/*****************************************************************************
- * audio.c: audio decoder using ffmpeg library
+ * audio.c: audio decoder using libavcodec library
*****************************************************************************
* Copyright (C) 1999-2003 the VideoLAN team
* $Id$
#include <vlc_codec.h>
#include <vlc_avcodec.h>
-/* ffmpeg header */
-#ifdef HAVE_LIBAVCODEC_AVCODEC_H
-# include <libavcodec/avcodec.h>
-#elif defined(HAVE_FFMPEG_AVCODEC_H)
-# include <ffmpeg/avcodec.h>
-#else
-# include <avcodec.h>
+#include <libavcodec/avcodec.h>
+#include <libavutil/mem.h>
+
+#if LIBAVUTIL_VERSION_INT >= ((50<<16)+(38<<8)+0)
+# include "libavutil/audioconvert.h"
#endif
#include "avcodec.h"
*****************************************************************************/
struct decoder_sys_t
{
- FFMPEG_COMMON_MEMBERS
+ AVCODEC_COMMON_MEMBERS
/* Temporary buffer for libavcodec */
int i_output_max;
int64_t i_previous_layout;
};
+#define BLOCK_FLAG_PRIVATE_REALLOCATED (1 << BLOCK_FLAG_PRIVATE_SHIFT)
+
static void SetupOutputFormat( decoder_t *p_dec, bool b_trust );
-/*****************************************************************************
- * InitAudioDec: initialize audio decoder
- *****************************************************************************
- * The ffmpeg codec will be opened, some memory allocated.
- *****************************************************************************/
-int InitAudioDec( decoder_t *p_dec, AVCodecContext *p_context,
- AVCodec *p_codec, int i_codec_id, const char *psz_namecodec )
+static void InitDecoderConfig( decoder_t *p_dec, AVCodecContext *p_context )
{
- decoder_sys_t *p_sys;
-
- /* Allocate the memory needed to store the decoder's structure */
- if( ( p_dec->p_sys = p_sys = malloc(sizeof(*p_sys)) ) == NULL )
- {
- return VLC_ENOMEM;
- }
-
- p_codec->type = CODEC_TYPE_AUDIO;
- p_context->codec_type = CODEC_TYPE_AUDIO;
- p_context->codec_id = i_codec_id;
- p_sys->p_context = p_context;
- p_sys->p_codec = p_codec;
- p_sys->i_codec_id = i_codec_id;
- p_sys->psz_namecodec = psz_namecodec;
- p_sys->b_delayed_open = false;
-
- /* ***** Fill p_context with init values ***** */
- p_sys->p_context->sample_rate = p_dec->fmt_in.audio.i_rate;
- p_sys->p_context->channels = p_dec->fmt_in.audio.i_channels;
-
- p_sys->p_context->block_align = p_dec->fmt_in.audio.i_blockalign;
- p_sys->p_context->bit_rate = p_dec->fmt_in.i_bitrate;
-#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT( 52, 0, 0 )
- p_sys->p_context->bits_per_sample = p_dec->fmt_in.audio.i_bitspersample;
-#else
- p_sys->p_context->bits_per_coded_sample = p_dec->fmt_in.audio.i_bitspersample;
-#endif
-
if( p_dec->fmt_in.i_extra > 0 )
{
const uint8_t * const p_src = p_dec->fmt_in.p_extra;
if( i_size > 0 )
{
- p_sys->p_context->extradata =
+ p_context->extradata =
malloc( i_size + FF_INPUT_BUFFER_PADDING_SIZE );
- if( p_sys->p_context->extradata )
+ if( p_context->extradata )
{
- uint8_t *p_dst = p_sys->p_context->extradata;
+ uint8_t *p_dst = p_context->extradata;
- p_sys->p_context->extradata_size = i_size;
+ p_context->extradata_size = i_size;
memcpy( &p_dst[0], &p_src[i_offset], i_size );
memset( &p_dst[i_size], 0, FF_INPUT_BUFFER_PADDING_SIZE );
}
else
{
- p_sys->p_context->extradata_size = 0;
- p_sys->p_context->extradata = NULL;
+ p_context->extradata_size = 0;
+ p_context->extradata = NULL;
+ }
+}
+
+/*****************************************************************************
+ * InitAudioDec: initialize audio decoder
+ *****************************************************************************
+ * The avcodec codec will be opened, some memory allocated.
