* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
- *
+ *
* This library 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 GNU
* Lesser General Public License for more details.
- *
+ *
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
-
+
#include <fdk-aac/aacenc_lib.h>
#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_codec.h>
-static int OpenEncoder( vlc_object_t * );
-static void CloseEncoder( vlc_object_t * );
+static int OpenEncoder(vlc_object_t *);
+static void CloseEncoder(vlc_object_t *);
#define ENC_CFG_PREFIX "sout-fdkaac-"
#define AOT_TEXT N_("Encoder Profile")
-#define AOT_LONGTEXT N_( "Encoder Algorithm to use" )
+#define AOT_LONGTEXT N_("Encoder Algorithm to use")
#define SIDEBAND_TEXT N_("Enable spectral band replication")
-#define SIDEBAND_LONGTEXT N_( "This is an optional feature only for the AAC-ELD profile" )
+#define SIDEBAND_LONGTEXT N_("This is an optional feature only for the AAC-ELD profile")
#define VBR_QUALITY_TEXT N_("VBR Quality")
-#define VBR_QUALITY_LONGTEXT N_( "Quality of the VBR Encoding (0=cbr, 1-5 constant quality vbr, 5 is best" )
+#define VBR_QUALITY_LONGTEXT N_("Quality of the VBR Encoding (0=cbr, 1-5 constant quality vbr, 5 is best")
#define AFTERBURNER_TEXT N_("Enable afterburner library")
-#define AFTERBURNER_LONGTEXT N_( "This library will produce higher quality audio at the expense of additional CPU usage (default is enabled)" )
+#define AFTERBURNER_LONGTEXT N_("This library will produce higher quality audio at the expense of additional CPU usage (default is enabled)")
#define SIGNALING_TEXT N_("Signaling mode of the extension AOT")
-#define SIGNALING_LONGTEXT N_( "1 is explicit for SBR and implicit for PS (default), 2 is explicit hierarchical" )
+#define SIGNALING_LONGTEXT N_("1 is explicit for SBR and implicit for PS (default), 2 is explicit hierarchical")
#define CH_ORDER_MPEG 0 /*!< MPEG channel ordering (e. g. 5.1: C, L, R, SL, SR, LFE) */
#define CH_ORDER_WAV 1 /*!< WAV fileformat channel ordering (e. g. 5.1: L, R, C, LFE, SL, SR) */
{ N_("AAC-LC"), N_("HE-AAC"), N_("HE-AAC-v2"), N_("AAC-LD"), N_("AAC-ELD") };
vlc_module_begin ()
- set_shortname( N_("FDKAAC") )
- set_description( N_("FDK-AAC Audio encoder") )
- set_capability( "encoder", 50 )
- set_callbacks( OpenEncoder, CloseEncoder )
- add_shortcut( "fdkaac" )
- set_category( CAT_INPUT )
- set_subcategory( SUBCAT_INPUT_ACODEC )
- add_integer( ENC_CFG_PREFIX "profile", PROFILE_AAC_LC, AOT_TEXT,
- AOT_LONGTEXT, false )
- change_integer_list( pi_aot_values, ppsz_aot_descriptions );
- add_bool( ENC_CFG_PREFIX "sbr", false, SIDEBAND_TEXT,
- SIDEBAND_LONGTEXT, false )
- add_integer( ENC_CFG_PREFIX "vbr", 0, VBR_QUALITY_TEXT,
- VBR_QUALITY_LONGTEXT, false )
+ set_shortname(N_("FDKAAC"))
+ set_description(N_("FDK-AAC Audio encoder"))
+ set_capability("encoder", 150)
+ set_callbacks(OpenEncoder, CloseEncoder)
+ add_shortcut("fdkaac")
+ set_category(CAT_INPUT)
+ set_subcategory(SUBCAT_INPUT_ACODEC)
+ add_integer(ENC_CFG_PREFIX "profile", PROFILE_AAC_LC, AOT_TEXT,
+ AOT_LONGTEXT, false)
+ change_integer_list(pi_aot_values, ppsz_aot_descriptions);
+ add_bool(ENC_CFG_PREFIX "sbr", false, SIDEBAND_TEXT,
+ SIDEBAND_LONGTEXT, false)
+ add_integer(ENC_CFG_PREFIX "vbr", 0, VBR_QUALITY_TEXT,
+ VBR_QUALITY_LONGTEXT, false)
