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doxygen: misc consistency, spelling and wording fixes

This commit is contained in:
Diego Biurrun 2011-12-07 13:03:53 +01:00
parent 8b494b7b27
commit 58c42af722
51 changed files with 179 additions and 179 deletions
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2
libavcodec/aacpsy.c
View File

@ -216,7 +216,7 @@ static const float psy_fir_coeffs[] = {
};
/**
* calculates the attack threshold for ABR from the above table for the LAME psy model
* Calculate the ABR attack threshold from the above LAME psymodel table.
*/
static float lame_calc_attack_threshold(int bitrate)
{

68
libavcodec/amrwbdec.c
View File

@ -111,7 +111,7 @@ static av_cold int amrwb_decode_init(AVCodecContext *avctx)
/**
* Decode the frame header in the "MIME/storage" format. This format
* is simpler and does not carry the auxiliary information of the frame
* is simpler and does not carry the auxiliary frame information.
*
* @param[in] ctx The Context
* @param[in] buf Pointer to the input buffer
@ -133,7 +133,7 @@ static int decode_mime_header(AMRWBContext *ctx, const uint8_t *buf)
}
/**
* Decodes quantized ISF vectors using 36-bit indexes (6K60 mode only)
* Decode quantized ISF vectors using 36-bit indexes (6K60 mode only).
*
* @param[in] ind Array of 5 indexes
* @param[out] isf_q Buffer for isf_q[LP_ORDER]
@ -160,7 +160,7 @@ static void decode_isf_indices_36b(uint16_t *ind, float *isf_q)
}
/**
* Decodes quantized ISF vectors using 46-bit indexes (except 6K60 mode)
* Decode quantized ISF vectors using 46-bit indexes (except 6K60 mode).
*
* @param[in] ind Array of 7 indexes
* @param[out] isf_q Buffer for isf_q[LP_ORDER]
@ -193,8 +193,8 @@ static void decode_isf_indices_46b(uint16_t *ind, float *isf_q)
}
/**
* Apply mean and past ISF values using the prediction factor
* Updates past ISF vector
* Apply mean and past ISF values using the prediction factor.
* Updates past ISF vector.
*
* @param[in,out] isf_q Current quantized ISF
* @param[in,out] isf_past Past quantized ISF
@ -215,7 +215,7 @@ static void isf_add_mean_and_past(float *isf_q, float *isf_past)
/**
* Interpolate the fourth ISP vector from current and past frames
* to obtain a ISP vector for each subframe
* to obtain an ISP vector for each subframe.
*
* @param[in,out] isp_q ISPs for each subframe
* @param[in] isp4_past Past ISP for subframe 4
@ -232,9 +232,9 @@ static void interpolate_isp(double isp_q[4][LP_ORDER], const double *isp4_past)
}
/**
* Decode an adaptive codebook index into pitch lag (except 6k60, 8k85 modes)
* Calculate integer lag and fractional lag always using 1/4 resolution
* In 1st and 3rd subframes the index is relative to last subframe integer lag
* Decode an adaptive codebook index into pitch lag (except 6k60, 8k85 modes).
* Calculate integer lag and fractional lag always using 1/4 resolution.
* In 1st and 3rd subframes the index is relative to last subframe integer lag.
*
* @param[out] lag_int Decoded integer pitch lag
* @param[out] lag_frac Decoded fractional pitch lag
@ -271,9 +271,9 @@ static void decode_pitch_lag_high(int *lag_int, int *lag_frac, int pitch_index,
}
/**
* Decode a adaptive codebook index into pitch lag for 8k85 and 6k60 modes
* Description is analogous to decode_pitch_lag_high, but in 6k60 relative
* index is used for all subframes except the first
* Decode an adaptive codebook index into pitch lag for 8k85 and 6k60 modes.
* The description is analogous to decode_pitch_lag_high, but in 6k60 the
* relative index is used for all subframes except the first.
*/
static void decode_pitch_lag_low(int *lag_int, int *lag_frac, int pitch_index,
uint8_t *base_lag_int, int subframe, enum Mode mode)
@ -298,7 +298,7 @@ static void decode_pitch_lag_low(int *lag_int, int *lag_frac, int pitch_index,
/**
* Find the pitch vector by interpolating the past excitation at the
* pitch delay, which is obtained in this function
* pitch delay, which is obtained in this function.
*
* @param[in,out] ctx The context
* @param[in] amr_subframe Current subframe data
@ -351,10 +351,10 @@ static void decode_pitch_vector(AMRWBContext *ctx,
/**
* The next six functions decode_[i]p_track decode exactly i pulses
* positions and amplitudes (-1 or 1) in a subframe track using
* an encoded pulse indexing (TS 26.190 section 5.8.2)
* an encoded pulse indexing (TS 26.190 section 5.8.2).
*
* The results are given in out[], in which a negative number means
* amplitude -1 and vice versa (i.e., ampl(x) = x / abs(x) )
* amplitude -1 and vice versa (i.e., ampl(x) = x / abs(x) ).
*
* @param[out] out Output buffer (writes i elements)
* @param[in] code Pulse index (no. of bits varies, see below)
@ -470,7 +470,7 @@ static void decode_6p_track(int *out, int code, int m, int off) ///code: 6m-2 bi
/**
* Decode the algebraic codebook index to pulse positions and signs,
* then construct the algebraic codebook vector
* then construct the algebraic codebook vector.
*
* @param[out] fixed_vector Buffer for the fixed codebook excitation
* @param[in] pulse_hi MSBs part of the pulse index array (higher modes only)
@ -541,7 +541,7 @@ static void decode_fixed_vector(float *fixed_vector, const uint16_t *pulse_hi,
}
/**
* Decode pitch gain and fixed gain correction factor
* Decode pitch gain and fixed gain correction factor.
*
* @param[in] vq_gain Vector-quantized index for gains
* @param[in] mode Mode of the current frame
@ -559,7 +559,7 @@ static void decode_gains(const uint8_t vq_gain, const enum Mode mode,
}
/**
* Apply pitch sharpening filters to the fixed codebook vector
* Apply pitch sharpening filters to the fixed codebook vector.
*
* @param[in] ctx The context
* @param[in,out] fixed_vector Fixed codebook excitation
@ -580,7 +580,7 @@ static void pitch_sharpening(AMRWBContext *ctx, float *fixed_vector)
}
/**
* Calculate the voicing factor (-1.0 = unvoiced to 1.0 = voiced)
* Calculate the voicing factor (-1.0 = unvoiced to 1.0 = voiced).
*
* @param[in] p_vector, f_vector Pitch and fixed excitation vectors
* @param[in] p_gain, f_gain Pitch and fixed gains
@ -599,8 +599,8 @@ static float voice_factor(float *p_vector, float p_gain,
}
/**
* Reduce fixed vector sparseness by smoothing with one of three IR filters
* Also known as "adaptive phase dispersion"
* Reduce fixed vector sparseness by smoothing with one of three IR filters,
* also known as "adaptive phase dispersion".
*
* @param[in] ctx The context
* @param[in,out] fixed_vector Unfiltered fixed vector
@ -670,7 +670,7 @@ static float *anti_sparseness(AMRWBContext *ctx,
/**
* Calculate a stability factor {teta} based on distance between
* current and past isf. A value of 1 shows maximum signal stability
* current and past isf. A value of 1 shows maximum signal stability.
*/
static float stability_factor(const float *isf, const float *isf_past)
{
@ -687,7 +687,7 @@ static float stability_factor(const float *isf, const float *isf_past)
/**
* Apply a non-linear fixed gain smoothing in order to reduce
* fluctuation in the energy of excitation
* fluctuation in the energy of excitation.
*
* @param[in] fixed_gain Unsmoothed fixed gain
* @param[in,out] prev_tr_gain Previous threshold gain (updated)
@ -718,7 +718,7 @@ static float noise_enhancer(float fixed_gain, float *prev_tr_gain,
}
/**
* Filter the fixed_vector to emphasize the higher frequencies
* Filter the fixed_vector to emphasize the higher frequencies.
*
* @param[in,out] fixed_vector Fixed codebook vector
* @param[in] voice_fac Frame voicing factor
@ -742,7 +742,7 @@ static void pitch_enhancer(float *fixed_vector, float voice_fac)
}
/**
* Conduct 16th order linear predictive coding synthesis from excitation
* Conduct 16th order linear predictive coding synthesis from excitation.
*
* @param[in] ctx Pointer to the AMRWBContext
* @param[in] lpc Pointer to the LPC coefficients
@ -802,7 +802,7 @@ static void de_emphasis(float *out, float *in, float m, float mem[1])
/**
* Upsample a signal by 5/4 ratio (from 12.8kHz to 16kHz) using
* a FIR interpolation filter. Uses past data from before *in address
* a FIR interpolation filter. Uses past data from before *in address.
*
* @param[out] out Buffer for interpolated signal
* @param[in] in Current signal data (length 0.8*o_size)
@ -832,7 +832,7 @@ static void upsample_5_4(float *out, const float *in, int o_size)
/**
* Calculate the high-band gain based on encoded index (23k85 mode) or
* on the low-band speech signal and the Voice Activity Detection flag
* on the low-band speech signal and the Voice Activity Detection flag.
*
* @param[in] ctx The context
* @param[in] synth LB speech synthesis at 12.8k
@ -857,7 +857,7 @@ static float find_hb_gain(AMRWBContext *ctx, const float *synth,
/**
* Generate the high-band excitation with the same energy from the lower
* one and scaled by the given gain
* one and scaled by the given gain.
*
* @param[in] ctx The context
* @param[out] hb_exc Buffer for the excitation
@ -880,7 +880,7 @@ static void scaled_hb_excitation(AMRWBContext *ctx, float *hb_exc,
}
/**
* Calculate the auto-correlation for the ISF difference vector
* Calculate the auto-correlation for the ISF difference vector.
*/
static float auto_correlation(float *diff_isf, float mean, int lag)
{
@ -896,7 +896,7 @@ static float auto_correlation(float *diff_isf, float mean, int lag)
/**
* Extrapolate a ISF vector to the 16kHz range (20th order LP)
* used at mode 6k60 LP filter for the high frequency band
* used at mode 6k60 LP filter for the high frequency band.
*
* @param[out] out Buffer for extrapolated isf
* @param[in] isf Input isf vector
@ -981,7 +981,7 @@ static void lpc_weighting(float *out, const float *lpc, float gamma, int size)
/**
* Conduct 20th order linear predictive coding synthesis for the high
* frequency band excitation at 16kHz
* frequency band excitation at 16kHz.
*
* @param[in] ctx The context
* @param[in] subframe Current subframe index (0 to 3)
@ -1019,8 +1019,8 @@ static void hb_synthesis(AMRWBContext *ctx, int subframe, float *samples,
}
/**
* Apply to high-band samples a 15th order filter
* The filter characteristic depends on the given coefficients
* Apply a 15th order filter to high-band samples.
* The filter characteristic depends on the given coefficients.
*
* @param[out] out Buffer for filtered output
* @param[in] fir_coef Filter coefficients
@ -1048,7 +1048,7 @@ static void hb_fir_filter(float *out, const float fir_coef[HB_FIR_SIZE + 1],
}
/**
* Update context state before the next subframe
* Update context state before the next subframe.
*/
static void update_sub_state(AMRWBContext *ctx)
{

