mirror of
https://github.com/asterisk/asterisk.git
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formatting and doxygen fixes (issue #6300)
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@8360 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
@@ -102,8 +102,7 @@ struct adpcm_state {
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* Sets the index to the step size table for the next encode.
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*/
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static inline short
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decode(int encoded, struct adpcm_state* state)
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static inline short decode(int encoded, struct adpcm_state *state)
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{
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int diff;
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int step;
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@@ -117,9 +116,12 @@ decode(int encoded, struct adpcm_state* state)
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diff = (((encoded << 1) + 1) * step) >> 3;
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#else /* BLI code */
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diff = step >> 3;
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if (encoded & 4) diff += step;
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if (encoded & 2) diff += step >> 1;
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if (encoded & 1) diff += step >> 2;
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if (encoded & 4)
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diff += step;
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if (encoded & 2)
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diff += step >> 1;
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if (encoded & 1)
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diff += step >> 2;
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if ((encoded >> 1) & step & 0x1)
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diff++;
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#endif
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@@ -143,8 +145,7 @@ decode(int encoded, struct adpcm_state* state)
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#ifdef AUTO_RETURN
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if (encoded)
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state->zero_count = 0;
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else if (++(state->zero_count) == 24)
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{
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else if (++(state->zero_count) == 24) {
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state->zero_count = 0;
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if (state->signal > 0)
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state->next_flag = 0x1;
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@@ -174,51 +175,43 @@ decode(int encoded, struct adpcm_state* state)
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* signal gets updated with each pass.
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*/
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static inline int
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adpcm(short csig, struct adpcm_state* state)
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static inline int adpcm(short csig, struct adpcm_state *state)
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{
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int diff;
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int step;
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int encoded;
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/*
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* Clip csig if too large or too small
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*/
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* Clip csig if too large or too small
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*/
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csig >>= 4;
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step = stpsz[state->ssindex];
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diff = csig - state->signal;
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#ifdef NOT_BLI
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if (diff < 0)
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{
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if (diff < 0) {
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encoded = (-diff << 2) / step;
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if (encoded > 7)
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encoded = 7;
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encoded |= 0x08;
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}
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else
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{
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} else {
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encoded = (diff << 2) / step;
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if (encoded > 7)
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encoded = 7;
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}
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#else /* BLI code */
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if (diff < 0)
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{
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if (diff < 0) {
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encoded = 8;
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diff = -diff;
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}
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else
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} else
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encoded = 0;
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if (diff >= step)
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{
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if (diff >= step) {
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encoded |= 4;
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diff -= step;
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}
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step >>= 1;
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if (diff >= step)
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{
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if (diff >= step) {
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encoded |= 2;
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diff -= step;
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}
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@@ -239,12 +232,12 @@ adpcm(short csig, struct adpcm_state* state)
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struct adpcm_encoder_pvt
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{
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struct ast_frame f;
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char offset[AST_FRIENDLY_OFFSET]; /* Space to build offset */
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short inbuf[BUFFER_SIZE]; /* Unencoded signed linear values */
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unsigned char outbuf[BUFFER_SIZE]; /* Encoded ADPCM, two nibbles to a word */
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struct adpcm_state state;
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int tail;
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struct ast_frame f;
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char offset[AST_FRIENDLY_OFFSET]; /* Space to build offset */
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short inbuf[BUFFER_SIZE]; /* Unencoded signed linear values */
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unsigned char outbuf[BUFFER_SIZE]; /* Encoded ADPCM, two nibbles to a word */
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struct adpcm_state state;
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int tail;
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};
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/*
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@@ -253,12 +246,12 @@ struct adpcm_encoder_pvt
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struct adpcm_decoder_pvt
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{
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struct ast_frame f;
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char offset[AST_FRIENDLY_OFFSET]; /* Space to build offset */
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short outbuf[BUFFER_SIZE]; /* Decoded signed linear values */
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struct adpcm_state state;
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int tail;
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plc_state_t plc;
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struct ast_frame f;
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char offset[AST_FRIENDLY_OFFSET]; /* Space to build offset */
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short outbuf[BUFFER_SIZE]; /* Decoded signed linear values */
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struct adpcm_state state;
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int tail;
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plc_state_t plc;
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};
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/*
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@@ -272,20 +265,18 @@ struct adpcm_decoder_pvt
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* None.
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*/
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static struct ast_translator_pvt *
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adpcmtolin_new (void)
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static struct ast_translator_pvt *adpcmtolin_new(void)
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{
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struct adpcm_decoder_pvt *tmp;
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tmp = malloc (sizeof (struct adpcm_decoder_pvt));
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if (tmp)
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{
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memset(tmp, 0, sizeof(*tmp));
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tmp->tail = 0;
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plc_init(&tmp->plc);
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localusecnt++;
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ast_update_use_count ();
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}
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return (struct ast_translator_pvt *) tmp;
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struct adpcm_decoder_pvt *tmp;
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tmp = malloc(sizeof(struct adpcm_decoder_pvt));
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if (tmp) {
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memset(tmp, 0, sizeof(*tmp));
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tmp->tail = 0;
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plc_init(&tmp->plc);
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localusecnt++;
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ast_update_use_count();
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}
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return (struct ast_translator_pvt *)tmp;
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}
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/*
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@@ -299,19 +290,17 @@ adpcmtolin_new (void)
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* None.