change_integer_range (0, 5)
- add_bool( ENC_CFG_PREFIX "afterburner", true, AFTERBURNER_TEXT,
- AFTERBURNER_LONGTEXT, true )
- add_integer( ENC_CFG_PREFIX "signaling", SIGNALING_COMPATIBLE, SIGNALING_TEXT,
- SIGNALING_LONGTEXT, true )
+ add_bool(ENC_CFG_PREFIX "afterburner", true, AFTERBURNER_TEXT,
+ AFTERBURNER_LONGTEXT, true)
+ add_integer(ENC_CFG_PREFIX "signaling", SIGNALING_COMPATIBLE, SIGNALING_TEXT,
+ SIGNALING_LONGTEXT, true)
change_integer_range (0, 2)
vlc_module_end ()
/*****************************************************************************
* Local prototypes
*****************************************************************************/
-static block_t *EncodeAudio( encoder_t *p_enc, block_t *p_buf );
+static block_t *EncodeAudio(encoder_t *p_enc, block_t *p_buf);
static const char *const ppsz_enc_options[] = {
"profile", "sbr", "vbr", "afterburner", "signaling", NULL
{
double d_compression_ratio;
mtime_t i_pts_last;
- int i_aot; /* This stores the aac profile chosen */
- int i_vbr; /* cbr or vbr-quality value chosen */
- int i_signaling; /* Library feature for backwards compatibility */
int i_encoderdelay; /* Samples delay introduced by the profile */
int i_frame_size;
int i_maxoutputsize; /* Maximum buffer size for encoded output */
HANDLE_AACENCODER handle;
- bool b_afterburner; /* Library feature for additional quality */
- bool b_eld_sbr; /* Spectral band replication option for ELD profile */
};
-static const char *aac_get_errorstring(AACENC_ERROR erraac)
+static const char *fdkaac_error(AACENC_ERROR erraac)
{
switch (erraac) {
- case AACENC_OK:
- return "No error";
- case AACENC_INVALID_HANDLE:
- return "Invalid handle";
- case AACENC_MEMORY_ERROR:
- return "Memory allocation error";
- case AACENC_UNSUPPORTED_PARAMETER:
- return "Unsupported parameter";
- case AACENC_INVALID_CONFIG:
- return "Invalid config";
- case AACENC_INIT_ERROR:
- return "Initialization error";
- case AACENC_INIT_AAC_ERROR:
- return "AAC library initialization error";
- case AACENC_INIT_SBR_ERROR:
- return "SBR library initialization error";
- case AACENC_INIT_TP_ERROR:
- return "Transport library initialization error";
- case AACENC_INIT_META_ERROR:
- return "Metadata library initialization error";
- case AACENC_ENCODE_ERROR:
- return "Encoding error";
- case AACENC_ENCODE_EOF:
- return "End of file";
- default:
- return "Unknown error";
+ case AACENC_OK: return "No error";
+ case AACENC_INVALID_HANDLE: return "Invalid handle";
+ case AACENC_MEMORY_ERROR: return "Memory allocation error";
+ case AACENC_UNSUPPORTED_PARAMETER: return "Unsupported parameter";
+ case AACENC_INVALID_CONFIG: return "Invalid config";
+ case AACENC_INIT_ERROR: return "Initialization error";
+ case AACENC_INIT_AAC_ERROR: return "AAC library initialization error";
+ case AACENC_INIT_SBR_ERROR: return "SBR library initialization error";
+ case AACENC_INIT_TP_ERROR: return "Transport library initialization error";
+ case AACENC_INIT_META_ERROR: return "Metadata library initialization error";
+ case AACENC_ENCODE_ERROR: return "Encoding error";
+ case AACENC_ENCODE_EOF: return "End of file";
+ default: return "Unknown error";
}
}
/*****************************************************************************
* OpenDecoder: open the encoder.