10
libavcodec/avcodec.h
View File

@ -2591,7 +2591,7 @@ typedef struct AVCodecContext {
#if FF_API_X264_GLOBAL_OPTS
/**
* Influences how often B-frames are used.
* Influence how often B-frames are used.
* - encoding: Set by user.
* - decoding: unused
*/
@ -2672,7 +2672,7 @@ typedef struct AVCodecContext {
int mv0_threshold;
/**
* Adjusts sensitivity of b_frame_strategy 1.
* Adjust sensitivity of b_frame_strategy 1.
* - encoding: Set by user.
* - decoding: unused
*/
@ -2956,7 +2956,7 @@ typedef struct AVCodecContext {
#if FF_API_FLAC_GLOBAL_OPTS
/**
* Determines which LPC analysis algorithm to use.
* Determine which LPC analysis algorithm to use.
* - encoding: Set by user
* - decoding: unused
*/
@ -4121,7 +4121,7 @@ int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub,
AVPacket *avpkt);
/**
* Frees all allocated data in the given subtitle struct.
* Free all allocated data in the given subtitle struct.
*
* @param sub AVSubtitle to free.
*/
@ -4486,7 +4486,7 @@ int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width,
unsigned int av_xiphlacing(unsigned char *s, unsigned int v);
/**
* Logs a generic warning message about a missing feature. This function is
* Log a generic warning message about a missing feature. This function is
* intended to be used internally by Libav (libavcodec, libavformat, etc.)
* only, and would normally not be used by applications.
* @param[in] avc a pointer to an arbitrary struct of which the first field is

2
libavcodec/cavs_parser.c
View File

@ -30,7 +30,7 @@
/**
* finds the end of the current frame in the bitstream.
* Find the end of the current frame in the bitstream.
* @return the position of the first byte of the next frame, or -1
*/
static int cavs_find_frame_end(ParseContext *pc, const uint8_t *buf,

2
libavcodec/celp_math.h
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@ -64,7 +64,7 @@ static inline int bidir_sal(int value, int offset)
}
/**
* returns the dot product.
* Return the dot product.
* @param a input data array
* @param b input data array
* @param length number of elements

