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https://github.com/FFmpeg/FFmpeg.git
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Fix a bunch of spelling/grammar mistakes in doxygen comments and output.
Originally committed as revision 4855 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Diego Biurrun
parent
a9318df2f8
commit
1c7a8c17ff
@ -25,8 +25,8 @@
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* @file qdm2.c
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* QDM2 decoder
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* @author Ewald Snel, Benjamin Larsson, Alex Beregszaszi, Roberto Togni
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* The decoder is not perfect yet, there are still some distorions expecially
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* on files encoded with 16 or 8 subbands
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* The decoder is not perfect yet, there are still some distortions
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* especially on files encoded with 16 or 8 subbands.
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*/
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#include <math.h>
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@ -94,7 +94,7 @@ typedef struct {
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} QDM2SubPacket;
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/**
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* A node in subpacket list
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* A node in the subpacket list
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*/
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typedef struct _QDM2SubPNode {
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QDM2SubPacket *packet; ///< packet
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@ -196,12 +196,12 @@ typedef struct {
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int8_t tone_level_idx_temp[MPA_MAX_CHANNELS][30][64];
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// Flags
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int has_errors; ///< packet have errors
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int has_errors; ///< packet has errors
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int superblocktype_2_3; ///< select fft tables and some algorithm based on superblock type
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int do_synth_filter; ///< used to perform or skip synthesis filter
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int sub_packet;
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int noise_idx; ///< Index for dithering noise table
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int noise_idx; ///< index for dithering noise table
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} QDM2Context;
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@ -401,7 +401,7 @@ static int qdm2_get_se_vlc (VLC *vlc, GetBitContext *gb, int depth)
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* @param length data length
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* @param value checksum value
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*
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* @return 0 if checksum is ok
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* @return 0 if checksum is OK
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*/
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static uint16_t qdm2_packet_checksum (uint8_t *data, int length, int value) {
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int i;
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@ -414,7 +414,7 @@ static uint16_t qdm2_packet_checksum (uint8_t *data, int length, int value) {
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/**
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* Fills a QDM2SubPacket structure with packet type, size, and data pointer
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* Fills a QDM2SubPacket structure with packet type, size, and data pointer.
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*
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* @param gb bitreader context
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* @param sub_packet packet under analysis
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@ -441,15 +441,15 @@ static void qdm2_decode_sub_packet_header (GetBitContext *gb, QDM2SubPacket *sub
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sub_packet->data = &gb->buffer[get_bits_count(gb) / 8]; // FIXME: this depends on bitreader internal data
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}
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av_log(NULL,AV_LOG_DEBUG,"Sub packet: type=%d size=%d start_offs=%x\n",
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av_log(NULL,AV_LOG_DEBUG,"Subpacket: type=%d size=%d start_offs=%x\n",
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sub_packet->type, sub_packet->size, get_bits_count(gb) / 8);
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}
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/**
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* Return node pointer to first packet of requested type in list
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* Return node pointer to first packet of requested type in list.
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*
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* @param list list of subpacket to be scanned
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* @param list list of subpackets to be scanned
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* @param type type of searched subpacket
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* @return node pointer for subpacket if found, else NULL
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*/
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@ -465,8 +465,8 @@ static QDM2SubPNode* qdm2_search_subpacket_type_in_list (QDM2SubPNode *list, int
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/**
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* Replaces 8 elements with their average value
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* Called by qdm2_decode_superblock before starting subblocks decoding
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* Replaces 8 elements with their average value.
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* Called by qdm2_decode_superblock before starting subblock decoding.
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*
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* @param q context
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*/
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@ -494,8 +494,8 @@ static void average_quantized_coeffs (QDM2Context *q)
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/**
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* Build subband samples with noise weighted by q->tone_level
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* Called by synthfilt_build_sb_samples
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* Build subband samples with noise weighted by q->tone_level.
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* Called by synthfilt_build_sb_samples.
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*
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* @param q context
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* @param sb subband index
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@ -518,8 +518,8 @@ static void build_sb_samples_from_noise (QDM2Context *q, int sb)
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/**
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* Called while processing data from subpackets 11 and 12
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* Used after making changes to coding_method array
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* Called while processing data from subpackets 11 and 12.
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* Used after making changes to coding_method array.
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*
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* @param sb subband index
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* @param channels number of channels
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@ -790,7 +790,7 @@ static void fill_coding_method_array (sb_int8_array tone_level_idx, sb_int8_arra
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*
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* @param q context
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* @param gb bitreader context
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* @param length packet length in bit
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* @param length packet length in bits
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* @param sb_min lower subband processed (sb_min included)
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* @param sb_max higher subband processed (sb_max excluded)
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*/
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@ -968,14 +968,14 @@ static void synthfilt_build_sb_samples (QDM2Context *q, GetBitContext *gb, int l
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/**
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* Init the first element of a channel in quantized_coeffs with data from packet 10 (quantized_coeffs[ch][0])
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* Init the first element of a channel in quantized_coeffs with data from packet 10 (quantized_coeffs[ch][0]).