*****************************************************************************/
-static int OpenEncoder( vlc_object_t *p_this )
+static int OpenEncoder(vlc_object_t *p_this)
{
- encoder_t *p_enc;
- encoder_sys_t *p_sys;
- CHANNEL_MODE mode;
- AACENC_ERROR erraac;
- bool b_profile_selected;
- int sce;
- int cpe;
- int i_profile;
- int i_bitrate;
-
- p_enc = (encoder_t *)p_this;
- b_profile_selected = false;
- sce = 0;
- cpe = 0;
-
- if( p_enc->fmt_out.i_codec != VLC_FOURCC( 'l', 'a', 'a', 'c' ) &&
- p_enc->fmt_out.i_codec != VLC_FOURCC( 'h', 'a', 'a', 'c' ) &&
- p_enc->fmt_out.i_codec != VLC_FOURCC( 's', 'a', 'a', 'c' ) &&
- p_enc->fmt_out.i_codec != VLC_CODEC_MP4A )
- {
+ encoder_t *p_enc = (encoder_t *)p_this;
+
+ config_ChainParse(p_enc, ENC_CFG_PREFIX, ppsz_enc_options, p_enc->p_cfg);
+
+ int i_aot;
+ switch (p_enc->fmt_out.i_codec) {
+ case VLC_CODEC_MP4A:
+ i_aot = var_InheritInteger(p_enc, ENC_CFG_PREFIX "profile");
+ break;
+ case VLC_FOURCC('l', 'a', 'a', 'c'):
+ i_aot = PROFILE_AAC_LC;
+ break;
+ case VLC_FOURCC('h', 'a', 'a', 'c'):
+ i_aot = PROFILE_AAC_HE;
+ break;
+ case VLC_FOURCC('s', 'a', 'a', 'c'):
+ i_aot = PROFILE_AAC_HE_v2;
+ break;
+ default:
return VLC_EGENERIC;
}
- else if ( p_enc->fmt_out.i_codec == VLC_FOURCC( 'l', 'a', 'a', 'c' ) )
- {
- b_profile_selected = true;
- i_profile = PROFILE_AAC_LC;
- }
- else if ( p_enc->fmt_out.i_codec == VLC_FOURCC( 'h', 'a', 'a', 'c' ) )
- {
- b_profile_selected = true;
- i_profile = PROFILE_AAC_HE;
- }
- else if ( p_enc->fmt_out.i_codec == VLC_FOURCC( 's', 'a', 'a', 'c' ) )
- {
- b_profile_selected = true;
- i_profile = PROFILE_AAC_HE_v2;
- }
+ if (p_enc->fmt_in.audio.i_channels != 2)
+ if (i_aot == PROFILE_AAC_HE_v2 || i_aot == PROFILE_AAC_ELD) {
+ msg_Err(p_enc, "Selected profile %d can only be used with stereo", i_aot);
+ return VLC_EGENERIC;
+ }
+
+ uint16_t channel_config;
+ CHANNEL_MODE mode;
switch (p_enc->fmt_in.audio.i_channels) {
- case 1: mode = MODE_1; sce = 1; cpe = 0; break;
- case 2: mode = MODE_2; sce = 0; cpe = 1; break;
- case 3: mode = MODE_1_2; sce = 1; cpe = 1; break;
- case 4: mode = MODE_1_2_1; sce = 2; cpe = 1; break;
- case 5: mode = MODE_1_2_2; sce = 1; cpe = 2; break;
- case 6: mode = MODE_1_2_2_1; sce = 2; cpe = 2; break;
- case 8: mode = MODE_1_2_2_2_1; sce = 2; cpe = 3; break;
+ case 1: mode = MODE_1; channel_config = AOUT_CHAN_CENTER; break;
+ case 2: mode = MODE_2; channel_config = AOUT_CHANS_STEREO; break;
+ case 3: mode = MODE_1_2; channel_config = AOUT_CHANS_3_0; break;
+ case 4: mode = MODE_1_2_1; channel_config = AOUT_CHANS_4_CENTER_REAR; break;
+ case 5: mode = MODE_1_2_2; channel_config = AOUT_CHANS_5_0; break;
+ case 6: mode = MODE_1_2_2_1; channel_config = AOUT_CHANS_5_1; break;
+ case 8: mode = MODE_1_2_2_2_1; channel_config = AOUT_CHANS_7_1; break;
default:
