/*****************************************************************************
* input_dec.c: Functions for the management of decoders
*****************************************************************************
- * Copyright (C) 1999, 2000 VideoLAN
- * $Id: input_dec.c,v 1.6 2001/01/12 17:33:18 massiot Exp $
+ * Copyright (C) 1999-2001 VideoLAN
+ * $Id: input_dec.c,v 1.67 2003/11/16 21:07:31 gbazin Exp $
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
+ * Gildas Bazin <gbazin@netcourrier.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
+ *
* This program 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
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include "defs.h"
-
#include <stdlib.h>
-#include "config.h"
-#include "common.h"
-#include "threads.h"
-#include "mtime.h"
-#include "intf_msg.h"
-
-#include "stream_control.h"
-#include "input_ext-dec.h"
+#include <string.h> /* memcpy(), memset() */
+
+#include <vlc/vlc.h>
+#include <vlc/decoder.h>
+#include <vlc/vout.h>
+
+#include "stream_output.h"
+
#include "input_ext-intf.h"
+#include "input_ext-plugins.h"
+
+#include "codecs.h"
-#include "input.h"
+static decoder_t * CreateDecoder( input_thread_t *, es_descriptor_t *, int );
+static int DecoderThread( decoder_t * );
+static void DeleteDecoder( decoder_t * );
+
+/* Buffers allocation callbacks for the decoders */
+static aout_buffer_t *aout_new_buffer( decoder_t *, int );
+static void aout_del_buffer( decoder_t *, aout_buffer_t * );
+
+static picture_t *vout_new_buffer( decoder_t * );
+static void vout_del_buffer( decoder_t *, picture_t * );
+
+static es_format_t null_es_format = {0};
/*****************************************************************************
* input_RunDecoder: spawns a new decoder thread
*****************************************************************************/
-vlc_thread_t input_RunDecoder( decoder_capabilities_t * p_decoder,
- void * p_data )
+decoder_fifo_t * input_RunDecoder( input_thread_t * p_input,
+ es_descriptor_t * p_es )
{
- return( p_decoder->pf_create_thread( p_data ) );
+ vlc_value_t val;
+ decoder_t *p_dec = NULL;
+ int i_priority;
+
+ /* If we are in sout mode, search for packetizer module */
+ var_Get( p_input, "sout", &val );
+ if( !p_es->b_force_decoder && val.psz_string && *val.psz_string )
+ {
+ free( val.psz_string );
+ val.b_bool = VLC_TRUE;
+
+ if( p_es->i_cat == AUDIO_ES )
+ {
+ var_Get( p_input, "sout-audio", &val );
+ }
+ else if( p_es->i_cat == VIDEO_ES )
+ {
+ var_Get( p_input, "sout-video", &val );
+ }
+
+ if( val.b_bool )
+ {
+ /* Create the decoder configuration structure */
+ p_dec = CreateDecoder( p_input, p_es, VLC_OBJECT_PACKETIZER );
+ if( p_dec == NULL )
+ {
+ msg_Err( p_input, "could not create packetizer" );
+ return NULL;
+ }
+
+ p_dec->p_module =
+ module_Need( p_dec, "packetizer", "$packetizer" );
+ }
+ }
+ else
+ {
+ /* Create the decoder configuration structure */
+ p_dec = CreateDecoder( p_input, p_es, VLC_OBJECT_DECODER );
+ if( p_dec == NULL )
+ {
+ msg_Err( p_input, "could not create decoder" );