2
libavcodec/dca_parser.c
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@ -39,7 +39,7 @@ typedef struct DCAParseContext {
|| state == DCA_MARKER_RAW_LE || state == DCA_MARKER_RAW_BE)
/**
* finds the end of the current frame in the bitstream.
* Find the end of the current frame in the bitstream.
* @return the position of the first byte of the next frame, or -1
*/
static int dca_find_frame_end(DCAParseContext * pc1, const uint8_t * buf,

2
libavcodec/dsputil.c
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@ -1779,7 +1779,7 @@ static void add_8x8basis_c(int16_t rem[64], int16_t basis[64], int scale){
}
/**
* permutes an 8x8 block.
* Permute an 8x8 block.
* @param block the block which will be permuted according to the given permutation vector
* @param permutation the permutation vector
* @param last the last non zero coefficient in scantable order, used to speed the permutation up

4
libavcodec/error_resilience.c
View File

@ -80,7 +80,7 @@ static void set_mv_strides(MpegEncContext *s, int *mv_step, int *stride){
}
/**
* replaces the current MB with a flat dc only version.
* Replace the current MB with a flat dc-only version.
*/
static void put_dc(MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int mb_x, int mb_y)
{
@ -711,7 +711,7 @@ void ff_er_frame_start(MpegEncContext *s){
}
/**
* adds a slice.
* Add a slice.
* @param endx x component of the last macroblock, can be -1 for the last of the previous line
* @param status the status at the end (MV_END, AC_ERROR, ...), it is assumed that no earlier end or
* error of the same type occurred

19
libavcodec/get_bits.h
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@ -85,13 +85,13 @@ gb
getbitcontext
OPEN_READER(name, gb)
loads gb into local variables
load gb into local variables
CLOSE_READER(name, gb)
stores local vars in gb
store local vars in gb
UPDATE_CACHE(name, gb)
refills the internal cache from the bitstream
refill the internal cache from the bitstream
after this call at least MIN_CACHE_BITS will be available,
GET_CACHE(name, gb)
@ -282,7 +282,7 @@ static inline unsigned int get_bits(GetBitContext *s, int n){
}
/**
* Shows 1-25 bits.
* Show 1-25 bits.
*/
static inline unsigned int show_bits(GetBitContext *s, int n){
register int tmp;
@ -329,7 +329,7 @@ static inline void skip_bits1(GetBitContext *s){
}
/**
* reads 0-32 bits.
* Read 0-32 bits.
*/
static inline unsigned int get_bits_long(GetBitContext *s, int n){
if (n <= MIN_CACHE_BITS) return get_bits(s, n);
@ -345,14 +345,14 @@ static inline unsigned int get_bits_long(GetBitContext *s, int n){
}
/**
* reads 0-32 bits as a signed integer.
* Read 0-32 bits as a signed integer.
*/
static inline int get_sbits_long(GetBitContext *s, int n) {
return sign_extend(get_bits_long(s, n), n);
}
/**
* shows 0-32 bits.
* Show 0-32 bits.
*/
static inline unsigned int show_bits_long(GetBitContext *s, int n){
if (n <= MIN_CACHE_BITS) return show_bits(s, n);
@ -372,7 +372,7 @@ static inline int check_marker(GetBitContext *s, const char *msg)
}
/**
* init GetBitContext.
* Inititalize GetBitContext.
* @param buffer bitstream buffer, must be FF_INPUT_BUFFER_PADDING_SIZE bytes larger than the actual read bits
* because some optimized bitstream readers read 32 or 64 bit at once and could read over the end
* @param bit_size the size of the buffer in bits
@ -434,7 +434,6 @@ void free_vlc(VLC *vlc);
/**
*
* If the vlc code is invalid and max_depth=1, then no bits will be removed.
* If the vlc code is invalid and max_depth>1, then the number of bits removed
* is undefined.
@ -496,7 +495,7 @@ void free_vlc(VLC *vlc);
/**
* parses a vlc code, faster than get_vlc()
* Parse a vlc code, faster than get_vlc().
* @param bits is the number of bits which will be read at once, must be
* identical to nb_bits in init_vlc()
* @param max_depth is the number of times bits bits must be read to completely

10
libavcodec/h261dec.c
View File

@ -97,7 +97,7 @@ static av_cold int h261_decode_init(AVCodecContext *avctx){
}
/**
* decodes the group of blocks header or slice header.
* Decode the group of blocks header or slice header.
* @return <0 if an error occurred
*/
static int h261_decode_gob_header(H261Context *h){
@ -150,7 +150,7 @@ static int h261_decode_gob_header(H261Context *h){
}
/**
* decodes the group of blocks / video packet header.
* Decode the group of blocks / video packet header.
* @return <0 if no resync found
*/
static int ff_h261_resync(H261Context *h){
@ -191,7 +191,7 @@ static int ff_h261_resync(H261Context *h){
}
/**
* decodes skipped macroblocks
* Decode skipped macroblocks.
* @return 0
*/
static int h261_decode_mb_skipped(H261Context *h, int mba1, int mba2 )
@ -355,7 +355,7 @@ intra:
}
/**
* decodes a macroblock
* Decode a macroblock.
* @return <0 if an error occurred
*/
static int h261_decode_block(H261Context * h, DCTELEM * block,
@ -437,7 +437,7 @@ static int h261_decode_block(H261Context * h, DCTELEM * block,
}
/**
* decodes the H261 picture header.
* Decode the H.261 picture header.
* @return <0 if no startcode found
*/
static int h261_decode_picture_header(H261Context *h){

2
libavcodec/h261enc.c
View File

@ -251,7 +251,7 @@ void ff_h261_encode_init(MpegEncContext *s){
/**
* encodes a 8x8 block.
* Encode an 8x8 block.
* @param block the 8x8 block
* @param n block index (0-3 are luma, 4-5 are chroma)
*/

2
libavcodec/h263dec.c
View File

@ -127,7 +127,7 @@ av_cold int ff_h263_decode_end(AVCodecContext *avctx)
}
/**
* returns the number of bytes consumed for building the current frame
* Return the number of bytes consumed for building the current frame.
*/
static int get_consumed_bytes(MpegEncContext *s, int buf_size){
int pos= (get_bits_count(&s->gb)+7)>>3;