- msg_Err( p_enc, "we do not support > 8 input channels, this input has %i",
- p_enc->fmt_in.audio.i_channels );
+ msg_Err(p_enc, "we do not support > 8 input channels, this input has %i",
+ p_enc->fmt_in.audio.i_channels);
return VLC_EGENERIC;
}
+ p_enc->fmt_in.audio.i_physical_channels = channel_config;
+
msg_Info(p_enc, "Initializing AAC Encoder, %i channels", p_enc->fmt_in.audio.i_channels);
/* Allocate the memory needed to store the encoder's structure */
- p_sys = (encoder_sys_t *)malloc(sizeof(encoder_sys_t));
- if( unlikely( !p_sys ) )
+ encoder_sys_t *p_sys = (encoder_sys_t *)malloc(sizeof(encoder_sys_t));
+ if (unlikely(!p_sys))
return VLC_ENOMEM;
p_enc->p_sys = p_sys;
p_enc->fmt_in.i_codec = VLC_CODEC_S16N;
p_enc->fmt_out.i_cat = AUDIO_ES;
p_enc->fmt_out.i_codec = VLC_CODEC_MP4A;
- config_ChainParse( p_enc, ENC_CFG_PREFIX, ppsz_enc_options, p_enc->p_cfg );
-
- if ( b_profile_selected == false )
- p_sys->i_aot = var_InheritInteger( p_enc, ENC_CFG_PREFIX "profile" );
- else
- p_sys->i_aot = i_profile;
- p_sys->b_eld_sbr = var_InheritBool( p_enc, ENC_CFG_PREFIX "sbr" );
- p_sys->i_vbr = var_InheritInteger( p_enc, ENC_CFG_PREFIX "vbr" );
- p_sys->b_afterburner = var_InheritBool( p_enc, ENC_CFG_PREFIX "afterburner" );
- p_sys->i_signaling = var_InheritInteger( p_enc, ENC_CFG_PREFIX "signaling" );
p_sys->i_pts_last = 0;
- if ((p_sys->i_aot == PROFILE_AAC_HE || p_sys->i_aot == PROFILE_AAC_HE_v2) && p_sys->i_vbr > 3)
- {
- msg_Warn(p_enc, "Maximum VBR quality for this profile is 3, setting vbr=3");
- p_sys->i_vbr = 3;
- }
- if ((erraac = aacEncOpen(&p_sys->handle, 0, p_enc->fmt_in.audio.i_channels)) != AACENC_OK) {
- msg_Err(p_enc, "Unable to open encoder: %s", aac_get_errorstring(erraac));
- free( p_sys );
+ AACENC_ERROR erraac;
+ erraac = aacEncOpen(&p_sys->handle, 0, p_enc->fmt_in.audio.i_channels);
+ if (erraac != AACENC_OK) {
+ msg_Err(p_enc, "Unable to open encoder: %s", fdkaac_error(erraac));
+ free(p_sys);
return VLC_EGENERIC;
}
- if ( p_sys->i_aot == PROFILE_AAC_HE_v2 && p_enc->fmt_in.audio.i_channels != 2 )
- {
- msg_Err(p_enc, "The HE-AAC-v2 profile can only be used with stereo sources");
- goto error;
- }
- if ( p_sys->i_aot == PROFILE_AAC_ELD && p_enc->fmt_in.audio.i_channels != 2 )
- {
- msg_Err(p_enc, "The ELD-AAC profile can only be used with stereo sources");
- goto error;
- }
- if ((erraac = aacEncoder_SetParam(p_sys->handle, AACENC_AOT, p_sys->i_aot)) != AACENC_OK) {
- msg_Err(p_enc, "Unable to set the Profile %i: %s", p_sys->i_aot, aac_get_errorstring(erraac));
- goto error;
- }
- if (p_sys->i_aot == PROFILE_AAC_ELD && p_sys->b_eld_sbr) {
- if ((erraac = aacEncoder_SetParam(p_sys->handle, AACENC_SBR_MODE, 1)) != AACENC_OK) {
- msg_Err(p_enc, "Unable to set SBR mode for ELD: %s", aac_get_errorstring(erraac));
- goto error;
- }
- }
- if ((erraac = aacEncoder_SetParam(p_sys->handle, AACENC_SAMPLERATE,