+ *****************************************************************************/
+int InitAudioDec( decoder_t *p_dec, AVCodecContext *p_context,
+ AVCodec *p_codec, int i_codec_id, const char *psz_namecodec )
+{
+ decoder_sys_t *p_sys;
+
+ /* Allocate the memory needed to store the decoder's structure */
+ if( ( p_dec->p_sys = p_sys = malloc(sizeof(*p_sys)) ) == NULL )
+ {
+ return VLC_ENOMEM;
}
+ p_codec->type = AVMEDIA_TYPE_AUDIO;
+ p_context->codec_type = AVMEDIA_TYPE_AUDIO;
+ p_context->codec_id = i_codec_id;
+ p_sys->p_context = p_context;
+ p_sys->p_codec = p_codec;
+ p_sys->i_codec_id = i_codec_id;
+ p_sys->psz_namecodec = psz_namecodec;
+ p_sys->b_delayed_open = true;
+
+ // Initialize decoder extradata
+ InitDecoderConfig( p_dec, p_context);
+
/* ***** Open the codec ***** */
- int ret;
- vlc_avcodec_lock();
- ret = avcodec_open( p_sys->p_context, p_sys->p_codec );
- vlc_avcodec_unlock();
- if( ret < 0 )
+ if( ffmpeg_OpenCodec( p_dec ) < 0 )
{
msg_Err( p_dec, "cannot open codec (%s)", p_sys->psz_namecodec );
free( p_sys->p_context->extradata );
return VLC_EGENERIC;
}
- msg_Dbg( p_dec, "ffmpeg codec (%s) started", p_sys->psz_namecodec );
-
switch( i_codec_id )
{
case CODEC_ID_WAVPACK:
p_sys->i_previous_channels = 0;
p_sys->i_previous_layout = 0;
- date_Set( &p_sys->end_date, 0 );
- if( p_dec->fmt_in.audio.i_rate )
- date_Init( &p_sys->end_date, p_dec->fmt_in.audio.i_rate, 1 );
-
/* */
p_dec->fmt_out.i_cat = AUDIO_ES;
- /* Try to set as much informations as possible but do not trust it */
+ /* Try to set as much information as possible but do not trust it */
SetupOutputFormat( p_dec, false );
+ date_Set( &p_sys->end_date, 0 );
+ if( p_dec->fmt_out.audio.i_rate )
+ date_Init( &p_sys->end_date, p_dec->fmt_out.audio.i_rate, 1 );
+ else if( p_dec->fmt_in.audio.i_rate )
+ date_Init( &p_sys->end_date, p_dec->fmt_in.audio.i_rate, 1 );
+
return VLC_SUCCESS;
}
* SplitBuffer: Needed because aout really doesn't like big audio chunk and
* wma produces easily > 30000 samples...
*****************************************************************************/
-static aout_buffer_t *SplitBuffer( decoder_t *p_dec )
+static block_t *SplitBuffer( decoder_t *p_dec )
{
decoder_sys_t *p_sys = p_dec->p_sys;
int i_samples = __MIN( p_sys->i_samples, 4096 );
- aout_buffer_t *p_buffer;
+ block_t *p_buffer;
if( i_samples == 0 ) return NULL;
/*****************************************************************************
* DecodeAudio: Called to decode one frame
*****************************************************************************/
-aout_buffer_t * DecodeAudio ( decoder_t *p_dec, block_t **pp_block )
+block_t * DecodeAudio ( decoder_t *p_dec, block_t **pp_block )
{
decoder_sys_t *p_sys = p_dec->p_sys;
int i_used, i_output;
- aout_buffer_t *p_buffer;
+ block_t *p_buffer;
block_t *p_block;
+ AVPacket pkt;
if( !pp_block || !*pp_block ) return NULL;
p_block = *pp_block;
+ if( !p_sys->p_context->extradata_size && p_dec->fmt_in.i_extra &&
+ p_sys->b_delayed_open)
+ {
+ InitDecoderConfig( p_dec, p_sys->p_context);
+ if( ffmpeg_OpenCodec( p_dec ) )
+ msg_Err( p_dec, "Cannot open decoder %s", p_sys->psz_namecodec );
+ }
+ if( p_sys->b_delayed_open )
+ {
+ block_Release( p_block );
+ return NULL;
+ }
+
if( p_block->i_flags & (BLOCK_FLAG_DISCONTINUITY|BLOCK_FLAG_CORRUPTED) )
{
block_Release( p_block );
return NULL;
}
- *pp_block = p_block = block_Realloc( p_block, 0, p_block->i_buffer + FF_INPUT_BUFFER_PADDING_SIZE );
- if( !p_block )
- return NULL;
- p_block->i_buffer -= FF_INPUT_BUFFER_PADDING_SIZE;
- memset( &p_block->p_buffer[p_block->i_buffer], 0, FF_INPUT_BUFFER_PADDING_SIZE );
+ if( (p_block->i_flags & BLOCK_FLAG_PRIVATE_REALLOCATED) == 0 )
+ {
+ *pp_block = p_block = block_Realloc( p_block, 0, p_block->i_buffer + FF_INPUT_BUFFER_PADDING_SIZE );
+ if( !p_block )
+ return NULL;
+ p_block->i_buffer -= FF_INPUT_BUFFER_PADDING_SIZE;
+ memset( &p_block->p_buffer[p_block->i_buffer], 0, FF_INPUT_BUFFER_PADDING_SIZE );
+
+ p_block->i_flags |= BLOCK_FLAG_PRIVATE_REALLOCATED;
+ }
do
{
p_sys->p_output = av_realloc( p_sys->p_output, i_output );
}
-#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT( 52, 0, 0 )
- i_used = avcodec_decode_audio2( p_sys->p_context,
- (int16_t*)p_sys->p_output, &i_output,
- p_block->p_buffer, p_block->i_buffer );
-#else
- i_used = avcodec_decode_audio( p_sys->p_context,
+ av_init_packet( &pkt );
+ pkt.data = p_block->p_buffer;
+ pkt.size = p_block->i_buffer;
+ i_used = avcodec_decode_audio3( p_sys->p_context,
(int16_t*)p_sys->p_output, &i_output,
- p_block->p_buffer, p_block->i_buffer );
-#endif
+ &pkt );
if( i_used < 0 || i_output < 0 )
{
/*****************************************************************************
*
*****************************************************************************/
-#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT( 52, 2, 0 )
-# define LIBAVCODEC_AUDIO_LAYOUT
-#else
-# warning "Audio channel layout is unsupported by your avcodec version."