12
libavcodec/h264.c
View File

@ -62,7 +62,8 @@ static const enum PixelFormat hwaccel_pixfmt_list_h264_jpeg_420[] = {
};
/**
* checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
* Check if the top & left blocks are available if needed and
* change the dc mode so it only uses the available blocks.
*/
int ff_h264_check_intra4x4_pred_mode(H264Context *h){
MpegEncContext * const s = &h->s;
@ -101,7 +102,8 @@ int ff_h264_check_intra4x4_pred_mode(H264Context *h){
} //FIXME cleanup like ff_h264_check_intra_pred_mode
/**
* checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
* Check if the top & left blocks are available if needed and
* change the dc mode so it only uses the available blocks.
*/
int ff_h264_check_intra_pred_mode(H264Context *h, int mode){
MpegEncContext * const s = &h->s;
@ -2592,7 +2594,7 @@ static void clone_slice(H264Context *dst, H264Context *src)
}
/**
* computes profile from profile_idc and constraint_set?_flags
* Compute profile from profile_idc and constraint_set?_flags.
*
* @param sps SPS
*
@ -2619,7 +2621,7 @@ int ff_h264_get_profile(SPS *sps)
}
/**
* decodes a slice header.
* Decode a slice header.
* This will also call MPV_common_init() and frame_start() as needed.
*
* @param h h264context
@ -3982,7 +3984,7 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size){
}
/**
* returns the number of bytes consumed for building the current frame
* Return the number of bytes consumed for building the current frame.
*/
static int get_consumed_bytes(MpegEncContext *s, int pos, int buf_size){
if(pos==0) pos=1; //avoid infinite loops (i doubt that is needed but ...)

4
libavcodec/h264.h
View File

@ -762,14 +762,14 @@ static av_always_inline uint16_t pack8to16(int a, int b){
}
/**
* gets the chroma qp.
* Get the chroma qp.
*/
static av_always_inline int get_chroma_qp(H264Context *h, int t, int qscale){
return h->pps.chroma_qp_table[t][qscale];
}
/**
* gets the predicted intra4x4 prediction mode.
* Get the predicted intra4x4 prediction mode.
*/
static av_always_inline int pred_intra_mode(H264Context *h, int n){
const int index8= scan8[n];

2
libavcodec/h264_cabac.c
View File

@ -1862,7 +1862,7 @@ static av_always_inline void decode_cabac_luma_residual( H264Context *h, const u
}
/**
* decodes a macroblock
* Decode a macroblock.
* @return 0 if OK, AC_ERROR / DC_ERROR / MV_ERROR if an error is noticed
*/
int ff_h264_decode_mb_cabac(H264Context *h) {

4
libavcodec/h264_cavlc.c
View File

@ -281,7 +281,7 @@ static int8_t cavlc_level_tab[7][1<<LEVEL_TAB_BITS][2];
#define RUN7_VLC_BITS 6
/**
* gets the predicted number of non-zero coefficients.
* Get the predicted number of non-zero coefficients.
* @param n block index
*/
static inline int pred_non_zero_count(H264Context *h, int n){
@ -436,7 +436,7 @@ static inline int get_level_prefix(GetBitContext *gb){
}
/**
* decodes a residual block.
* Decode a residual block.
* @param n block index
* @param scantable scantable
* @param max_coeff number of coefficients in the block

6
libavcodec/h264_mvpred.h
View File

@ -86,7 +86,7 @@ static av_always_inline int fetch_diagonal_mv(H264Context *h, const int16_t **C,
}
/**
* gets the predicted MV.
* Get the predicted MV.
* @param n the block index
* @param part_width the width of the partition (4, 8,16) -> (1, 2, 4)
* @param mx the x component of the predicted motion vector
@ -142,7 +142,7 @@ static av_always_inline void pred_motion(H264Context * const h, int n, int part_
}
/**
* gets the directionally predicted 16x8 MV.
* Get the directionally predicted 16x8 MV.
* @param n the block index
* @param mx the x component of the predicted motion vector
* @param my the y component of the predicted motion vector
@ -177,7 +177,7 @@ static av_always_inline void pred_16x8_motion(H264Context * const h, int n, int
}
/**
* gets the directionally predicted 8x16 MV.
* Get the directionally predicted 8x16 MV.
* @param n the block index
* @param mx the x component of the predicted motion vector
* @param my the y component of the predicted motion vector

8
libavcodec/ituh263dec.c
View File

@ -148,7 +148,7 @@ int ff_h263_decode_mba(MpegEncContext *s)
}
/**
* decodes the group of blocks header or slice header.
* Decode the group of blocks header or slice header.
* @return <0 if an error occurred
*/
static int h263_decode_gob_header(MpegEncContext *s)
@ -203,7 +203,7 @@ static int h263_decode_gob_header(MpegEncContext *s)
}
/**
* finds the next resync_marker
* Find the next resync_marker.
* @param p pointer to buffer to scan
* @param end pointer to the end of the buffer
* @return pointer to the next resync_marker, or end if none was found
@ -224,7 +224,7 @@ const uint8_t *ff_h263_find_resync_marker(const uint8_t *restrict p, const uint8
}
/**
* decodes the group of blocks / video packet header.
* Decode the group of blocks / video packet header.
* @return bit position of the resync_marker, or <0 if none was found
*/
int ff_h263_resync(MpegEncContext *s){
@ -306,7 +306,7 @@ int h263_decode_motion(MpegEncContext * s, int pred, int f_code)
}
/* Decodes RVLC of H.263+ UMV */
/* Decode RVLC of H.263+ UMV */
static int h263p_decode_umotion(MpegEncContext * s, int pred)
{
int code = 0, sign;

2
libavcodec/ituh263enc.c
View File

@ -302,7 +302,7 @@ void ff_clean_h263_qscales(MpegEncContext *s){
static const int dquant_code[5]= {1,0,9,2,3};
/**
* encodes a 8x8 block.
* Encode an 8x8 block.
* @param block the 8x8 block
* @param n block index (0-3 are luma, 4-5 are chroma)
*/

2
libavcodec/latm_parser.c
View File

@ -36,7 +36,7 @@ typedef struct LATMParseContext{
} LATMParseContext;
/**
* finds the end of the current frame in the bitstream.
* Find the end of the current frame in the bitstream.
* @return the position of the first byte of the next frame, or -1
*/
static int latm_find_frame_end(AVCodecParserContext *s1, const uint8_t *buf,

2
libavcodec/mjpeg_parser.c
View File

@ -30,7 +30,7 @@
/**
* finds the end of the current frame in the bitstream.
* Find the end of the current frame in the bitstream.
* @return the position of the first byte of the next frame, or -1
*/
static int find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size){

7
libavcodec/mpeg12.c
View File

@ -1619,9 +1619,10 @@ static int mpeg_field_start(MpegEncContext *s, const uint8_t *buf, int buf_size)
#define DECODE_SLICE_OK 0
/**
* decodes a slice. MpegEncContext.mb_y must be set to the MB row from the startcode
* @return DECODE_SLICE_ERROR if the slice is damaged<br>
* DECODE_SLICE_OK if this slice is ok<br>
* Decode a slice.
* MpegEncContext.mb_y must be set to the MB row from the startcode.
* @return DECODE_SLICE_ERROR if the slice is damaged,
* DECODE_SLICE_OK if this slice is OK
*/
static int mpeg_decode_slice(MpegEncContext *s, int mb_y,
const uint8_t **buf, int buf_size)

