* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
-#if defined(__PLUGIN__) || defined(__BUILTIN__) || !defined(__LIBVLC__)
-# error This header file can only be included from LibVLC.
-#endif
+#ifndef LIBVLC_AOUT_INTERNAL_H
+# define LIBVLC_AOUT_INTERNAL_H 1
-#ifndef __LIBVLC_AOUT_INTERNAL_H
-# define __LIBVLC_AOUT_INTERNAL_H 1
+/* Max input rate factor (1/4 -> 4) */
+# define AOUT_MAX_INPUT_RATE (4)
-#if defined( __APPLE__ ) || defined( SYS_BSD )
-#undef HAVE_ALLOCA
-#endif
+enum {
+ AOUT_RESAMPLING_NONE=0,
+ AOUT_RESAMPLING_UP,
+ AOUT_RESAMPLING_DOWN
+};
-#ifdef HAVE_ALLOCA
-# define ALLOCA_TEST( p_alloc, p_new_buffer ) \
- if ( (p_alloc)->i_alloc_type == AOUT_ALLOC_STACK ) \
- { \
- (p_new_buffer) = alloca( i_alloc_size + sizeof(aout_buffer_t) );\
- i_alloc_type = AOUT_ALLOC_STACK; \
- } \
- else
-#else
-# define ALLOCA_TEST( p_alloc, p_new_buffer )
-#endif
+typedef struct
+{
+ struct vout_thread_t *(*pf_request_vout)( void *, struct vout_thread_t *,
+ video_format_t *, bool );
+ void *p_private;
+} aout_request_vout_t;
+
+struct filter_owner_sys_t
+{
+ audio_output_t *p_aout;
+ aout_input_t *p_input;
+};
+
+/** an input stream for the audio output */
+struct aout_input_t
+{
+ unsigned samplerate; /**< Input sample rate */
+
+ /* pre-filters */
+ filter_t * pp_filters[AOUT_MAX_FILTERS];
+ int i_nb_filters;
+
+ filter_t * p_playback_rate_filter;
+
+ /* resamplers */
+ filter_t * pp_resamplers[AOUT_MAX_FILTERS];
+ int i_nb_resamplers;
+ int i_resampling_type;
+ mtime_t i_resamp_start_date;
+ int i_resamp_start_drift;
+
+ /* last rate from input */
+ int i_last_input_rate;
+
+ /* */
+ int i_buffer_lost;
+
+ /* */
+ bool b_recycle_vout;
+ aout_request_vout_t request_vout;
+};
+
+typedef struct
+{
+ vlc_mutex_t lock;
+ module_t *module; /**< Output plugin (or NULL if inactive) */
+ aout_input_t *input;
+
+ struct
+ {
+ date_t date;
+ } sync;
+
+ struct
+ {
+ vlc_mutex_t lock;
+ float multiplier; /**< Software volume amplification multiplier */
+ struct audio_mixer *mixer; /**< Software volume plugin */
+ } volume;
+
+ struct
+ {
+ vlc_atomic_t multiplier;
+ audio_replay_gain_t data;
+ } gain;
+
+ audio_sample_format_t mixer_format;
+ audio_sample_format_t input_format;
+
+ /* Filters between mixer and output */
+ filter_t *filters[AOUT_MAX_FILTERS];
+ int nb_filters;
+
+ vlc_atomic_t restart;
+} aout_owner_t;
+
+typedef struct
+{
+ audio_output_t output;
+ aout_owner_t owner;
+} aout_instance_t;
-#define aout_BufferAlloc( p_alloc, i_nb_usec, p_previous_buffer, \
- p_new_buffer ) \
- if ( (p_alloc)->i_alloc_type == AOUT_ALLOC_NONE ) \
- { \
- (p_new_buffer) = p_previous_buffer; \
- } \
- else \
- { \
- int i_alloc_size, i_alloc_type; \
- i_alloc_size = (int)( (uint64_t)(p_alloc)->i_bytes_per_sec \
- * (i_nb_usec) / 1000000 + 1 ); \
- ALLOCA_TEST( p_alloc, p_new_buffer ) \
- { \