-#endif
-#if defined(LIBAVCODEC_AUDIO_LAYOUT)
-static const uint64_t pi_channels_map[][2] =
-{
- { CH_FRONT_LEFT, AOUT_CHAN_LEFT },
- { CH_FRONT_RIGHT, AOUT_CHAN_RIGHT },
- { CH_FRONT_CENTER, AOUT_CHAN_CENTER },
- { CH_LOW_FREQUENCY, AOUT_CHAN_LFE },
- { CH_BACK_LEFT, AOUT_CHAN_REARLEFT },
- { CH_BACK_RIGHT, AOUT_CHAN_REARRIGHT },
- { CH_FRONT_LEFT_OF_CENTER, 0 },
- { CH_FRONT_RIGHT_OF_CENTER, 0 },
- { CH_BACK_CENTER, AOUT_CHAN_REARCENTER },
- { CH_SIDE_LEFT, AOUT_CHAN_MIDDLELEFT },
- { CH_SIDE_RIGHT, AOUT_CHAN_MIDDLERIGHT },
- { CH_TOP_CENTER, 0 },
- { CH_TOP_FRONT_LEFT, 0 },
- { CH_TOP_FRONT_CENTER, 0 },
- { CH_TOP_FRONT_RIGHT, 0 },
- { CH_TOP_BACK_LEFT, 0 },
- { CH_TOP_BACK_CENTER, 0 },
- { CH_TOP_BACK_RIGHT, 0 },
- { CH_STEREO_LEFT, 0 },
- { CH_STEREO_RIGHT, 0 },
-};
-#else
-static const uint64_t pi_channels_map[][2] =
+void GetVlcAudioFormat( vlc_fourcc_t *pi_codec, unsigned *pi_bits, int i_sample_fmt )
{
- { 0, AOUT_CHAN_LEFT },
- { 0, AOUT_CHAN_RIGHT },
- { 0, AOUT_CHAN_CENTER },
- { 0, AOUT_CHAN_LFE },
- { 0, AOUT_CHAN_REARLEFT },
- { 0, AOUT_CHAN_REARRIGHT },
- { 0, 0 },
- { 0, 0 },
- { 0, AOUT_CHAN_REARCENTER },
- { 0, AOUT_CHAN_MIDDLELEFT },
- { 0, AOUT_CHAN_MIDDLERIGHT },
- { 0, 0 },
- { 0, 0 },
- { 0, 0 },
- { 0, 0 },
- { 0, 0 },
- { 0, 0 },
- { 0, 0 },
- { 0, 0 },
- { 0, 0 },
-};
-#endif
-
-static void SetupOutputFormat( decoder_t *p_dec, bool b_trust )
-{
- decoder_sys_t *p_sys = p_dec->p_sys;
-
-#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT( 51, 65, 0 )
- switch( p_sys->p_context->sample_fmt )
+ switch( i_sample_fmt )
{
- case SAMPLE_FMT_U8:
- p_dec->fmt_out.i_codec = VLC_CODEC_U8;
- p_dec->fmt_out.audio.i_bitspersample = 8;
+ case AV_SAMPLE_FMT_U8:
+ *pi_codec = VLC_CODEC_U8;
+ *pi_bits = 8;
break;
- case SAMPLE_FMT_S32:
- p_dec->fmt_out.i_codec = VLC_CODEC_S32N;
- p_dec->fmt_out.audio.i_bitspersample = 32;
+ case AV_SAMPLE_FMT_S32:
+ *pi_codec = VLC_CODEC_S32N;
+ *pi_bits = 32;
break;
- case SAMPLE_FMT_FLT:
- p_dec->fmt_out.i_codec = VLC_CODEC_FL32;
- p_dec->fmt_out.audio.i_bitspersample = 32;
+ case AV_SAMPLE_FMT_FLT:
+ *pi_codec = VLC_CODEC_FL32;
+ *pi_bits = 32;
break;
- case SAMPLE_FMT_DBL:
- p_dec->fmt_out.i_codec = VLC_CODEC_FL64;
- p_dec->fmt_out.audio.i_bitspersample = 64;
+ case AV_SAMPLE_FMT_DBL:
+ *pi_codec = VLC_CODEC_FL64;
+ *pi_bits = 64;
break;
- case SAMPLE_FMT_S16:
+ case AV_SAMPLE_FMT_S16:
default:
- p_dec->fmt_out.i_codec = VLC_CODEC_S16N;