- p_enc->fmt_out.audio.i_rate)) != AACENC_OK) {
- msg_Err(p_enc, "Unable to set the sample rate %i: %s",p_enc->fmt_out.audio.i_rate,
- aac_get_errorstring(erraac));
- goto error;
- }
- if ((erraac = aacEncoder_SetParam(p_sys->handle, AACENC_CHANNELMODE, mode)) != AACENC_OK) {
- msg_Err(p_enc, "Unable to set the channel mode: %s", aac_get_errorstring(erraac));
- goto error;
- }
- if ((erraac = aacEncoder_SetParam(p_sys->handle, AACENC_CHANNELORDER, CH_ORDER_WG4)) != AACENC_OK) {
- msg_Err(p_enc, "Unable to set the sound channel order: %s", aac_get_errorstring(erraac));
- goto error;
- }
- if (p_sys->i_vbr != 0) {
- if ((erraac = aacEncoder_SetParam(p_sys->handle,
- AACENC_BITRATEMODE, p_sys->i_vbr)) != AACENC_OK) {
- msg_Err(p_enc, "Unable to set the VBR bitrate mode: %s", aac_get_errorstring(erraac));
- goto error;
+
+#define SET_PARAM(P, V) do { \
+ AACENC_ERROR err = aacEncoder_SetParam(p_sys->handle, AACENC_ ## P, V); \
+ if (err != AACENC_OK) { \
+ msg_Err(p_enc, "Couldn't set " #P " to value %d: %s", V, fdkaac_error(err)); \
+ goto error; \
+ } \
+ } while(0)
+
+ SET_PARAM(AOT, i_aot);
+ bool b_eld_sbr = var_InheritBool(p_enc, ENC_CFG_PREFIX "sbr");
+ if (i_aot == PROFILE_AAC_ELD && b_eld_sbr)
+ SET_PARAM(SBR_MODE, 1);
+ SET_PARAM(SAMPLERATE, p_enc->fmt_out.audio.i_rate);
+ SET_PARAM(CHANNELMODE, mode);
+ SET_PARAM(CHANNELORDER, CH_ORDER_WG4);
+
+ int i_vbr = var_InheritInteger(p_enc, ENC_CFG_PREFIX "vbr");
+ if (i_vbr != 0) {
+ if ((i_aot == PROFILE_AAC_HE || i_aot == PROFILE_AAC_HE_v2) && i_vbr > 3) {
+ msg_Warn(p_enc, "Maximum VBR quality for this profile is 3, setting vbr=3");
+ i_vbr = 3;
}
+ SET_PARAM(BITRATEMODE, i_vbr);
} else {
- if (p_enc->fmt_out.i_bitrate == 0) {
- if (p_sys->i_aot == PROFILE_AAC_HE_v2) {
- sce = 1;
- cpe = 0;
- }
- i_bitrate = (96*sce + 128*cpe) * p_enc->fmt_out.audio.i_rate / 44;
- if (p_sys->i_aot == PROFILE_AAC_HE ||
- p_sys->i_aot == PROFILE_AAC_HE_v2 ||
- p_sys->b_eld_sbr)
+ int i_bitrate = p_enc->fmt_out.i_bitrate;
+ if (i_bitrate == 0) {
+ i_bitrate = 96 * p_enc->fmt_in.audio.i_channels * p_enc->fmt_out.audio.i_rate / 44;
+ if (i_aot == PROFILE_AAC_HE || i_aot == PROFILE_AAC_HE_v2 || b_eld_sbr)
i_bitrate /= 2;
p_enc->fmt_out.i_bitrate = i_bitrate;
msg_Info(p_enc, "Setting optimal bitrate of %i", i_bitrate);
}
- else
- {
- i_bitrate = p_enc->fmt_out.i_bitrate;
- }
- if ((erraac = aacEncoder_SetParam(p_sys->handle, AACENC_BITRATE,
- i_bitrate)) != AACENC_OK) {
- msg_Err(p_enc, "Unable to set the bitrate %i: %s", i_bitrate,
- aac_get_errorstring(erraac));
- goto error;
- }
- }
- if ((erraac = aacEncoder_SetParam(p_sys->handle, AACENC_TRANSMUX, 0)) != AACENC_OK) {
- msg_Err(p_enc, "Unable to set the ADTS transmux: %s", aac_get_errorstring(erraac));
- goto error;
- }
- if ((erraac = aacEncoder_SetParam(p_sys->handle, AACENC_SIGNALING_MODE,