+ return NULL;
+ }
+
+ /* default Get a suitable decoder module */
+ p_dec->p_module = module_Need( p_dec, "decoder", "$codec" );
+
+ if( val.psz_string ) free( val.psz_string );
+ }
+
+ if( !p_dec || !p_dec->p_module )
+ {
+ msg_Err( p_dec, "no suitable decoder module for fourcc `%4.4s'.\n"
+ "VLC probably does not support this sound or video format.",
+ (char*)&p_dec->p_fifo->i_fourcc );
+
+ DeleteDecoder( p_dec );
+ vlc_object_destroy( p_dec );
+ return NULL;
+ }
+
+ if ( p_es->i_cat == AUDIO_ES )
+ {
+ i_priority = VLC_THREAD_PRIORITY_AUDIO;
+ }
+ else
+ {
+ i_priority = VLC_THREAD_PRIORITY_VIDEO;
+ }
+
+ /* Spawn the decoder thread */
+ if( vlc_thread_create( p_dec, "decoder", DecoderThread,
+ i_priority, VLC_FALSE ) )
+ {
+ msg_Err( p_dec, "cannot spawn decoder thread \"%s\"",
+ p_dec->p_module->psz_object_name );
+ module_Unneed( p_dec, p_dec->p_module );
+ DeleteDecoder( p_dec );
+ vlc_object_destroy( p_dec );
+ return NULL;
+ }
+
+ p_input->stream.b_changed = 1;
+
+ return p_dec->p_fifo;
}
/*****************************************************************************
*****************************************************************************/
void input_EndDecoder( input_thread_t * p_input, es_descriptor_t * p_es )
{
+ int i_dummy;
+ decoder_t *p_dec = p_es->p_decoder_fifo->p_dec;
+
p_es->p_decoder_fifo->b_die = 1;
- /* Make sure the thread leaves the NextDataPacket() function */
- input_NullPacket( p_input, p_es );
+ /* Make sure the thread leaves the NextDataPacket() function by
+ * sending it a few null packets. */
+ for( i_dummy = 0; i_dummy < PADDING_PACKET_NUMBER; i_dummy++ )
+ {
+ input_NullPacket( p_input, p_es );
+ }
+
if( p_es->p_pes != NULL )
{
input_DecodePES( p_es->p_decoder_fifo, p_es->p_pes );
}
/* Waiting for the thread to exit */
- vlc_thread_join( p_es->thread_id );
+ /* I thought that unlocking was better since thread join can be long
+ * but it actually creates late pictures and freezes --stef */
+ /* vlc_mutex_unlock( &p_input->stream.stream_lock ); */
+ vlc_thread_join( p_dec );
+ /* vlc_mutex_lock( &p_input->stream.stream_lock ); */
- /* Freeing all packets still in the decoder fifo. */
- while( !DECODER_FIFO_ISEMPTY( *p_es->p_decoder_fifo ) )
- {
- p_es->p_decoder_fifo->pf_delete_pes(
- p_es->p_decoder_fifo->p_packets_mgt,
- DECODER_FIFO_START( *p_es->p_decoder_fifo ) );
- DECODER_FIFO_INCSTART( *p_es->p_decoder_fifo );
- }
+ /* Unneed module */
+ module_Unneed( p_dec, p_dec->p_module );
- /* Destroy the lock and cond */
- vlc_cond_destroy( &p_es->p_decoder_fifo->data_wait );
- vlc_mutex_destroy( &p_es->p_decoder_fifo->data_lock );
+ /* Delete decoder configuration */
+ DeleteDecoder( p_dec );
- free( p_es->p_decoder_fifo );
+ /* Delete the decoder */
+ vlc_object_destroy( p_dec );
+
+ /* Tell the input there is no more decoder */
p_es->p_decoder_fifo = NULL;
+
+ p_input->stream.b_changed = 1;
}
/*****************************************************************************
{
vlc_mutex_lock( &p_decoder_fifo->data_lock );
- if( !DECODER_FIFO_ISFULL( *p_decoder_fifo ) )