- (p_new_buffer) = malloc( i_alloc_size + sizeof(aout_buffer_t) );\
- i_alloc_type = AOUT_ALLOC_HEAP; \
- } \
- if ( p_new_buffer != NULL ) \
- { \
- (p_new_buffer)->i_alloc_type = i_alloc_type; \
- (p_new_buffer)->i_size = i_alloc_size; \
- (p_new_buffer)->p_buffer = (byte_t *)(p_new_buffer) \
- + sizeof(aout_buffer_t); \
- (p_new_buffer)->b_discontinuity = VLC_FALSE; \
- if ( (p_previous_buffer) != NULL ) \
- { \
- (p_new_buffer)->start_date = \
- ((aout_buffer_t *)p_previous_buffer)->start_date;\
- (p_new_buffer)->end_date = \
- ((aout_buffer_t *)p_previous_buffer)->end_date; \
- } \
- } \
- /* we'll keep that for a while --Meuuh */ \
- /* else printf("%s:%d\n", __FILE__, __LINE__); */ \
- }
+static inline aout_owner_t *aout_owner (audio_output_t *aout)
+{
+ return &((aout_instance_t *)aout)->owner;
+}
/****************************************************************************
* Prototypes
*****************************************************************************/
+
/* From input.c : */
-int aout_InputNew( aout_instance_t * p_aout, aout_input_t * p_input );
-int aout_InputDelete( aout_instance_t * p_aout, aout_input_t * p_input );
-int aout_InputPlay( aout_instance_t * p_aout, aout_input_t * p_input,
- aout_buffer_t * p_buffer, int i_input_rate );
+aout_input_t *aout_InputNew(audio_output_t *, const audio_sample_format_t *,
+ const audio_sample_format_t *,
+ const aout_request_vout_t *);
+int aout_InputDelete( audio_output_t * p_aout, aout_input_t * p_input );
+block_t *aout_InputPlay( audio_output_t *p_aout, aout_input_t *p_input,
+ block_t *p_buffer, int i_input_rate, date_t * );
/* From filters.c : */
-int aout_FiltersCreatePipeline ( aout_instance_t * p_aout, aout_filter_t ** pp_filters, int * pi_nb_filters, const audio_sample_format_t * p_input_format, const audio_sample_format_t * p_output_format );
-void aout_FiltersDestroyPipeline ( aout_instance_t * p_aout, aout_filter_t ** pp_filters, int i_nb_filters );
-void aout_FiltersPlay ( aout_instance_t * p_aout, aout_filter_t ** pp_filters, int i_nb_filters, aout_buffer_t ** pp_input_buffer );
-void aout_FiltersHintBuffers( aout_instance_t * p_aout, aout_filter_t ** pp_filters, int i_nb_filters, aout_alloc_t * p_first_alloc );
+int aout_FiltersCreatePipeline( vlc_object_t *, filter_t **, int *,
+ const audio_sample_format_t *, const audio_sample_format_t * );
+#define aout_FiltersCreatePipeline(o, pv, pc, inf, outf) \
+ aout_FiltersCreatePipeline(VLC_OBJECT(o), pv, pc, inf, outf)
+void aout_FiltersDestroyPipeline( filter_t *const *, unsigned );
+void aout_FiltersPlay( filter_t *const *, unsigned, aout_buffer_t ** );
/* From mixer.c : */
-int aout_MixerNew( aout_instance_t * p_aout );
-void aout_MixerDelete( aout_instance_t * p_aout );
-void aout_MixerRun( aout_instance_t * p_aout );
-int aout_MixerMultiplierSet( aout_instance_t * p_aout, float f_multiplier );
