32) *indata++;
|
2001-12-23 13:56:23 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
else if (depth == 16) {
|
|
|
|
gint16 *indata = (gint16 *) GST_BUFFER_DATA (buf);
|
2002-09-15 22:26:33 +00:00
|
|
|
|
|
|
|
for (i=0; i<samples; i++) {
|
|
|
|
data[i] = (FLAC__int32) *indata++;
|
2001-12-23 13:56:23 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2002-09-15 22:26:33 +00:00
|
|
|
gst_buffer_unref(buf);
|
2001-12-23 13:56:23 +00:00
|
|
|
|
2003-05-11 17:18:17 +00:00
|
|
|
res = FLAC__seekable_stream_encoder_process_interleaved (flacenc->encoder,
|
2002-09-15 22:26:33 +00:00
|
|
|
(const FLAC__int32 *) data, samples / flacenc->channels);
|
2001-12-23 13:56:23 +00:00
|
|
|
|
2002-09-15 22:26:33 +00:00
|
|
|
g_free (flacenc->data);
|
|
|
|
flacenc->data = NULL;
|
|
|
|
|
|
|
|
if (!res) {
|
2003-09-16 10:00:02 +00:00
|
|
|
gst_element_error (GST_ELEMENT (flacenc),
|
|
|
|
"encoding error");
|
2002-09-15 22:26:33 +00:00
|
|
|
}
|
2001-12-23 13:56:23 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2002-09-15 17:48:42 +00:00
|
|
|
gst_flacenc_set_property (GObject *object, guint prop_id,
|
|
|
|
const GValue *value, GParamSpec *pspec)
|
2001-12-23 13:56:23 +00:00
|
|
|
{
|
|
|
|
FlacEnc *this;
|
|
|
|
|
|
|
|
this = (FlacEnc *)object;
|
|
|
|
switch (prop_id) {
|
2002-09-15 22:26:33 +00:00
|
|
|
case ARG_QUALITY:
|
|
|
|
gst_flacenc_update_quality (this, g_value_get_enum (value));
|
|
|
|
break;
|
|
|
|
case ARG_STREAMABLE_SUBSET:
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_set_streamable_subset (this->encoder,
|
2002-09-15 22:26:33 +00:00
|
|
|
g_value_get_boolean (value));
|
|
|
|
break;
|
|
|
|
case ARG_MID_SIDE_STEREO:
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_set_do_mid_side_stereo (this->encoder,
|
2002-09-15 22:26:33 +00:00
|
|
|
g_value_get_boolean (value));
|
|
|
|
break;
|
|
|
|
case ARG_LOOSE_MID_SIDE_STEREO:
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_set_loose_mid_side_stereo (this->encoder,
|
2002-09-15 22:26:33 +00:00
|
|
|
g_value_get_boolean (value));
|
|
|
|
break;
|
|
|
|
case ARG_BLOCKSIZE:
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_set_blocksize (this->encoder,
|
2002-09-15 22:26:33 +00:00
|
|
|
g_value_get_uint (value));
|
|
|
|
break;
|
|
|
|
case ARG_MAX_LPC_ORDER:
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_set_max_lpc_order (this->encoder,
|
2002-09-15 22:26:33 +00:00
|
|
|
g_value_get_uint (value));
|
|
|
|
break;
|
|
|
|
case ARG_QLP_COEFF_PRECISION:
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_set_qlp_coeff_precision (this->encoder,
|
2002-09-15 22:26:33 +00:00
|
|
|
g_value_get_uint (value));
|
|
|
|
break;
|
|
|
|
case ARG_QLP_COEFF_PREC_SEARCH:
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_set_do_qlp_coeff_prec_search (this->encoder,
|
2002-09-15 22:26:33 +00:00
|
|
|
g_value_get_boolean (value));
|
|
|
|
break;
|
|
|
|
case ARG_ESCAPE_CODING:
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_set_do_escape_coding (this->encoder,
|
2002-09-15 22:26:33 +00:00
|
|
|
g_value_get_boolean (value));
|
|
|
|
break;
|
|
|
|
case ARG_EXHAUSTIVE_MODEL_SEARCH:
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_set_do_exhaustive_model_search (this->encoder,
|
2002-09-15 22:26:33 +00:00
|
|
|
g_value_get_boolean (value));
|
|
|
|
break;
|
|
|
|
case ARG_MIN_RESIDUAL_PARTITION_ORDER:
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_set_min_residual_partition_order (this->encoder,
|
2002-09-15 22:26:33 +00:00
|
|
|
g_value_get_uint (value));
|
|
|
|
break;
|
|
|
|
case ARG_MAX_RESIDUAL_PARTITION_ORDER:
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_set_max_residual_partition_order (this->encoder,
|
2002-09-15 22:26:33 +00:00
|
|
|
g_value_get_uint (value));
|
|
|
|
break;
|
|
|
|
case ARG_RICE_PARAMETER_SEARCH_DIST:
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_set_rice_parameter_search_dist (this->encoder,
|
2002-09-15 22:26:33 +00:00
|
|
|
g_value_get_uint (value));
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
|
|
return;
|
2001-12-23 13:56:23 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2002-09-15 17:48:42 +00:00
|
|
|
gst_flacenc_get_property (GObject *object, guint prop_id,
|
|
|
|
GValue *value, GParamSpec *pspec)
|
2001-12-23 13:56:23 +00:00
|
|
|
{
|
|
|
|
FlacEnc *this;
|
|
|
|
|
|
|
|
this = (FlacEnc *)object;
|
|
|
|
|
|
|
|
switch (prop_id) {
|
2002-09-15 22:26:33 +00:00
|
|