+ p_pes->p_next = NULL;
+ *p_decoder_fifo->pp_last = p_pes;
+ p_decoder_fifo->pp_last = &p_pes->p_next;
+ p_decoder_fifo->i_depth++;
+
+ /* Warn the decoder that it's got work to do. */
+ vlc_cond_signal( &p_decoder_fifo->data_wait );
+ vlc_mutex_unlock( &p_decoder_fifo->data_lock );
+}
+
+/*****************************************************************************
+ * Create a NULL packet for padding in case of a data loss
+ *****************************************************************************/
+void input_NullPacket( input_thread_t * p_input,
+ es_descriptor_t * p_es )
+{
+ data_packet_t * p_pad_data;
+ pes_packet_t * p_pes;
+
+ if( (p_pad_data = input_NewPacketForce( p_input->p_method_data,
+ PADDING_PACKET_SIZE)) == NULL )
{
- p_decoder_fifo->buffer[p_decoder_fifo->i_end] = p_pes;
- DECODER_FIFO_INCEND( *p_decoder_fifo );
+ msg_Err( p_input, "no new packet" );
+ p_input->b_error = 1;
+ return;
+ }
+
+ memset( p_pad_data->p_payload_start, 0, PADDING_PACKET_SIZE );
+ p_pad_data->b_discard_payload = 1;
+ p_pes = p_es->p_pes;
- /* Warn the decoder that it's got work to do. */
- vlc_cond_signal( &p_decoder_fifo->data_wait );
+ if( p_pes != NULL )
+ {
+ p_pes->b_discontinuity = 1;
+ p_pes->p_last->p_next = p_pad_data;
+ p_pes->p_last = p_pad_data;
+ p_pes->i_nb_data++;
}
else
{
- /* The FIFO is full !!! This should not happen. */
- p_decoder_fifo->pf_delete_pes( p_decoder_fifo->p_packets_mgt,
- p_pes );
- intf_ErrMsg( "PES trashed - fifo full !" );
+ if( (p_pes = input_NewPES( p_input->p_method_data )) == NULL )
+ {
+ msg_Err( p_input, "no PES packet" );
+ p_input->b_error = 1;
+ return;
+ }
+
+ p_pes->i_rate = p_input->stream.control.i_rate;
+ p_pes->p_first = p_pes->p_last = p_pad_data;
+ p_pes->i_nb_data = 1;
+ p_pes->b_discontinuity = 1;
+ input_DecodePES( p_es->p_decoder_fifo, p_pes );
}
- vlc_mutex_unlock( &p_decoder_fifo->data_lock );
+}
+
+/*****************************************************************************
+ * input_EscapeDiscontinuity: send a NULL packet to the decoders
+ *****************************************************************************/
+void input_EscapeDiscontinuity( input_thread_t * p_input )
+{
+ unsigned int i_es, i;
+
+ for( i_es = 0; i_es < p_input->stream.i_selected_es_number; i_es++ )
+ {
+ es_descriptor_t * p_es = p_input->stream.pp_selected_es[i_es];
+
+ if( p_es->p_decoder_fifo != NULL )
+ {
+ for( i = 0; i < PADDING_PACKET_NUMBER; i++ )
+ {
+ input_NullPacket( p_input, p_es );
+ }
+ }
+ }
+}
+
+/*****************************************************************************
+ * input_EscapeAudioDiscontinuity: send a NULL packet to the audio decoders
+ *****************************************************************************/
+void input_EscapeAudioDiscontinuity( input_thread_t * p_input )
+{
+ unsigned int i_es, i;
+
+ for( i_es = 0; i_es < p_input->stream.i_selected_es_number; i_es++ )
+ {
+ es_descriptor_t * p_es = p_input->stream.pp_selected_es[i_es];
+
+ if( p_es->p_decoder_fifo != NULL && p_es->i_cat == AUDIO_ES )
+ {