2
libavcodec/mpeg4video.h
View File

@ -119,7 +119,7 @@ extern uint8_t ff_mpeg4_static_rl_table_store[3][2][2*MAX_RUN + MAX_LEVEL + 3];
/**
* predicts the dc.
* Predict the dc.
* encoding quantized level -> quantized diff
* decoding quantized diff -> quantized level
* @param n block index (0-3 are luma, 4-5 are chroma)

2
libavcodec/mpeg4video_parser.h
View File

@ -26,7 +26,7 @@
#include "parser.h"
/**
* finds the end of the current frame in the bitstream.
* Find the end of the current frame in the bitstream.
* @return the position of the first byte of the next frame, or -1
*/
int ff_mpeg4_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size);

18
libavcodec/mpeg4videodec.c
View File

@ -46,7 +46,7 @@ static const int mb_type_b_map[4]= {
};
/**
* predicts the ac.
* Predict the ac.
* @param n block index (0-3 are luma, 4-5 are chroma)
* @param dir the ac prediction direction
*/
@ -343,7 +343,7 @@ static void mpeg4_decode_sprite_trajectory(MpegEncContext * s, GetBitContext *gb
}
/**
* decodes the next video packet.
* Decode the next video packet.
* @return <0 if something went wrong
*/
int mpeg4_decode_video_packet_header(MpegEncContext *s)
@ -439,7 +439,7 @@ int mpeg4_decode_video_packet_header(MpegEncContext *s)
}
/**
* gets the average motion vector for a GMC MB.
* Get the average motion vector for a GMC MB.
* @param n either 0 for the x component or 1 for y
* @return the average MV for a GMC MB
*/
@ -485,7 +485,7 @@ static inline int get_amv(MpegEncContext *s, int n){
}
/**
* decodes the dc value.
* Decode the dc value.
* @param n block index (0-3 are luma, 4-5 are chroma)
* @param dir_ptr the prediction direction will be stored here
* @return the quantized dc
@ -532,7 +532,7 @@ static inline int mpeg4_decode_dc(MpegEncContext * s, int n, int *dir_ptr)
}
/**
* decodes first partition.
* Decode first partition.
* @return number of MBs decoded or <0 if an error occurred
*/
static int mpeg4_decode_partition_a(MpegEncContext *s){
@ -784,7 +784,7 @@ static int mpeg4_decode_partition_b(MpegEncContext *s, int mb_count){
}
/**
* decodes the first & second partition
* Decode the first and second partition.
* @return <0 if error (and sets error type in the error_status_table)
*/
int ff_mpeg4_decode_partitions(MpegEncContext *s)
@ -837,7 +837,7 @@ int ff_mpeg4_decode_partitions(MpegEncContext *s)
}
/**
* decodes a block.
* Decode a block.
* @return <0 if an error occurred
*/
static inline int mpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
@ -1824,7 +1824,7 @@ no_cplx_est:
}
/**
* decodes the user data stuff in the header.
* Decode the user data stuff in the header.
* Also initializes divx/xvid/lavc_version/build.
*/
static int decode_user_data(MpegEncContext *s, GetBitContext *gb){
@ -2094,7 +2094,7 @@ static int decode_vop_header(MpegEncContext *s, GetBitContext *gb){
}
/**
* decode mpeg4 headers
* Decode mpeg4 headers.
* @return <0 if no VOP found (or a damaged one)
* FRAME_SKIPPED if a not coded VOP is found
* 0 if a VOP is found

4
libavcodec/mpeg4videoenc.c
View File

@ -238,7 +238,7 @@ void ff_clean_mpeg4_qscales(MpegEncContext *s){
/**
* encodes the dc value.
* Encode the dc value.
* @param n block index (0-3 are luma, 4-5 are chroma)
*/
static inline void mpeg4_encode_dc(PutBitContext * s, int level, int n)
@ -291,7 +291,7 @@ static inline int mpeg4_get_dc_length(int level, int n){
}
/**
* encodes a 8x8 block
* Encode an 8x8 block.
* @param n block index (0-3 are luma, 4-5 are chroma)
*/
static inline void mpeg4_encode_block(MpegEncContext * s, DCTELEM * block, int n, int intra_dc,

19
libavcodec/mpegvideo.c
View File

@ -289,7 +289,7 @@ static int alloc_frame_buffer(MpegEncContext *s, Picture *pic)
}
/**
* allocates a Picture
* Allocate a Picture.
* The pixels are allocated/set by calling get_buffer() if shared = 0
*/
int ff_alloc_picture(MpegEncContext *s, Picture *pic, int shared)
@ -388,7 +388,7 @@ fail: // for the FF_ALLOCZ_OR_GOTO macro
}
/**
* deallocates a picture
* Deallocate a picture.
*/
static void free_picture(MpegEncContext *s, Picture *pic)
{
@ -624,9 +624,9 @@ int ff_mpeg_update_thread_context(AVCodecContext *dst,
}
/**
* sets the given MpegEncContext to common defaults
* Set the given MpegEncContext to common defaults
* (same for encoding and decoding).
* the changed fields will not depend upon the
* The changed fields will not depend upon the
* prior state of the MpegEncContext.
*/
void MPV_common_defaults(MpegEncContext *s)
@ -652,7 +652,7 @@ void MPV_common_defaults(MpegEncContext *s)
}
/**
* sets the given MpegEncContext to defaults for decoding.
* Set the given MpegEncContext to defaults for decoding.
* the changed fields will not depend upon
* the prior state of the MpegEncContext.
*/
@ -1400,7 +1400,7 @@ void MPV_frame_end(MpegEncContext *s)
}
/**
* draws an line from (ex, ey) -> (sx, sy).
* Draw a line from (ex, ey) -> (sx, sy).
* @param w width of the image
* @param h height of the image
* @param stride stride/linesize of the image
@ -1449,7 +1449,7 @@ static void draw_line(uint8_t *buf, int sx, int sy, int ex, int ey, int w, int h
}
/**
* draws an arrow from (ex, ey) -> (sx, sy).
* Draw an arrow from (ex, ey) -> (sx, sy).
* @param w width of the image
* @param h height of the image
* @param stride stride/linesize of the image
@ -1482,7 +1482,7 @@ static void draw_arrow(uint8_t *buf, int sx, int sy, int ex, int ey, int w, int
}
/**
* prints debuging info for the given picture.
* Print debuging info for the given picture.
*/
void ff_print_debug_info(MpegEncContext *s, AVFrame *pict){
@ -2127,7 +2127,7 @@ static inline void add_dequant_dct(MpegEncContext *s,
}
/**
* cleans dc, ac, coded_block for the current non intra MB
* Clean dc, ac, coded_block for the current non-intra MB.
*/
void ff_clean_intra_table_entries(MpegEncContext *s)
{
@ -2432,7 +2432,6 @@ void MPV_decode_mb(MpegEncContext *s, DCTELEM block[12][64]){
}
/**
*
* @param h is the normal height, this will be reduced automatically if needed for the last row
*/
void ff_draw_horiz_band(MpegEncContext *s, int y, int h){