-int aout_MixerMultiplierGet( aout_instance_t * p_aout, float * pf_multiplier );
+struct audio_mixer *aout_MixerNew(vlc_object_t *, vlc_fourcc_t);
+#define aout_MixerNew(o, f) aout_MixerNew(VLC_OBJECT(o), f)
+void aout_MixerDelete(struct audio_mixer *);
+void aout_MixerRun(struct audio_mixer *, block_t *, float);
+float aout_ReplayGainSelect(vlc_object_t *, const char *,
+ const audio_replay_gain_t *);
+#define aout_ReplayGainSelect(o, s, g) \
+ aout_ReplayGainSelect(VLC_OBJECT(o), s, g)
+
+static inline void aout_ReplayGainInit(audio_replay_gain_t *restrict d,
+ const audio_replay_gain_t *restrict s)
+{
+ if (s != NULL)
+ *d = *s;
+ else
+ memset (d, 0, sizeof (*d));
+}
+
/* From output.c : */
-int aout_OutputNew( aout_instance_t * p_aout,
- audio_sample_format_t * p_format );
-void aout_OutputPlay( aout_instance_t * p_aout, aout_buffer_t * p_buffer );
-void aout_OutputDelete( aout_instance_t * p_aout );
+int aout_OutputNew( audio_output_t * p_aout,
+ const audio_sample_format_t * p_format );
+void aout_OutputPlay( audio_output_t * p_aout, aout_buffer_t * p_buffer );
+void aout_OutputPause( audio_output_t * p_aout, bool, mtime_t );
+void aout_OutputFlush( audio_output_t * p_aout, bool );
+void aout_OutputDelete( audio_output_t * p_aout );
/* From common.c : */
-#define aout_New(a) __aout_New(VLC_OBJECT(a))
-aout_instance_t * __aout_New ( vlc_object_t * );
-void aout_Delete ( aout_instance_t * );
-
-void aout_FifoInit( aout_instance_t *, aout_fifo_t *, uint32_t );
-mtime_t aout_FifoNextStart( aout_instance_t *, aout_fifo_t * );
-void aout_FifoPush( aout_instance_t *, aout_fifo_t *, aout_buffer_t * );
-void aout_FifoSet( aout_instance_t *, aout_fifo_t *, mtime_t );
-void aout_FifoMoveDates( aout_instance_t *, aout_fifo_t *, mtime_t );
-void aout_FifoDestroy( aout_instance_t * p_aout, aout_fifo_t * p_fifo );
-void aout_FormatsPrint( aout_instance_t * p_aout, const char * psz_text, const audio_sample_format_t * p_format1, const audio_sample_format_t * p_format2 );
-
-
-/* From intf.c :*/
-int aout_VolumeSoftGet( aout_instance_t *, audio_volume_t * );
-int aout_VolumeSoftSet( aout_instance_t *, audio_volume_t );
-int aout_VolumeSoftInfos( aout_instance_t *, audio_volume_t * );
-int aout_VolumeNoneGet( aout_instance_t *, audio_volume_t * );
-int aout_VolumeNoneSet( aout_instance_t *, audio_volume_t );
-int aout_VolumeNoneInfos( aout_instance_t *, audio_volume_t * );
+audio_output_t *aout_New (vlc_object_t *);
+#define aout_New(a) aout_New(VLC_OBJECT(a))
+void aout_Destroy (audio_output_t *);
+
+void aout_FifoInit( vlc_object_t *, aout_fifo_t *, uint32_t );
+mtime_t aout_FifoFirstDate( const aout_fifo_t * ) VLC_USED;
+#define aout_FifoInit(o, f, r) aout_FifoInit(VLC_OBJECT(o), f, r)
+void aout_FifoPush( aout_fifo_t *, aout_buffer_t * );
+aout_buffer_t *aout_FifoPop( aout_fifo_t * p_fifo ) VLC_USED;