+ for( i = 0; i < PADDING_PACKET_NUMBER; i++ )
+ {
+ input_NullPacket( p_input, p_es );
+ }
+ }
+ }
+}
+
+struct decoder_owner_sys_t
+{
+ aout_instance_t *p_aout;
+ aout_input_t *p_aout_input;
+
+ vout_thread_t *p_vout;
+
+ sout_packetizer_input_t *p_sout;
+
+ /* Current format in use by the output */
+ video_format_t video;
+ audio_format_t audio;
+};
+
+/*****************************************************************************
+ * CreateDecoder: create a decoder object
+ *****************************************************************************/
+static decoder_t * CreateDecoder( input_thread_t * p_input,
+ es_descriptor_t * p_es, int i_object_type )
+{
+ decoder_t *p_dec;
+
+ p_dec = vlc_object_create( p_input, i_object_type );
+ if( p_dec == NULL )
+ {
+ msg_Err( p_input, "out of memory" );
+ return NULL;
+ }
+
+ p_dec->pf_decode = 0;
+ p_dec->pf_decode_audio = 0;
+ p_dec->pf_decode_video = 0;
+ p_dec->pf_decode_sub = 0;
+ p_dec->pf_packetize = 0;
+ p_dec->pf_run = 0;
+
+ /* Select a new ES */
+ INSERT_ELEM( p_input->stream.pp_selected_es,
+ p_input->stream.i_selected_es_number,
+ p_input->stream.i_selected_es_number,
+ p_es );
+
+ /* Allocate the memory needed to store the decoder's fifo */
+ p_dec->p_fifo = vlc_object_create( p_input, VLC_OBJECT_DECODER_FIFO );
+ if( p_dec->p_fifo == NULL )
+ {
+ msg_Err( p_input, "out of memory" );
+ return NULL;
+ }
+
+ /* Initialize the decoder fifo */
+ p_dec->p_module = NULL;
+
+ p_dec->fmt_in = p_es->fmt;
+
+ if( p_es->p_waveformatex )
+ {
+#define p_wf ((WAVEFORMATEX *)p_es->p_waveformatex)
+ p_dec->fmt_in.audio.i_channels = p_wf->nChannels;
+ p_dec->fmt_in.audio.i_rate = p_wf->nSamplesPerSec;
+ p_dec->fmt_in.i_bitrate = p_wf->nAvgBytesPerSec * 8;
+ p_dec->fmt_in.audio.i_blockalign = p_wf->nBlockAlign;
+ p_dec->fmt_in.audio.i_bitspersample = p_wf->wBitsPerSample;
+ p_dec->fmt_in.i_extra = p_wf->cbSize;
+ p_dec->fmt_in.p_extra = NULL;
+ if( p_wf->cbSize )
+ {
+ p_dec->fmt_in.p_extra = malloc( p_wf->cbSize );
+ memcpy( p_dec->fmt_in.p_extra, &p_wf[1], p_wf->cbSize );
+ }
+ }
+
+ if( p_es->p_bitmapinfoheader )
+ {
+#define p_bih ((BITMAPINFOHEADER *) p_es->p_bitmapinfoheader)
+ p_dec->fmt_in.i_extra = p_bih->biSize - sizeof(BITMAPINFOHEADER);
+ p_dec->fmt_in.p_extra = NULL;
+ if( p_dec->fmt_in.i_extra )
+ {
+ p_dec->fmt_in.p_extra = malloc( p_dec->fmt_in.i_extra );
+ memcpy( p_dec->fmt_in.p_extra, &p_bih[1], p_dec->fmt_in.i_extra );
+ }
+
+ p_dec->fmt_in.video.i_width = p_bih->biWidth;
+ p_dec->fmt_in.video.i_height = p_bih->biHeight;
+ }
+
+ p_dec->fmt_in.i_cat = p_es->i_cat;
+ p_dec->fmt_in.i_codec = p_es->i_fourcc;
+
+ p_dec->fmt_out = null_es_format;
+
+ /* Allocate our private structure for the decoder */
+ p_dec->p_owner = (decoder_owner_sys_t*)malloc(sizeof(decoder_owner_sys_t));
+ if( p_dec->p_owner == NULL )
+ {
+ msg_Err( p_dec, "out of memory" );
+ return NULL;
+ }
+ p_dec->p_owner->p_aout = NULL;
+ p_dec->p_owner->p_aout_input = NULL;
+ p_dec->p_owner->p_vout = NULL;
+ p_dec->p_owner->p_sout = NULL;
+
+ /* Set buffers allocation callbacks for the decoders */