4
libavcodec/mpegvideo.h
View File

@ -728,8 +728,8 @@ void ff_init_block_index(MpegEncContext *s);
void ff_copy_picture(Picture *dst, Picture *src);
/**
* allocates a Picture
* The pixels are allocated/set by calling get_buffer() if shared=0
* Allocate a Picture.
* The pixels are allocated/set by calling get_buffer() if shared = 0.
*/
int ff_alloc_picture(MpegEncContext *s, Picture *pic, int shared);

8
libavcodec/mpegvideo_common.h
View File

@ -42,14 +42,14 @@
int dct_quantize_c(MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow);
/**
* allocates a Picture
* The pixels are allocated/set by calling get_buffer() if shared=0
* Allocate a Picture.
* The pixels are allocated/set by calling get_buffer() if shared = 0.
*/
int alloc_picture(MpegEncContext *s, Picture *pic, int shared);
/**
* sets the given MpegEncContext to common defaults (same for encoding and decoding).
* the changed fields will not depend upon the prior state of the MpegEncContext.
* Set the given MpegEncContext to common defaults (same for encoding and decoding).
* The changed fields will not depend upon the prior state of the MpegEncContext.
*/
void MPV_common_defaults(MpegEncContext *s);

2
libavcodec/mpegvideo_enc.c
View File

@ -227,7 +227,7 @@ static void update_duplicate_context_after_me(MpegEncContext *dst, MpegEncContex
}
/**
* sets the given MpegEncContext to defaults for encoding.
* Set the given MpegEncContext to defaults for encoding.
* the changed fields will not depend upon the prior state of the MpegEncContext.
*/
static void MPV_encode_defaults(MpegEncContext *s){

2
libavcodec/parser.c
View File

@ -216,7 +216,7 @@ void av_parser_close(AVCodecParserContext *s)
/*****************************************************/
/**
* combines the (truncated) bitstream to a complete frame
* Combine the (truncated) bitstream to a complete frame.
* @return -1 if no complete frame could be created, AVERROR(ENOMEM) if there was a memory allocation error
*/
int ff_combine_frame(ParseContext *pc, int next, const uint8_t **buf, int *buf_size)

2
libavcodec/pthread.c
View File

@ -322,7 +322,7 @@ static attribute_align_arg void *frame_worker_thread(void *arg)
}
/**
* Updates the next thread's AVCodecContext with values from the reference thread's context.
* Update the next thread's AVCodecContext with values from the reference thread's context.
*
* @param dst The destination context.
* @param src The source context.

4
libavcodec/ratecontrol.c
View File

@ -300,7 +300,7 @@ int ff_vbv_update(MpegEncContext *s, int frame_size){
}
/**
* modifies the bitrate curve from pass1 for one frame
* Modify the bitrate curve from pass1 for one frame.
*/
static double get_qscale(MpegEncContext *s, RateControlEntry *rce, double rate_factor, int frame_num){
RateControlContext *rcc= &s->rc_context;
@ -404,7 +404,7 @@ static double get_diff_limited_q(MpegEncContext *s, RateControlEntry *rce, doubl
}
/**
* gets the qmin & qmax for pict_type
* Get the qmin & qmax for pict_type.
*/
static void get_qminmax(int *qmin_ret, int *qmax_ret, MpegEncContext *s, int pict_type){
int qmin= s->avctx->lmin;

2
libavcodec/resample2.c
View File

@ -90,7 +90,7 @@ static double bessel(double x){
}
/**
* builds a polyphase filterbank.
* Build a polyphase filterbank.
* @param factor resampling factor
* @param scale wanted sum of coefficients for each filter
* @param type 0->cubic, 1->blackman nuttall windowed sinc, 2..16->kaiser windowed sinc beta=2..16

11
libavcodec/thread.h
View File

@ -31,15 +31,15 @@
#include "avcodec.h"
/**
* Waits for decoding threads to finish and resets internal
* state. Called by avcodec_flush_buffers().
* Wait for decoding threads to finish and reset internal state.
* Called by avcodec_flush_buffers().
*
* @param avctx The context.
*/
void ff_thread_flush(AVCodecContext *avctx);
/**
* Submits a new frame to a decoding thread.
* Submit a new frame to a decoding thread.
* Returns the next available frame in picture. *got_picture_ptr
* will be 0 if none is available.
* The return value on success is the size of the consumed packet for
@ -62,8 +62,7 @@ int ff_thread_decode_frame(AVCodecContext *avctx, AVFrame *picture,
void ff_thread_finish_setup(AVCodecContext *avctx);
/**
* Notifies later decoding threads when part of their reference picture
* is ready.
* Notify later decoding threads when part of their reference picture is ready.
* Call this when some part of the picture is finished decoding.
* Later calls with lower values of progress have no effect.
*
@ -75,7 +74,7 @@ void ff_thread_finish_setup(AVCodecContext *avctx);
void ff_thread_report_progress(AVFrame *f, int progress, int field);
/**
* Waits for earlier decoding threads to finish reference pictures
* Wait for earlier decoding threads to finish reference pictures.
* Call this before accessing some part of a picture, with a given
* value for progress, and it will return after the responsible decoding
* thread calls ff_thread_report_progress() with the same or

2
libavcodec/vc1_parser.c
View File

@ -96,7 +96,7 @@ static void vc1_extract_headers(AVCodecParserContext *s, AVCodecContext *avctx,
}
/**
* finds the end of the current frame in the bitstream.
* Find the end of the current frame in the bitstream.
* @return the position of the first byte of the next frame, or -1
*/
static int vc1_find_frame_end(ParseContext *pc, const uint8_t *buf,

2
libavfilter/avfilter.h
View File

@ -708,7 +708,7 @@ int avfilter_request_frame(AVFilterLink *link);
int avfilter_poll_frame(AVFilterLink *link);
/**
* Notifie the next filter of the start of a frame.
* Notify the next filter of the start of a frame.
*
* @param link the output link the frame will be sent over
* @param picref A reference to the frame about to be sent. The data for this

2
libavformat/avformat.h
View File

@ -516,7 +516,7 @@ typedef struct AVInputFormat {
int stream_index, int64_t timestamp, int flags);
#endif
/**
* Gets the next timestamp in stream[stream_index].time_base units.
* Get the next timestamp in stream[stream_index].time_base units.
* @return the timestamp or AV_NOPTS_VALUE if an error occurred
*/
int64_t (*read_timestamp)(struct AVFormatContext *s, int stream_index,