- p_dec->fmt_out.audio.i_bitspersample = 16;
+ *pi_codec = VLC_CODEC_S16N;
+ *pi_bits = 16;
break;
}
-#else
- p_dec->fmt_out.i_codec = VLC_CODEC_S16N;
- p_dec->fmt_out.audio.i_bitspersample = 16;
-#endif
- p_dec->fmt_out.audio.i_rate = p_sys->p_context->sample_rate;
+}
+
+static const uint64_t pi_channels_map[][2] =
+{
+ { AV_CH_FRONT_LEFT, AOUT_CHAN_LEFT },
+ { AV_CH_FRONT_RIGHT, AOUT_CHAN_RIGHT },
+ { AV_CH_FRONT_CENTER, AOUT_CHAN_CENTER },
+ { AV_CH_LOW_FREQUENCY, AOUT_CHAN_LFE },
+ { AV_CH_BACK_LEFT, AOUT_CHAN_REARLEFT },
+ { AV_CH_BACK_RIGHT, AOUT_CHAN_REARRIGHT },
+ { AV_CH_FRONT_LEFT_OF_CENTER, 0 },
+ { AV_CH_FRONT_RIGHT_OF_CENTER, 0 },
+ { AV_CH_BACK_CENTER, AOUT_CHAN_REARCENTER },
+ { AV_CH_SIDE_LEFT, AOUT_CHAN_MIDDLELEFT },
+ { AV_CH_SIDE_RIGHT, AOUT_CHAN_MIDDLERIGHT },
+ { AV_CH_TOP_CENTER, 0 },
+ { AV_CH_TOP_FRONT_LEFT, 0 },
+ { AV_CH_TOP_FRONT_CENTER, 0 },
+ { AV_CH_TOP_FRONT_RIGHT, 0 },
+ { AV_CH_TOP_BACK_LEFT, 0 },
+ { AV_CH_TOP_BACK_CENTER, 0 },
+ { AV_CH_TOP_BACK_RIGHT, 0 },
+ { AV_CH_STEREO_LEFT, 0 },
+ { AV_CH_STEREO_RIGHT, 0 },
+};
+
+static void SetupOutputFormat( decoder_t *p_dec, bool b_trust )
+{
+ decoder_sys_t *p_sys = p_dec->p_sys;
+
+ GetVlcAudioFormat( &p_dec->fmt_out.i_codec,
+ &p_dec->fmt_out.audio.i_bitspersample,
+ p_sys->p_context->sample_fmt );
+ p_dec->fmt_out.audio.i_rate = p_sys->p_context->sample_rate;
/* */
-#if defined(LIBAVCODEC_AUDIO_LAYOUT)
if( p_sys->i_previous_channels == p_sys->p_context->channels &&
p_sys->i_previous_layout == p_sys->p_context->channel_layout )
return;
-#else
- if( p_sys->i_previous_channels == p_sys->p_context->channels )
- return;
-#endif
if( b_trust )
{
p_sys->i_previous_channels = p_sys->p_context->channels;
-#if defined(LIBAVCODEC_AUDIO_LAYOUT)
p_sys->i_previous_layout = p_sys->p_context->channel_layout;
-#endif
}
/* Specified order
* FIXME should we use fmt_in.audio.i_physical_channels or not ?
*/
-#if defined(LIBAVCODEC_AUDIO_LAYOUT)
const unsigned i_order_max = 8 * sizeof(p_sys->p_context->channel_layout);
-#else
- const unsigned i_order_max = 64;
-#endif
uint32_t pi_order_src[i_order_max];
int i_channels_src = 0;
-#if defined(LIBAVCODEC_AUDIO_LAYOUT)
if( p_sys->p_context->channel_layout )
{
for( unsigned i = 0; i < sizeof(pi_channels_map)/sizeof(*pi_channels_map); i++ )
}
}
else
-#endif
{
/* Create default order */
if( b_trust )
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