- (int)p_sys->i_signaling)) != AACENC_OK) {
- /* use explicit backward compatible =1 */
- /* use explicit hierarchical signaling =2 */
- msg_Err(p_enc, "Unable to set signaling mode: %s", aac_get_errorstring(erraac));
- goto error;
- }
- if ((erraac = aacEncoder_SetParam(p_sys->handle, AACENC_AFTERBURNER,
- (int)p_sys->b_afterburner)) != AACENC_OK) {
- msg_Err(p_enc, "Unable to set the afterburner mode: %s", aac_get_errorstring(erraac));
- goto error;
+ SET_PARAM(BITRATE, i_bitrate);
}
- if ((erraac = aacEncEncode(p_sys->handle, NULL, NULL, NULL, NULL)) != AACENC_OK) {
- msg_Err(p_enc, "Unable to initialize the encoder: %s", aac_get_errorstring(erraac));
+ SET_PARAM(TRANSMUX, 0);
+ SET_PARAM(SIGNALING_MODE, (int)var_InheritInteger(p_enc, ENC_CFG_PREFIX "signaling"));
+ SET_PARAM(AFTERBURNER, !!var_InheritBool(p_enc, ENC_CFG_PREFIX "afterburner"));
+#undef SET_PARAM
+
+ erraac = aacEncEncode(p_sys->handle, NULL, NULL, NULL, NULL);
+ if (erraac != AACENC_OK) {
+ msg_Err(p_enc, "Unable to initialize the encoder: %s", fdkaac_error(erraac));
goto error;
}
+
AACENC_InfoStruct info = { 0 };
- if ((erraac = aacEncInfo(p_sys->handle, &info)) != AACENC_OK) {
- msg_Err(p_enc, "Unable to get the encoder info: %s", aac_get_errorstring(erraac));
+ erraac = aacEncInfo(p_sys->handle, &info);
+ if (erraac != AACENC_OK) {
+ msg_Err(p_enc, "Unable to get the encoder info: %s", fdkaac_error(erraac));
goto error;
}
p_sys->i_encoderdelay = info.encoderDelay;
p_enc->fmt_out.i_extra = info.confSize;
- if( p_enc->fmt_out.i_extra )
- {
- p_enc->fmt_out.p_extra = malloc( p_enc->fmt_out.i_extra );
- if ( p_enc->fmt_out.p_extra == NULL )
- {
+ if (p_enc->fmt_out.i_extra) {
+ p_enc->fmt_out.p_extra = malloc(p_enc->fmt_out.i_extra);
+ if (p_enc->fmt_out.p_extra == NULL) {
msg_Err(p_enc, "Unable to allocate fmt_out.p_extra");
goto error;
}
- memcpy( p_enc->fmt_out.p_extra, info.confBuf,
- p_enc->fmt_out.i_extra );
+ memcpy(p_enc->fmt_out.p_extra, info.confBuf, p_enc->fmt_out.i_extra);
}
p_enc->pf_encode_audio = EncodeAudio;
return VLC_SUCCESS;
error:
- aacEncClose(&p_sys->handle);
- free( p_sys );
+ CloseEncoder(p_this);
return VLC_EGENERIC;
}
/****************************************************************************
* EncodeAudio: the whole thing
****************************************************************************/
-static block_t *EncodeAudio( encoder_t *p_enc, block_t *p_aout_buf )
+static block_t *EncodeAudio(encoder_t *p_enc, block_t *p_aout_buf)
{
- encoder_sys_t *p_sys;
int16_t *p_buffer;
int i_samples;
- int i_loop_count;
- int i_samples_left;
mtime_t i_pts_out;
- block_t *p_chain;
- AACENC_ERROR erraac;
- p_sys = p_enc->p_sys;
- p_chain = NULL;
+ encoder_sys_t *p_sys = p_enc->p_sys;
- if ( likely( p_aout_buf ) )
- {
+ if (likely(p_aout_buf)) {
p_buffer = (int16_t *)p_aout_buf->p_buffer;