8
libavformat/rtpdec_qdm2.c
View File

@ -52,8 +52,8 @@ struct PayloadContext {
};
/**
* Parses configuration (basically the codec-specific extradata) from
* a RTP config subpacket (starts with 0xff).
* Parse configuration (basically the codec-specific extradata) from
* an RTP config subpacket (starts with 0xff).
*
* Layout of the config subpacket (in bytes):
* 1: 0xFF <- config ID
@ -128,7 +128,7 @@ static int qdm2_parse_config(PayloadContext *qdm, AVStream *st,
}
/**
* Parses a single subpacket. We store this subpacket in an intermediate
* Parse a single subpacket. We store this subpacket in an intermediate
* buffer (position depends on the ID (byte[0]). When called, at least
* 4 bytes are available for reading (see qdm2_parse_packet()).
*
@ -179,7 +179,7 @@ static int qdm2_parse_subpacket(PayloadContext *qdm, AVStream *st,
}
/**
* Adds a superblock header around a set of subpackets.
* Add a superblock header around a set of subpackets.
*
* @return <0 on error, else 0.
*/

4
libavformat/rtsp.h
View File

@ -186,7 +186,7 @@ enum RTSPClientState {
};
/**
* Identifies particular servers that require special handling, such as
* Identify particular servers that require special handling, such as
* standards-incompliant "Transport:" lines in the SETUP request.
*/
enum RTSPServerType {
@ -366,7 +366,7 @@ typedef struct RTSPState {
source address and port. */
/**
* Describes a single stream, as identified by a single m= line block in the
* Describe a single stream, as identified by a single m= line block in the
* SDP content. In the case of RDT, one RTSPStream can represent multiple
* AVStreams. In this case, each AVStream in this set has similar content
* (but different codec/bitrate).

2
libavformat/vorbiscomment.h
View File

@ -39,7 +39,7 @@ int ff_vorbiscomment_length(AVDictionary *m, const char *vendor_string,
unsigned *count);
/**
* Writes a VorbisComment into a buffer. The buffer, p, must have enough
* Write a VorbisComment into a buffer. The buffer, p, must have enough
* data to hold the whole VorbisComment. The minimum size required can be
* obtained by passing the same AVDictionary and vendor_string to
* ff_vorbiscomment_length()

8
libavutil/avstring.h
View File

@ -137,7 +137,7 @@ char *av_d2str(double d);
char *av_get_token(const char **buf, const char *term);
/**
* Locale independent conversion of ASCII characters to upper case.
* Locale-independent conversion of ASCII characters to uppercase.
*/
static inline int av_toupper(int c)
{
@ -147,7 +147,7 @@ static inline int av_toupper(int c)
}
/**
* Locale independent conversion of ASCII characters to lower case.
* Locale-independent conversion of ASCII characters to lowercase.
*/
static inline int av_tolower(int c)
{
@ -157,13 +157,13 @@ static inline int av_tolower(int c)
}
/*
* Locale independent case-insensitive compare.
* Locale-independent case-insensitive compare.
* @note This means only ASCII-range characters are case-insensitive
*/
int av_strcasecmp(const char *a, const char *b);
/**
* Locale independent case-insensitive compare.
* Locale-independent case-insensitive compare.
* @note This means only ASCII-range characters are case-insensitive
*/
int av_strncasecmp(const char *a, const char *b, size_t n);

2
libavutil/internal.h
View File

@ -221,7 +221,7 @@ struct AVDictionary {
#endif
/**
* Returns NULL if a threading library has not been enabled.
* Return NULL if a threading library has not been enabled.
* Used to disable threading functions in AVCodec definitions
* when not needed.
*/

2
libavutil/parseutils.h
View File

@ -75,7 +75,7 @@ int av_parse_color(uint8_t *rgba_color, const char *color_string, int slen,
void *log_ctx);
/**
* Parses timestr and returns in *time a corresponding number of
* Parse timestr and return in *time a corresponding number of
* microseconds.
*
* @param timeval puts here the number of microseconds corresponding

7
libpostproc/postprocess.h
View File

@ -77,9 +77,10 @@ void pp_postprocess(const uint8_t * src[3], const int srcStride[3],
/**
* returns a pp_mode or NULL if an error occurred
* name is the string after "-pp" on the command line
* quality is a number from 0 to PP_QUALITY_MAX
* Return a pp_mode or NULL if an error occurred.
*
* @param name the string after "-pp" on the command line
* @param quality a number from 0 to PP_QUALITY_MAX
*/
pp_mode *pp_get_mode_by_name_and_quality(const char *name, int quality);
void pp_free_mode(pp_mode *mode);

4
libpostproc/postprocess_template.c
View File

@ -1912,7 +1912,7 @@ MEDIAN((%%REGd, %1), (%%REGd, %1, 2), (%0, %1, 8))
#if HAVE_MMX
/**
* transposes and shift the given 8x8 Block into dst1 and dst2
* Transpose and shift the given 8x8 Block into dst1 and dst2.
*/
static inline void RENAME(transpose1)(uint8_t *dst1, uint8_t *dst2, uint8_t *src, int srcStride)
{
@ -1997,7 +1997,7 @@ static inline void RENAME(transpose1)(uint8_t *dst1, uint8_t *dst2, uint8_t *src
}
/**
* transposes the given 8x8 block
* Transpose the given 8x8 block.
*/
static inline void RENAME(transpose2)(uint8_t *dst, int dstStride, uint8_t *src)
{