+ p_dec->pf_aout_buffer_new = aout_new_buffer;
+ p_dec->pf_aout_buffer_del = aout_del_buffer;
+ p_dec->pf_vout_buffer_new = vout_new_buffer;
+ p_dec->pf_vout_buffer_del = vout_del_buffer;
+
+ /* For old decoders only */
+ vlc_mutex_init( p_input, &p_dec->p_fifo->data_lock );
+ vlc_cond_init( p_input, &p_dec->p_fifo->data_wait );
+ p_es->p_decoder_fifo = p_dec->p_fifo;
+ p_dec->p_fifo->i_id = p_es->i_id;
+ p_dec->p_fifo->i_fourcc = p_es->i_fourcc;
+ p_dec->p_fifo->p_demux_data = p_es->p_demux_data;
+ p_dec->p_fifo->p_waveformatex = p_es->p_waveformatex;
+ p_dec->p_fifo->p_bitmapinfoheader = p_es->p_bitmapinfoheader;
+ p_dec->p_fifo->p_spuinfo = p_es->p_spuinfo;
+ p_dec->p_fifo->p_stream_ctrl = &p_input->stream.control;
+ p_dec->p_fifo->p_sout = p_input->stream.p_sout;
+ p_dec->p_fifo->p_first = NULL;
+ p_dec->p_fifo->pp_last = &p_dec->p_fifo->p_first;
+ p_dec->p_fifo->i_depth = 0;
+ p_dec->p_fifo->b_die = p_dec->p_fifo->b_error = 0;
+ p_dec->p_fifo->p_packets_mgt = p_input->p_method_data;
+ p_dec->p_fifo->p_dec = p_dec;
+ vlc_object_attach( p_dec->p_fifo, p_input );
+
+ vlc_object_attach( p_dec, p_input );
+
+ return p_dec;
+}
+
+/*****************************************************************************
+ * DecoderThread: the decoding main loop
+ *****************************************************************************/
+static int DecoderThread( decoder_t * p_dec )
+{
+ pes_packet_t *p_pes;
+ data_packet_t *p_data;
+ block_t *p_block;
+
+ /* Temporary wrapper to keep old decoder api functional */
+ if( p_dec->pf_run )
+ {
+ p_dec->pf_run( p_dec->p_fifo );
+ return 0;
+ }
+
+ /* The decoder's main loop */
+ while( !p_dec->p_fifo->b_die && !p_dec->p_fifo->b_error )
+ {
+ int i_size;
+
+ input_ExtractPES( p_dec->p_fifo, &p_pes );
+ if( !p_pes )
+ {
+ p_dec->p_fifo->b_error = 1;
+ break;
+ }
+
+ for( i_size = 0, p_data = p_pes->p_first;
+ p_data != NULL; p_data = p_data->p_next )
+ {
+ i_size += p_data->p_payload_end - p_data->p_payload_start;
+ }
+ p_block = block_New( p_dec, i_size );
+ for( i_size = 0, p_data = p_pes->p_first;
+ p_data != NULL; p_data = p_data->p_next )
+ {
+ if( p_data->p_payload_end == p_data->p_payload_start )
+ continue;
+ memcpy( p_block->p_buffer + i_size, p_data->p_payload_start,
+ p_data->p_payload_end - p_data->p_payload_start );
+ i_size += p_data->p_payload_end - p_data->p_payload_start;
+ }
+
+ p_block->i_pts = p_pes->i_pts;
+ p_block->i_dts = p_pes->i_dts;
+ p_block->b_discontinuity = p_pes->b_discontinuity;
+
+ if( p_dec->i_object_type == VLC_OBJECT_PACKETIZER )
+ {
+ sout_buffer_t *p_sout_buffer;
+ block_t *p_sout_block;
+
+ while( (p_sout_block = p_dec->pf_packetize( p_dec, &p_block )) )
+ {
+ if( !p_dec->p_owner->p_sout )
+ {
+ sout_format_t sout_format;
+
+ sout_format.i_cat = p_dec->fmt_out.i_cat;
+ sout_format.i_fourcc = p_dec->fmt_out.i_codec;
+ sout_format.i_sample_rate =
+ p_dec->fmt_out.audio.i_rate;
+ sout_format.i_channels =
+ p_dec->fmt_out.audio.i_channels;
+ sout_format.i_width =
+ p_dec->fmt_out.video.i_width;