i_samples = p_aout_buf->i_nb_samples;
i_pts_out = p_aout_buf->i_pts - (mtime_t)((double)CLOCK_FREQ *
p_sys->i_pts_last = i_pts_out - (mtime_t)((double)CLOCK_FREQ *
(double)(p_sys->i_frame_size) /
(double)p_enc->fmt_out.audio.i_rate);
- }
- else
- {
+ } else {
i_samples = 0;
i_pts_out = p_sys->i_pts_last;
}
- i_samples_left = i_samples;
- i_loop_count = 0;
+ int i_samples_left = i_samples;
+ int i_loop_count = 0;
- while ( i_samples_left >= 0 )
- {
+ block_t *p_chain = NULL;
+ while (i_samples_left >= 0) {
AACENC_BufDesc in_buf = { 0 }, out_buf = { 0 };
AACENC_InArgs in_args = { 0 };
AACENC_OutArgs out_args = { 0 };
int out_size, out_elem_size;
void *in_ptr, *out_ptr;
- if ( unlikely(i_samples == 0) ) {
+ if (unlikely(i_samples == 0)) {
// this forces the encoder to purge whatever is left in the internal buffer
in_args.numInSamples = -1;
} else {
in_buf.bufElSizes = &in_elem_size;
}
block_t *p_block;
- p_block = block_Alloc( p_sys->i_maxoutputsize );
+ p_block = block_Alloc(p_sys->i_maxoutputsize);
p_block->i_buffer = p_sys->i_maxoutputsize;
out_ptr = p_block->p_buffer;
out_size = p_block->i_buffer;
out_buf.bufSizes = &out_size;
out_buf.bufElSizes = &out_elem_size;
+ AACENC_ERROR erraac;
if ((erraac = aacEncEncode(p_sys->handle, &in_buf, &out_buf, &in_args, &out_args)) != AACENC_OK) {
if (erraac == AACENC_ENCODE_EOF) {
- msg_Info( p_enc, "Encoding final bytes (EOF)");
- }
- else
- {
- msg_Err( p_enc, "Encoding failed: %s", aac_get_errorstring(erraac));
+ msg_Info(p_enc, "Encoding final bytes (EOF)");
+ } else {
+ msg_Err(p_enc, "Encoding failed: %s", fdkaac_error(erraac));
block_Release(p_block);
break;
}
}
- if ( out_args.numOutBytes > 0 )
- {
+ if (out_args.numOutBytes > 0) {
p_block->i_buffer = out_args.numOutBytes;
- if ( unlikely(i_samples == 0) )
- {
+ if (unlikely(i_samples == 0)) {
// I only have the numOutBytes so approximate based on compression factor
double d_samples_forward = p_sys->d_compression_ratio*(double)out_args.numOutBytes;
i_pts_out += (mtime_t)d_samples_forward;
p_block->i_length = (mtime_t)d_samples_forward;
- // TODO: It would be more precise (a few microseconds) to use d_samples_forward =
+ // TODO: It would be more precise (a few microseconds) to use d_samples_forward =
// (mtime_t)CLOCK_FREQ * (mtime_t)p_sys->i_frame_size/(mtime_t)p_enc->fmt_out.audio.i_rate
- // but I am not sure if the lib always outputs a full frame when
+ // but I am not sure if the lib always outputs a full frame when
// emptying the internal buffer in the EOF scenario
- }
- else
- {
- if ( i_loop_count == 0 )
- {
+ } else {
+ if (i_loop_count == 0) {
// There can be an implicit delay in the first loop cycle because leftover bytes
// in the library buffer from the prior block
double d_samples_delay = (double)p_sys->i_frame_size - (double)out_args.numInSamples /