47
libswscale/swscale.h
View File

@ -57,17 +57,17 @@
#endif
/**
* Returns the LIBSWSCALE_VERSION_INT constant.
* Return the LIBSWSCALE_VERSION_INT constant.
*/
unsigned swscale_version(void);
/**
* Returns the libswscale build-time configuration.
* Return the libswscale build-time configuration.
*/
const char *swscale_configuration(void);
/**
* Returns the libswscale license.
* Return the libswscale license.
*/
const char *swscale_license(void);
@ -124,7 +124,7 @@ const char *swscale_license(void);
#define SWS_CS_DEFAULT 5
/**
* Returns a pointer to yuv<->rgb coefficients for the given colorspace
* Return a pointer to yuv<->rgb coefficients for the given colorspace
* suitable for sws_setColorspaceDetails().
*
* @param colorspace One of the SWS_CS_* macros. If invalid,
@ -151,26 +151,26 @@ typedef struct {
struct SwsContext;
/**
* Returns a positive value if pix_fmt is a supported input format, 0
* Return a positive value if pix_fmt is a supported input format, 0
* otherwise.
*/
int sws_isSupportedInput(enum PixelFormat pix_fmt);
/**
* Returns a positive value if pix_fmt is a supported output format, 0
* Return a positive value if pix_fmt is a supported output format, 0
* otherwise.
*/
int sws_isSupportedOutput(enum PixelFormat pix_fmt);
/**
* Allocates an empty SwsContext. This must be filled and passed to
* Allocate an empty SwsContext. This must be filled and passed to
* sws_init_context(). For filling see AVOptions, options.c and
* sws_setColorspaceDetails().
*/
struct SwsContext *sws_alloc_context(void);
/**
* Initializes the swscaler context sws_context.
* Initialize the swscaler context sws_context.
*
* @return zero or positive value on success, a negative value on
* error
@ -178,14 +178,14 @@ struct SwsContext *sws_alloc_context(void);
int sws_init_context(struct SwsContext *sws_context, SwsFilter *srcFilter, SwsFilter *dstFilter);
/**
* Frees the swscaler context swsContext.
* Free the swscaler context swsContext.
* If swsContext is NULL, then does nothing.
*/
void sws_freeContext(struct SwsContext *swsContext);
#if FF_API_SWS_GETCONTEXT
/**
* Allocates and returns a SwsContext. You need it to perform
* Allocate and return an SwsContext. You need it to perform
* scaling/conversion operations using sws_scale().
*
* @param srcW the width of the source image
@ -207,7 +207,7 @@ struct SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat
#endif
/**
* Scales the image slice in srcSlice and puts the resulting scaled
* Scale the image slice in srcSlice and put the resulting scaled
* slice in the image in dst. A slice is a sequence of consecutive
* rows in an image.
*
@ -252,35 +252,35 @@ int sws_getColorspaceDetails(struct SwsContext *c, int **inv_table,
int *brightness, int *contrast, int *saturation);
/**
* Allocates and returns an uninitialized vector with length coefficients.
* Allocate and return an uninitialized vector with length coefficients.
*/
SwsVector *sws_allocVec(int length);
/**
* Returns a normalized Gaussian curve used to filter stuff
* quality=3 is high quality, lower is lower quality.
* Return a normalized Gaussian curve used to filter stuff
* quality = 3 is high quality, lower is lower quality.
*/
SwsVector *sws_getGaussianVec(double variance, double quality);
/**
* Allocates and returns a vector with length coefficients, all
* Allocate and return a vector with length coefficients, all
* with the same value c.
*/
SwsVector *sws_getConstVec(double c, int length);
/**
* Allocates and returns a vector with just one coefficient, with
* Allocate and return a vector with just one coefficient, with
* value 1.0.
*/
SwsVector *sws_getIdentityVec(void);
/**
* Scales all the coefficients of a by the scalar value.
* Scale all the coefficients of a by the scalar value.
*/
void sws_scaleVec(SwsVector *a, double scalar);
/**
* Scales all the coefficients of a so that their sum equals height.
* Scale all the coefficients of a so that their sum equals height.
*/
void sws_normalizeVec(SwsVector *a, double height);
void sws_convVec(SwsVector *a, SwsVector *b);
@ -289,13 +289,13 @@ void sws_subVec(SwsVector *a, SwsVector *b);
void sws_shiftVec(SwsVector *a, int shift);
/**
* Allocates and returns a clone of the vector a, that is a vector
* Allocate and return a clone of the vector a, that is a vector
* with the same coefficients as a.
*/
SwsVector *sws_cloneVec(SwsVector *a);
/**
* Prints with av_log() a textual representation of the vector a
* Print with av_log() a textual representation of the vector a
* if log_level <= av_log_level.
*/
void sws_printVec2(SwsVector *a, AVClass *log_ctx, int log_level);
@ -309,8 +309,7 @@ SwsFilter *sws_getDefaultFilter(float lumaGBlur, float chromaGBlur,
void sws_freeFilter(SwsFilter *filter);
/**
* Checks if context can be reused, otherwise reallocates a new
* one.
* Check if context can be reused, otherwise reallocate a new one.
*
* If context is NULL, just calls sws_getContext() to get a new
* context. Otherwise, checks if the parameters are the ones already
@ -328,7 +327,7 @@ struct SwsContext *sws_getCachedContext(struct SwsContext *context,
SwsFilter *dstFilter, const double *param);
/**
* Converts an 8bit paletted frame into a frame with a color depth of 32-bits.
* Convert an 8-bit paletted frame into a frame with a color depth of 32 bits.
*
* The output frame will have the same packed format as the palette.
*
@ -340,7 +339,7 @@ struct SwsContext *sws_getCachedContext(struct SwsContext *context,
void sws_convertPalette8ToPacked32(const uint8_t *src, uint8_t *dst, int num_pixels, const uint8_t *palette);
/**
* Converts an 8bit paletted frame into a frame with a color depth of 24 bits.
* Convert an 8-bit paletted frame into a frame with a color depth of 24 bits.
*
* With the palette format "ABCD", the destination frame ends up with the format "ABC".
*

4
libswscale/swscale_internal.h
View File

@ -625,7 +625,7 @@ extern const uint64_t ff_dither8[2];
extern const AVClass sws_context_class;
/**
* Sets c->swScale to an unscaled converter if one exists for the specific
* Set c->swScale to an unscaled converter if one exists for the specific
* source and destination formats, bit depths, flags, etc.
*/
void ff_get_unscaled_swscale(SwsContext *c);
@ -633,7 +633,7 @@ void ff_get_unscaled_swscale(SwsContext *c);
void ff_swscale_get_unscaled_altivec(SwsContext *c);
/**
* Returns function pointer to fastest main scaler path function depending
* Return function pointer to fastest main scaler path function depending
* on architecture and available optimizations.
*/
SwsFunc ff_getSwsFunc(SwsContext *c);

4
tests/audiogen.c
View File

@ -1,6 +1,6 @@
/*
* Generates a synthetic stereo sound
* NOTE: No floats are used to guarantee a bit exact output.
* Generate a synthetic stereo sound.
* NOTE: No floats are used to guarantee bitexact output.
*
* Copyright (c) 2002 Fabrice Bellard
*

2
tests/rotozoom.c
View File

@ -1,5 +1,5 @@
/*
* Generates a synthetic YUV video sequence suitable for codec testing.
* Generate a synthetic YUV video sequence suitable for codec testing.
*
* copyright (c) Sebastien Bechet <s.bechet@av7.net>
*

4
tests/videogen.c
View File

@ -1,6 +1,6 @@
/*
* Generates a synthetic YUV video sequence suitable for codec testing.
* NOTE: No floats are used to guarantee a bit exact output.
* Generate a synthetic YUV video sequence suitable for codec testing.
* NOTE: No floats are used to guarantee bitexact output.
*
* Copyright (c) 2002 Fabrice Bellard
*