+ sout_format.i_height =
+ p_dec->fmt_out.video.i_height;
+ sout_format.i_block_align = 0;
+ //sout_format.i_bitrate = p_dec->fmt_out.i_bit_rate;
+ sout_format.i_extra_data = p_dec->fmt_out.i_extra;
+ sout_format.p_extra_data = p_dec->fmt_out.p_extra;
+
+ p_dec->p_owner->p_sout =
+ sout_InputNew( p_dec, &sout_format );
+
+ if( p_dec->p_owner->p_sout == NULL )
+ {
+ msg_Err( p_dec, "cannot create packetizer output" );
+ break;
+ }
+ }
+
+ p_sout_buffer =
+ sout_BufferNew( p_dec->p_owner->p_sout->p_sout,
+ p_sout_block->i_buffer );
+ if( p_sout_buffer == NULL )
+ {
+ msg_Err( p_dec, "cannot get sout buffer" );
+ break;
+ }
+
+ memcpy( p_sout_buffer->p_buffer, p_sout_block->p_buffer,
+ p_sout_block->i_buffer );
+
+ p_sout_buffer->i_pts = p_sout_block->i_pts;
+ p_sout_buffer->i_dts = p_sout_block->i_dts;
+ p_sout_buffer->i_length = p_sout_block->i_length;
+
+ block_Release( p_sout_block );
+
+ sout_InputSendBuffer( p_dec->p_owner->p_sout, p_sout_buffer );
+ }
+ }
+ else if( p_dec->fmt_in.i_cat == AUDIO_ES )
+ {
+ aout_buffer_t *p_aout_buf;
+
+ while( (p_aout_buf = p_dec->pf_decode_audio( p_dec, &p_block )) )
+ {
+ aout_DecPlay( p_dec->p_owner->p_aout,
+ p_dec->p_owner->p_aout_input, p_aout_buf );
+ }
+ }
+ else
+ {
+ picture_t *p_pic;
+
+ while( (p_pic = p_dec->pf_decode_video( p_dec, &p_block )) )
+ {
+ vout_DatePicture( p_dec->p_owner->p_vout, p_pic, p_pic->date );
+ vout_DisplayPicture( p_dec->p_owner->p_vout, p_pic );
+ }
+ }
+
+ input_DeletePES( p_dec->p_fifo->p_packets_mgt, p_pes );
+ }
+
+ return 0;
+}
+
+/*****************************************************************************
+ * DeleteDecoder: destroys a decoder object
+ *****************************************************************************/
+static void DeleteDecoder( decoder_t * p_dec )
+{
+ vlc_object_detach( p_dec );
+ vlc_object_detach( p_dec->p_fifo );
+
+ msg_Dbg( p_dec,
+ "killing decoder for 0x%x, fourcc `%4.4s', %d PES in FIFO",
+ p_dec->p_fifo->i_id, (char*)&p_dec->p_fifo->i_fourcc,
+ p_dec->p_fifo->i_depth );
+
+ /* Free all packets still in the decoder fifo. */
+ input_DeletePES( p_dec->p_fifo->p_packets_mgt,
+ p_dec->p_fifo->p_first );
+
+ /* Destroy the lock and cond */
+ vlc_cond_destroy( &p_dec->p_fifo->data_wait );
+ vlc_mutex_destroy( &p_dec->p_fifo->data_lock );
+
+ /* Free fifo */
+ vlc_object_destroy( p_dec->p_fifo );
+
+ /* Cleanup */
+ if( p_dec->p_owner->p_aout_input )
+ aout_DecDelete( p_dec->p_owner->p_aout, p_dec->p_owner->p_aout_input );
+
+ if( p_dec->p_owner->p_vout )
+ {
+ int i_pic;
+
+ /* Hack to make sure all the the pictures are freed by the decoder */
+ for( i_pic = 0; i_pic < p_dec->p_owner->p_vout->render.i_pictures;
+ i_pic++ )
+ {
+ if( p_dec->p_owner->p_vout->render.pp_picture[i_pic]->i_status ==
+ RESERVED_PICTURE )
+ vout_DestroyPicture( p_dec->p_owner->p_vout,
+ p_dec->p_owner->p_vout->render.pp_picture[i_pic] );
+ if( p_dec->p_owner->p_vout->render.pp_picture[i_pic]->i_refcount
+ > 0 )
+ vout_UnlinkPicture( p_dec->p_owner->p_vout,
+ p_dec->p_owner->p_vout->render.pp_picture[i_pic] );
