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      1 /*
      2  INTEL CONFIDENTIAL
      3  Copyright 2009 Intel Corporation All Rights Reserved.
      4  The source code contained or described herein and all documents related to the source code ("Material") are owned by Intel Corporation or its suppliers or licensors. Title to the Material remains with Intel Corporation or its suppliers and licensors. The Material contains trade secrets and proprietary and confidential information of Intel or its suppliers and licensors. The Material is protected by worldwide copyright and trade secret laws and treaty provisions. No part of the Material may be used, copied, reproduced, modified, published, uploaded, posted, transmitted, distributed, or disclosed in any way without Intels prior express written permission.
      5 
      6  No license under any patent, copyright, trade secret or other intellectual property right is granted to or conferred upon you by disclosure or delivery of the Materials, either expressly, by implication, inducement, estoppel or otherwise. Any license under such intellectual property rights must be express and approved by Intel in writing.
      7 */
      8 
      9 /**
     10  * SECTION:mixacpmp3
     11  * @short_description: Audio configuration parameters for MP3 audio.
     12  * @include: mixacpmp3.h
     13  *
     14  * A data object which stores audio specific parameters for MP3 audio.
     15  *
     16  * Additional parameters must be set in the parent object #MixAudioConfigParams
     17  */
     18 
     19 #include "mixacpmp3.h"
     20 
     21 static GType _mix_acp_mp3_type = 0;
     22 static MixAudioConfigParamsClass *parent_class = NULL;
     23 
     24 #define _do_init { _mix_acp_mp3_type = g_define_type_id; }
     25 
     26 gboolean mix_acp_mp3_copy(MixParams* target, const MixParams *src);
     27 MixParams* mix_acp_mp3_dup(const MixParams *obj);
     28 gboolean mix_acp_mp3_equal(MixParams* first, MixParams *second);
     29 static void mix_acp_mp3_finalize(MixParams *obj);
     30 
     31 G_DEFINE_TYPE_WITH_CODE(MixAudioConfigParamsMP3, mix_acp_mp3, MIX_TYPE_AUDIOCONFIGPARAMS, _do_init);
     32 
     33 static void mix_acp_mp3_init (MixAudioConfigParamsMP3 *self)
     34 {
     35   self->CRC=FALSE;
     36   self->MPEG_format=0;
     37   self->MPEG_layer=0;
     38 }
     39 
     40 static void mix_acp_mp3_class_init(MixAudioConfigParamsMP3Class *klass)
     41 {
     42   MixParamsClass *mixparams_class = MIX_PARAMS_CLASS(klass);
     43 
     44   /* setup static parent class */
     45   parent_class = (MixAudioConfigParamsClass *) g_type_class_peek_parent (klass);
     46 
     47   mixparams_class->finalize = mix_acp_mp3_finalize;
     48   mixparams_class->copy = (MixParamsCopyFunction)mix_acp_mp3_copy;
     49   mixparams_class->dup = (MixParamsDupFunction)mix_acp_mp3_dup;
     50   mixparams_class->equal = (MixParamsEqualFunction)mix_acp_mp3_equal;
     51 }
     52 
     53 MixAudioConfigParamsMP3 *mix_acp_mp3_new(void)
     54 {
     55   MixAudioConfigParamsMP3 *ret = (MixAudioConfigParamsMP3 *)g_type_create_instance (MIX_TYPE_AUDIOCONFIGPARAMSMP3);
     56 
     57   return ret;
     58 }
     59 
     60 void mix_acp_mp3_finalize(MixParams *obj)
     61 {
     62   /* clean up here. */
     63 
     64   /* Chain up parent */
     65   MixParamsClass *klass = MIX_PARAMS_CLASS(parent_class);
     66   if (klass->finalize)
     67     klass->finalize(obj);
     68 }
     69 
     70 MixAudioConfigParamsMP3 *mix_acp_mp3_ref(MixAudioConfigParamsMP3 *mix)
     71 {
     72   if (G_UNLIKELY(!mix)) return NULL;
     73   return (MixAudioConfigParamsMP3*)mix_params_ref(MIX_PARAMS(mix));
     74 }
     75 
     76 /**
     77  * mix_acp_mp3_dup:
     78  * @obj: a #MixAudioConfigParamsMP3 object
     79  * @returns: a newly allocated duplicate of the object.