(double)p_enc->fmt_in.audio.i_channels;
i_pts_out -= (mtime_t)((double)CLOCK_FREQ * d_samples_delay /
(double)p_enc->fmt_out.audio.i_rate);
- //p_block->i_length = (mtime_t)((double)CLOCK_FREQ * (double)p_sys->i_frame_size /
- // (double)p_enc->fmt_out.audio.i_rate);
- p_block->i_length = i_pts_out - p_sys->i_pts_last;
- }
- else
- {
+ p_block->i_length = (mtime_t)((double)CLOCK_FREQ * (double)p_sys->i_frame_size /
+ (double)p_enc->fmt_out.audio.i_rate);
+ p_block->i_nb_samples = d_samples_delay;
+ //p_block->i_length = i_pts_out - p_sys->i_pts_last;
+ } else {
double d_samples_forward = (double)out_args.numInSamples/(double)p_enc->fmt_in.audio.i_channels;
double d_length = ((double)CLOCK_FREQ * d_samples_forward /
(double)p_enc->fmt_out.audio.i_rate);
i_pts_out += (mtime_t) d_length;
p_block->i_length = (mtime_t) d_length;
+ p_block->i_nb_samples = d_samples_forward;
}
}
p_block->i_dts = p_block->i_pts = i_pts_out;
- block_ChainAppend( &p_chain, p_block );
- //msg_Dbg( p_enc, "p_block->i_dts %llu, p_block->i_length %llu, p_sys->i_pts_last %llu\n\
- // out_args.numOutBytes = %i, out_args.numInSamples = %i, i_samples %i, i_loop_count %i",
- // p_block->i_dts , p_block->i_length,p_sys->i_pts_last,
- // out_args.numOutBytes, out_args.numInSamples, i_samples, i_loop_count);
- if ( likely(i_samples > 0) )
- {
+ block_ChainAppend(&p_chain, p_block);
+#if 0
+ msg_Dbg(p_enc, "dts %"PRId64", length %"PRId64", " "pts_last "
+ "%"PRId64" numOutBytes = %i, numInSamples = %i, "
+ "i_samples %i, i_loop_count %i",
+ p_block->i_dts, p_block->i_length,
+ p_sys->i_pts_last, out_args.numOutBytes,
+ out_args.numInSamples, i_samples, i_loop_count);
+#endif
+ if (likely(i_samples > 0)) {
p_sys->d_compression_ratio = (double)p_block->i_length / (double)out_args.numOutBytes;
i_samples_left -= out_args.numInSamples/p_enc->fmt_in.audio.i_channels;
p_sys->i_pts_last = i_pts_out;
}
- }
- else
- {
+ } else {
block_Release(p_block);
- //msg_Dbg( p_enc, "aac_encode_audio: not enough data yet");
+ //msg_Dbg(p_enc, "aac_encode_audio: not enough data yet");
break;
}
- if ( unlikely(i_loop_count++ > 100) )
- {
- msg_Err( p_enc, "Loop count greater than 100!!!, something must be wrong with the encoder library");
+ if (unlikely(i_loop_count++ > 100)) {
+ msg_Err(p_enc, "Loop count greater than 100!!!, something must be wrong with the encoder library");
break;
}
}
return p_chain;
-
}
/*****************************************************************************
* CloseDecoder: decoder destruction
*****************************************************************************/
-static void CloseEncoder( vlc_object_t *p_this )
+static void CloseEncoder(vlc_object_t *p_this)
{
encoder_t *p_enc = (encoder_t *)p_this;
encoder_sys_t *p_sys = p_enc->p_sys;
aacEncClose(&p_sys->handle);
-
- free( p_sys );
+ free(p_sys);
}