+ }
+
+ /* We are about to die. Reattach video output to p_vlc. */
+ vout_Request( p_dec, p_dec->p_owner->p_vout, 0, 0, 0, 0 );
+ }
+
+ if( p_dec->p_owner->p_sout )
+ sout_InputDelete( p_dec->p_owner->p_sout );
+
+ free( p_dec->p_owner );
+
+}
+
+/*****************************************************************************
+ * Buffers allocation callbacks for the decoders
+ *****************************************************************************/
+static aout_buffer_t *aout_new_buffer( decoder_t *p_dec, int i_samples )
+{
+ decoder_owner_sys_t *p_sys = (decoder_owner_sys_t *)p_dec->p_owner;
+ aout_buffer_t *p_buffer;
+
+ if( p_sys->p_aout_input != NULL &&
+ ( p_dec->fmt_out.audio.i_rate != p_sys->audio.i_rate ||
+ p_dec->fmt_out.audio.i_original_channels !=
+ p_sys->audio.i_original_channels ||
+ p_dec->fmt_out.audio.i_bytes_per_frame !=
+ p_sys->audio.i_bytes_per_frame ) )
+ {
+ /* Parameters changed, restart the aout */
+ aout_DecDelete( p_sys->p_aout, p_sys->p_aout_input );
+ p_sys->p_aout_input = NULL;
+ }
+
+ if( p_sys->p_aout_input == NULL )
+ {
+ p_dec->fmt_out.audio.i_format = p_dec->fmt_out.i_codec;
+ p_sys->audio = p_dec->fmt_out.audio;
+ p_sys->p_aout_input =
+ aout_DecNew( p_dec, &p_sys->p_aout, &p_sys->audio );
+ if( p_sys->p_aout_input == NULL )
+ {
+ msg_Err( p_dec, "failed to create audio output" );
+ return NULL;
+ }
+ p_dec->fmt_out.audio.i_bytes_per_frame =
+ p_sys->audio.i_bytes_per_frame;
+ }
+
+ p_buffer = aout_DecNewBuffer( p_sys->p_aout, p_sys->p_aout_input,
+ i_samples );
+
+ return p_buffer;
+}
+
+static void aout_del_buffer( decoder_t *p_dec, aout_buffer_t *p_buffer )
+{
+ aout_DecDeleteBuffer( p_dec->p_owner->p_aout,
+ p_dec->p_owner->p_aout_input, p_buffer );
+}
+
+static picture_t *vout_new_buffer( decoder_t *p_dec )
+{
+ decoder_owner_sys_t *p_sys = (decoder_owner_sys_t *)p_dec->p_owner;
+ picture_t *p_pic;
+
+ if( p_sys->p_vout == NULL ||
+ p_dec->fmt_out.video.i_width != p_sys->video.i_width ||
+ p_dec->fmt_out.video.i_height != p_sys->video.i_height ||
+ p_dec->fmt_out.video.i_chroma != p_sys->video.i_chroma ||
+ p_dec->fmt_out.video.i_aspect != p_sys->video.i_aspect )
+ {
+ if( !p_dec->fmt_out.video.i_width ||
+ !p_dec->fmt_out.video.i_height )
+ {
+ /* Can't create a new vout without display size */
+ return NULL;
+ }
+
+ p_dec->fmt_out.video.i_chroma = p_dec->fmt_out.i_codec;
+ p_sys->video = p_dec->fmt_out.video;
+
+ p_sys->p_vout = vout_Request( p_dec, p_sys->p_vout,
+ p_sys->video.i_width,
+ p_sys->video.i_height,
+ p_sys->video.i_chroma,
+ p_sys->video.i_aspect );
+
+ if( p_sys->p_vout == NULL )
+ {
+ msg_Err( p_dec, "failed to create video output" );
+ return NULL;
+ }
+ }
+
+ /* Get a new picture */
+ while( !(p_pic = vout_CreatePicture( p_sys->p_vout, 0, 0, 0 ) ) )
+ {
+ if( p_dec->b_die || p_dec->b_error )
+ {
+ return NULL;
+ }
+ msleep( VOUT_OUTMEM_SLEEP );
+ }
+
+ return p_pic;
+}
+
+static void vout_del_buffer( decoder_t *p_dec, picture_t *p_pic )
+{
+ vout_DestroyPicture( p_dec->p_owner->p_vout, p_pic );
}
projects / vlc / blobdiff