+void aout_FifoReset( aout_fifo_t * );
+void aout_FifoMoveDates( aout_fifo_t *, mtime_t );
+void aout_FifoDestroy( aout_fifo_t * p_fifo );
+void aout_FormatsPrint(vlc_object_t *, const char *,
+ const audio_sample_format_t *,
+ const audio_sample_format_t *);
+#define aout_FormatsPrint(o, t, a, b) \
+ aout_FormatsPrint(VLC_OBJECT(o), t, a, b)
+bool aout_ChangeFilterString( vlc_object_t *manager, vlc_object_t *aout,
+ const char *var, const char *name, bool b_add );
/* From dec.c */
-#define aout_DecNew(a, b, c, d) __aout_DecNew(VLC_OBJECT(a), b, c, d)
-aout_input_t * __aout_DecNew( vlc_object_t *, aout_instance_t **, audio_sample_format_t *, audio_replay_gain_t * );
-int aout_DecDelete ( aout_instance_t *, aout_input_t * );
-aout_buffer_t * aout_DecNewBuffer( aout_input_t *, size_t );
-void aout_DecDeleteBuffer( aout_instance_t *, aout_input_t *, aout_buffer_t * );
-int aout_DecPlay( aout_instance_t *, aout_input_t *, aout_buffer_t *, int i_input_rate );
-
-#endif /* !__LIBVLC_AOUT_INTERNAL_H */
+int aout_DecNew(audio_output_t *, const audio_sample_format_t *,
+ const audio_replay_gain_t *, const aout_request_vout_t *);
+void aout_DecDelete(audio_output_t *);
+block_t *aout_DecNewBuffer(audio_output_t *, size_t);
+void aout_DecDeleteBuffer(audio_output_t *, block_t *);
+int aout_DecPlay(audio_output_t *, block_t *, int i_input_rate);
+int aout_DecGetResetLost(audio_output_t *);
+void aout_DecChangePause(audio_output_t *, bool b_paused, mtime_t i_date);
+void aout_DecFlush(audio_output_t *);
+bool aout_DecIsEmpty(audio_output_t *);
+
+void aout_InputRequestRestart(audio_output_t *);
+void aout_RequestRestart(audio_output_t *);
+void aout_Shutdown (audio_output_t *);
+
+/* Audio output locking */
+
+#if !defined (NDEBUG) \
+ && defined __linux__ && (defined (__i386__) || defined (__x86_64__))
+# define AOUT_DEBUG 1
+#endif
+
+#ifdef AOUT_DEBUG
+enum
+{
+ OUTPUT_LOCK=1,
+ VOLUME_LOCK=2,
+};
+
+void aout_lock_check (unsigned);
+void aout_unlock_check (unsigned);
+
+#else
+# define aout_lock_check( i ) (void)0
+# define aout_unlock_check( i ) (void)0
+#endif
+
+static inline void aout_lock( audio_output_t *p_aout )
+{
+ aout_lock_check( OUTPUT_LOCK );
+ vlc_mutex_lock( &aout_owner(p_aout)->lock );
+}
+
+static inline void aout_unlock( audio_output_t *p_aout )
+{
+ aout_unlock_check( OUTPUT_LOCK );
+ vlc_mutex_unlock( &aout_owner(p_aout)->lock );
+}
+
+static inline void aout_lock_volume( audio_output_t *p_aout )
+{
+ aout_lock_check( VOLUME_LOCK );
+ vlc_mutex_lock( &aout_owner(p_aout)->volume.lock );
+}
+
+static inline void aout_unlock_volume( audio_output_t *p_aout )
+{
+ aout_unlock_check( VOLUME_LOCK );
+ vlc_mutex_unlock( &aout_owner(p_aout)->volume.lock );
+}
+
+#define aout_assert_locked( aout ) \
+ vlc_assert_locked( &aout_owner(aout)->lock )
+
+#endif /* !LIBVLC_AOUT_INTERNAL_H */
projects / vlc / blobdiff