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qcelp: grammar

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Signed-off-by: Reynaldo H. Verdejo Pinochet <r.verdejo@sisa.samsung.com>
This commit is contained in:
Reynaldo H. Verdejo Pinochet 2014-02-14 17:42:23 -03:00
parent 84cdd2fd80
commit b295bce148
2 changed files with 16 additions and 16 deletions
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28
libavcodec/qcelpdata.h
View File

@ -66,7 +66,7 @@ typedef struct QCELPFrame {
} QCELPFrame;
/**
* pre-calculated table for hammsinc function
* Pre-calculated table for hammsinc function.
* Only half of the table is needed because of symmetry.
*
* TIA/EIA/IS-733 2.4.5.2-2/3
@ -82,7 +82,7 @@ typedef struct QCELPBitmap {
#define QCELP_OF(variable, bit, len) {offsetof(QCELPFrame, variable), bit, len}
/**
* bitmap unpacking tables for RATE_FULL
* Bitmap unpacking tables for RATE_FULL
*
* TIA/EIA/IS-733 Table 2.4.7.1-1
*/
@ -169,7 +169,7 @@ static const QCELPBitmap qcelp_rate_full_bitmap[] = {
};
/**
* bitmap unpacking tables for RATE_HALF
* Bitmap unpacking tables for RATE_HALF
*
* TIA/EIA/IS-733 Table 2.4.7.2-1
*/
@ -211,7 +211,7 @@ static const QCELPBitmap qcelp_rate_half_bitmap[] = {
};
/**
* bitmap unpacking tables for RATE_QUARTER
* Bitmap unpacking tables for RATE_QUARTER
*
* TIA/EIA/IS-733 Table 2.4.7.3-1
*/
@ -232,7 +232,7 @@ static const QCELPBitmap qcelp_rate_quarter_bitmap[] = {
};
/**
* bitmap unpacking tables for RATE_OCTAVE
* Bitmap unpacking tables for RATE_OCTAVE
*
* trick: CBSEED is written into QCELPContext.cbsign[15],
* which is not used for RATE_OCTAVE.
@ -262,7 +262,7 @@ static const QCELPBitmap qcelp_rate_octave_bitmap[] = {
};
/**
* position of the bitmapping data for each packet type in
* Bitmapping data position for each packet type in
* the QCELPContext
*/
static const QCELPBitmap * const qcelp_unpacking_bitmaps_per_rate[5] = {
@ -420,12 +420,12 @@ static const qcelp_vector * const qcelp_lspvq[5] = {
};
/**
* the final gain scalefactor before clipping into a usable output float
* The final gain scalefactor before clipping into a usable output float
*/
#define QCELP_SCALE 8192.
/**
* table for computing Ga (decoded linear codebook gain magnitude)
* Table for computing Ga (decoded linear codebook gain magnitude)
*
* @note The table could fit in int16_t in x*8 form, but it seems
* to be slower on x86
@ -452,7 +452,7 @@ static const float qcelp_g12ga[61] = {
1000.000/QCELP_SCALE};
/**
* circular codebook for rate 1 frames in x*100 form
* Circular codebook for rate 1 frames in x*100 form
*
* TIA/EIA/IS-733 2.4.6.1-2
*/
@ -477,7 +477,7 @@ static const int16_t qcelp_rate_full_codebook[128] = {
#define QCELP_RATE_FULL_CODEBOOK_RATIO .01
/**
* circular codebook for rate 1/2 frames in x*2 form
* Circular codebook for rate 1/2 frames in x*2 form
*
* TIA/EIA/IS-733 2.4.6.1-1
*/
@ -511,7 +511,7 @@ static const int8_t qcelp_rate_half_codebook[128] = {
#define QCELP_SQRT1887 1.373681186
/**
* table for impulse response of BPF used to filter
* Table for impulse response of BPF used to filter
* the white excitation for bitrate 1/4 synthesis
*
* Only half the tables are needed because of symmetry.
@ -526,14 +526,14 @@ static const double qcelp_rnd_fir_coefs[11] = {
/**
* This spread factor is used, for bitrate 1/8 and I_F_Q,
* to force the LSP frequencies to be at least 80 Hz apart.
* to force LSP frequencies to be at least 80 Hz apart.
*
* TIA/EIA/IS-733 2.4.3.3.2
*/
#define QCELP_LSP_SPREAD_FACTOR 0.02
/**
* predictor coefficient for the conversion of LSP codes
* Predictor coefficient for the conversion of LSP codes
* to LSP frequencies for 1/8 and I_F_Q
*
* TIA/EIA/IS-733 2.4.3.2.7-2
@ -541,7 +541,7 @@ static const double qcelp_rnd_fir_coefs[11] = {
#define QCELP_LSP_OCTAVE_PREDICTOR 29.0/32
/**
* initial coefficient to perform bandwidth expansion on LPC
* Initial coefficient to perform bandwidth expansion on LPC
*
* @note: 0.9883 looks like an approximation of 253/256.
*

4
libavcodec/qcelpdec.c
View File

@ -633,7 +633,7 @@ static qcelp_packet_rate determine_bitrate(AVCodecContext *avctx,
(*buf)++;
} else if ((bitrate = buf_size2bitrate(buf_size + 1)) >= 0) {
av_log(avctx, AV_LOG_WARNING,
"Bitrate byte is missing, guessing the bitrate from packet size.\n");
"Bitrate byte missing, guessing bitrate from packet size.\n");
} else
return I_F_Q;
@ -703,7 +703,7 @@ static int qcelp_decode_frame(AVCodecContext *avctx, void *data,
outbuffer = (float *)frame->data[0];
if ((q->bitrate = determine_bitrate(avctx, buf_size, &buf)) == I_F_Q) {
warn_insufficient_frame_quality(avctx, "bitrate cannot be determined.");
warn_insufficient_frame_quality(avctx, "Bitrate cannot be determined.");
goto erasure;
}