|
case ARG_QUALITY:
|
|
|
|
g_value_set_enum (value, this->quality);
|
|
|
|
break;
|
|
|
|
case ARG_STREAMABLE_SUBSET:
|
|
|
|
g_value_set_boolean (value,
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_get_streamable_subset (this->encoder));
|
2002-09-15 22:26:33 +00:00
|
|
|
break;
|
|
|
|
case ARG_MID_SIDE_STEREO:
|
|
|
|
g_value_set_boolean (value,
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_get_do_mid_side_stereo (this->encoder));
|
2002-09-15 22:26:33 +00:00
|
|
|
break;
|
|
|
|
case ARG_LOOSE_MID_SIDE_STEREO:
|
|
|
|
g_value_set_boolean (value,
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_get_loose_mid_side_stereo (this->encoder));
|
2002-09-15 22:26:33 +00:00
|
|
|
break;
|
|
|
|
case ARG_BLOCKSIZE:
|
|
|
|
g_value_set_uint (value,
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_get_blocksize (this->encoder));
|
2002-09-15 22:26:33 +00:00
|
|
|
break;
|
|
|
|
case ARG_MAX_LPC_ORDER:
|
|
|
|
g_value_set_uint (value,
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_get_max_lpc_order (this->encoder));
|
2002-09-15 22:26:33 +00:00
|
|
|
break;
|
|
|
|
case ARG_QLP_COEFF_PRECISION:
|
|
|
|
g_value_set_uint (value,
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_get_qlp_coeff_precision (this->encoder));
|
2002-09-15 22:26:33 +00:00
|
|
|
break;
|
|
|
|
case ARG_QLP_COEFF_PREC_SEARCH:
|
|
|
|
g_value_set_boolean (value,
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_get_do_qlp_coeff_prec_search (this->encoder));
|
2002-09-15 22:26:33 +00:00
|
|
|
break;
|
|
|
|
case ARG_ESCAPE_CODING:
|
|
|
|
g_value_set_boolean (value,
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_get_do_escape_coding (this->encoder));
|
2002-09-15 22:26:33 +00:00
|
|
|
break;
|
|
|
|
case ARG_EXHAUSTIVE_MODEL_SEARCH:
|
|
|
|
g_value_set_boolean (value,
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_get_do_exhaustive_model_search (this->encoder));
|
2002-09-15 22:26:33 +00:00
|
|
|
break;
|
|
|
|
case ARG_MIN_RESIDUAL_PARTITION_ORDER:
|
|
|
|
g_value_set_uint (value,
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_get_min_residual_partition_order (this->encoder));
|
2002-09-15 22:26:33 +00:00
|
|
|
break;
|
|
|
|
case ARG_MAX_RESIDUAL_PARTITION_ORDER:
|
|
|
|
g_value_set_uint (value,
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_get_max_residual_partition_order (this->encoder));
|
2002-09-15 22:26:33 +00:00
|
|
|
break;
|
|
|
|
case ARG_RICE_PARAMETER_SEARCH_DIST:
|
|
|
|
g_value_set_uint (value,
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_get_rice_parameter_search_dist (this->encoder));
|
2002-09-15 22:26:33 +00:00
|
|
|
break;
|
|
|
|
default:
|
|
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
|
|
break;
|
2001-12-23 13:56:23 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2002-09-15 17:48:42 +00:00
|
|
|
static GstElementStateReturn
|
|
|
|
gst_flacenc_change_state (GstElement *element)
|
|
|
|
{
|
|
|
|
FlacEnc *flacenc = GST_FLACENC (element);
|
|
|
|
|
|
|
|
switch (GST_STATE_TRANSITION (element)) {
|
|
|
|
case GST_STATE_NULL_TO_READY:
|
|
|
|
case GST_STATE_READY_TO_PAUSED:
|
2002-09-15 22:26:33 +00:00
|
|
|
flacenc->first = TRUE;
|
|
|
|
flacenc->stopped = FALSE;
|
2002-09-15 17:48:42 +00:00
|
|
|
break;
|
|
|
|
case GST_STATE_PAUSED_TO_PLAYING:
|
|
|
|
case GST_STATE_PLAYING_TO_PAUSED:
|
|
|
|
break;
|
|
|
|
case GST_STATE_PAUSED_TO_READY:
|
2003-05-11 17:18:17 +00:00
|
|
|
if (FLAC__seekable_stream_encoder_get_state (flacenc->encoder) !=
|
2002-09-15 22:26:33 +00:00
|
|
|
FLAC__STREAM_ENCODER_UNINITIALIZED) {
|
|
|
|
flacenc->stopped = TRUE;
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__seekable_stream_encoder_finish (flacenc->encoder);
|
2002-09-15 22:26:33 +00:00
|
|
|
}
|
2002-09-15 17:48:42 +00:00
|
|
|
flacenc->negotiated = FALSE;
|
2002-09-15 22:26:33 +00:00
|
|
|
if (flacenc->first_buf)
|
|
|
|
gst_buffer_unref (flacenc->first_buf);
|
|
|
|
flacenc->first_buf = NULL;
|
|
|
|
g_free (flacenc->data);
|
|
|
|
flacenc->data = NULL;
|
2003-05-11 17:18:17 +00:00
|
|
|
FLAC__metadata_object_delete (flacenc->meta[0]);
|
|
|
|
g_free (flacenc->meta);
|
2002-09-15 17:48:42 +00:00
|
|
|
break;
|
|
|
|
case GST_STATE_READY_TO_NULL:
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (GST_ELEMENT_CLASS (parent_class)->change_state)
|
|
|
|
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
|
|
|
|
|
|
|
|
return GST_STATE_SUCCESS;
|
|
|
|
}
|