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* This is similar to process_subpacket_9, but for a single channel and for element [0]
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* same VLC tables as process_subpacket_9 are used
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* same VLC tables as process_subpacket_9 are used.
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*
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* @param q context
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* @param quantized_coeffs pointer to quantized_coeffs[ch][0]
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* @param gb bitreader context
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* @param length packet length in bit
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* @param length packet length in bits
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*/
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static void init_quantized_coeffs_elem0 (int8_t *quantized_coeffs, GetBitContext *gb, int length)
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{
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@ -1012,7 +1012,7 @@ static void init_quantized_coeffs_elem0 (int8_t *quantized_coeffs, GetBitContext
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*
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* @param q context
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* @param gb bitreader context
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* @param length packet length in bit
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* @param length packet length in bits
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*/
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static void init_tone_level_dequantization (QDM2Context *q, GetBitContext *gb, int length)
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{
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@ -1114,7 +1114,7 @@ static void process_subpacket_9 (QDM2Context *q, QDM2SubPNode *node)
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*
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* @param q context
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* @param node pointer to node with packet
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* @param length packet length in bit
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* @param length packet length in bits
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*/
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static void process_subpacket_10 (QDM2Context *q, QDM2SubPNode *node, int length)
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{
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@ -1160,7 +1160,7 @@ static void process_subpacket_11 (QDM2Context *q, QDM2SubPNode *node, int length
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*
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* @param q context
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* @param node pointer to node with packet
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* @param length packet length in bit
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* @param length packet length in bits
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*/
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static void process_subpacket_12 (QDM2Context *q, QDM2SubPNode *node, int length)
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{
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@ -1205,7 +1205,7 @@ static void process_synthesis_subpackets (QDM2Context *q, QDM2SubPNode *list)
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/*
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* Decode superblock, fill packet lists
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* Decode superblock, fill packet lists.
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*
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* @param q context
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*/
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@ -1274,7 +1274,7 @@ static void qdm2_decode_super_block (QDM2Context *q)
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break;
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}
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/* decode sub packet */
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/* decode subpacket */
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packet = &q->sub_packets[i];
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qdm2_decode_sub_packet_header(&gb, packet);
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next_index = packet->size + get_bits_count(&gb) / 8;
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@ -1291,10 +1291,10 @@ static void qdm2_decode_super_block (QDM2Context *q)
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packet_bytes -= sub_packet_size;
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/* add sub packet to 'all sub packets' list */
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/* add subpacket to 'all subpackets' list */
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q->sub_packet_list_A[i].packet = packet;
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/* add sub packet to related list */
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/* add subpacket to related list */
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if (packet->type == 8) {
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SAMPLES_NEEDED_2("packet type 8");
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return;
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@ -1435,11 +1435,11 @@ static void qdm2_decode_fft_packets (QDM2Context *q)
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for (i=0; i < 5; i++)
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q->fft_coefs_min_index[i] = -1;
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/* process sub packets ordered by type, largest type first */
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/* process subpackets ordered by type, largest type first */
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for (i = 0, max = 256; i < q->sub_packets_B; i++) {
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QDM2SubPacket *packet;
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/* find sub packet with largest type less than max */
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/* find subpacket with largest type less than max */
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for (j = 0, min = 0, packet = NULL; j < q->sub_packets_B; j++) {
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value = q->sub_packet_list_B[j].packet->type;
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if (value > min && value < max) {
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@ -1619,7 +1619,7 @@ static void qdm2_calculate_fft (QDM2Context *q, int channel, int sub_packet)
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float c, s, f0, f1, f2, f3;
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int i, j;
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/* pre rotation (or something like that) */
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/* prerotation (or something like that) */
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for (i=1; i < n2; i++) {
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j = (n - i);
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c = q->exptab[i].re;
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@ -1960,11 +1960,11 @@ void qdm2_decode (QDM2Context *q, uint8_t *in, int16_t *out)
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/* decode block of QDM2 compressed data */
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if (q->sub_packet == 0) {
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q->has_errors = 0; // zero it for a new super block
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av_log(NULL,AV_LOG_DEBUG,"Super block follows\n");
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av_log(NULL,AV_LOG_DEBUG,"Superblock follows\n");
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qdm2_decode_super_block(q);
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}
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/* parse sub packets */
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/* parse subpackets */
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if (!q->has_errors) {
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if (q->sub_packet == 2)
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qdm2_decode_fft_packets(q);
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