     80  *
     81  * Copy duplicate of the object.
     82  */
     83 MixParams* mix_acp_mp3_dup(const MixParams *obj)
     84 {
     85   MixParams *ret = NULL;
     86 
     87   if (MIX_IS_AUDIOCONFIGPARAMSMP3(obj))
     88   {
     89     MixAudioConfigParamsMP3 *duplicate = mix_acp_mp3_new();
     90     if (mix_acp_mp3_copy(MIX_PARAMS(duplicate), MIX_PARAMS(obj)))
     91     {
     92       ret = MIX_PARAMS(duplicate);
     93     }
     94     else
     95     {
     96       mix_acp_mp3_unref(duplicate);
     97     }
     98   }
     99 
    100   return ret;
    101 }
    102 
    103 /**
    104  * mix_acp_mp3_copy:
    105  * @target: copy to target
    106  * @src: copy from src
    107  * @returns: boolean indicates if copy is successful.
    108  *
    109  * Copy instance data from @src to @target.
    110  */
    111 gboolean mix_acp_mp3_copy(MixParams* target, const MixParams *src)
    112 {
    113   if (MIX_IS_AUDIOCONFIGPARAMSMP3(target) && MIX_IS_AUDIOCONFIGPARAMSMP3(src))
    114   {
    115     MixAudioConfigParamsMP3 *t = MIX_AUDIOCONFIGPARAMSMP3(target);
    116     MixAudioConfigParamsMP3 *s = MIX_AUDIOCONFIGPARAMSMP3(src);
    117 
    118     t->CRC = s->CRC;
    119     t->MPEG_format = s->MPEG_format;
    120     t->MPEG_layer = s->MPEG_layer;
    121 
    122     // Now chainup base class
    123     MixParamsClass *klass = MIX_PARAMS_CLASS(parent_class);
    124     if (klass->copy)
    125     {
    126       return klass->copy(MIX_PARAMS_CAST(target), MIX_PARAMS_CAST(src));
    127     }
    128     else
    129       return TRUE;
    130   }
    131   return FALSE;
    132 }
    133 
    134 /**
    135  * mix_acp_mp3_equal:
    136  * @first: first object to compare
    137  * @second: seond object to compare
    138  * @returns: boolean indicates if instance are equal.
    139  *
    140  * Copy instance data from @src to @target.
    141  */
    142 gboolean mix_acp_mp3_equal(MixParams* first, MixParams *second)
    143 {
    144   gboolean ret = FALSE;
    145 
    146   if (first && second)
    147   {
    148     if (first == second) return TRUE;
    149   }
    150   else
    151   {
    152     return FALSE;
    153   }
    154 
    155   // members within this scope equal. chaining up.
    156   MixParamsClass *klass = MIX_PARAMS_CLASS(parent_class);
    157   if (klass->equal)
    158     ret = klass->equal(first, second);
    159   else
    160     ret = TRUE;
    161 
    162   if (ret && MIX_IS_AUDIOCONFIGPARAMSMP3(first) && MIX_IS_AUDIOCONFIGPARAMSMP3(second))
    163   {
    164     MixAudioConfigParamsMP3 *acp1 = MIX_AUDIOCONFIGPARAMSMP3(first);
    165     MixAudioConfigParamsMP3 *acp2 = MIX_AUDIOCONFIGPARAMSMP3(second);
    166 
    167     ret = (acp1->CRC == acp2->CRC) &&
    168           (acp1->MPEG_format == acp2->MPEG_format) &&
    169           (acp1->MPEG_layer == acp2->MPEG_layer);
    170   }
    171 
    172   return ret;
    173 }
    174 
    175 
    176