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*/
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static struct ast_translator_pvt *
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lintoadpcm_new (void)
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static struct ast_translator_pvt *lintoadpcm_new(void)
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{
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struct adpcm_encoder_pvt *tmp;
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tmp = malloc (sizeof (struct adpcm_encoder_pvt));
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if (tmp)
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{
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memset(tmp, 0, sizeof(*tmp));
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localusecnt++;
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ast_update_use_count ();
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tmp->tail = 0;
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}
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return (struct ast_translator_pvt *) tmp;
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struct adpcm_encoder_pvt *tmp;
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tmp = malloc(sizeof(struct adpcm_encoder_pvt));
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if (tmp) {
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memset(tmp, 0, sizeof(*tmp));
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localusecnt++;
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ast_update_use_count();
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tmp->tail = 0;
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}
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return (struct ast_translator_pvt *)tmp;
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}
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/*
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@@ -326,40 +315,40 @@ lintoadpcm_new (void)
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* tmp->tail is the number of packed values in the buffer.
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*/
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static int
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adpcmtolin_framein (struct ast_translator_pvt *pvt, struct ast_frame *f)
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static int adpcmtolin_framein(struct ast_translator_pvt *pvt, struct ast_frame *f)
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{
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struct adpcm_decoder_pvt *tmp = (struct adpcm_decoder_pvt *) pvt;
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int x;
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unsigned char *b;
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struct adpcm_decoder_pvt *tmp = (struct adpcm_decoder_pvt *)pvt;
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int x;
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unsigned char *b;
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if(f->datalen == 0) { /* perform PLC with nominal framesize of 20ms/160 samples */
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if((tmp->tail + 160) > sizeof(tmp->outbuf) / 2) {
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ast_log(LOG_WARNING, "Out of buffer space\n");
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return -1;
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}
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if(useplc) {
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plc_fillin(&tmp->plc, tmp->outbuf+tmp->tail, 160);
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tmp->tail += 160;
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if(f->datalen == 0) { /* perform PLC with nominal framesize of 20ms/160 samples */
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if((tmp->tail + 160) > sizeof(tmp->outbuf) / 2) {
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ast_log(LOG_WARNING, "Out of buffer space\n");
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return -1;
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}
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if(useplc) {
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plc_fillin(&tmp->plc, tmp->outbuf+tmp->tail, 160);
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tmp->tail += 160;
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}
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return 0;
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}
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return 0;
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}
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if (f->datalen * 4 + tmp->tail * 2 > sizeof(tmp->outbuf)) {
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ast_log(LOG_WARNING, "Out of buffer space\n");
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return -1;
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}
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if (f->datalen * 4 + tmp->tail * 2 > sizeof(tmp->outbuf)) {
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ast_log(LOG_WARNING, "Out of buffer space\n");
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return -1;
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}
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b = f->data;
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b = f->data;
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for (x=0;x<f->datalen;x++) {
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tmp->outbuf[tmp->tail++] = decode((b[x] >> 4) & 0xf, &tmp->state);
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tmp->outbuf[tmp->tail++] = decode(b[x] & 0x0f, &tmp->state);
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}
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for (x=0;x<f->datalen;x++) {
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tmp->outbuf[tmp->tail++] = decode((b[x] >> 4) & 0xf, &tmp->state);
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tmp->outbuf[tmp->tail++] = decode(b[x] & 0x0f, &tmp->state);
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}
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if(useplc) plc_rx(&tmp->plc, tmp->outbuf+tmp->tail-f->datalen*2, f->datalen*2);
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if(useplc)
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plc_rx(&tmp->plc, tmp->outbuf+tmp->tail-f->datalen*2, f->datalen*2);
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return 0;
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return 0;
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}
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/*
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@@ -374,24 +363,23 @@ adpcmtolin_framein (struct ast_translator_pvt *pvt, struct ast_frame *f)
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* None.
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*/
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static struct ast_frame *
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adpcmtolin_frameout (struct ast_translator_pvt *pvt)
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static struct ast_frame *adpcmtolin_frameout(struct ast_translator_pvt *pvt)
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{
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struct adpcm_decoder_pvt *tmp = (struct adpcm_decoder_pvt *) pvt;
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struct adpcm_decoder_pvt *tmp = (struct adpcm_decoder_pvt *)pvt;
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if (!tmp->tail)
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return NULL;
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if (!tmp->tail)
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return NULL;
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tmp->f.frametype = AST_FRAME_VOICE;
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tmp->f.subclass = AST_FORMAT_SLINEAR;
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tmp->f.datalen = tmp->tail *2;
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tmp->f.samples = tmp->tail;
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tmp->f.mallocd = 0;
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tmp->f.offset = AST_FRIENDLY_OFFSET;
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tmp->f.src = __PRETTY_FUNCTION__;
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tmp->f.data = tmp->outbuf;
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tmp->tail = 0;
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return &tmp->f;
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tmp->f.frametype = AST_FRAME_VOICE;
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tmp->f.subclass = AST_FORMAT_SLINEAR;
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tmp->f.datalen = tmp->tail * 2;
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tmp->f.samples = tmp->tail;
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tmp->f.mallocd = 0;
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tmp->f.offset = AST_FRIENDLY_OFFSET;
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tmp->f.src = __PRETTY_FUNCTION__;
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tmp->f.data = tmp->outbuf;
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tmp->tail = 0;
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return &tmp->f;
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}
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/*
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@@ -405,22 +393,18 @@ adpcmtolin_frameout (struct ast_translator_pvt *pvt)
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* tmp->tail is number of signal values in the input buffer.
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*/
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static int
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lintoadpcm_framein (struct ast_translator_pvt *pvt, struct ast_frame *f)
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static int lintoadpcm_framein(struct ast_translator_pvt *pvt, struct ast_frame *f)
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{
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struct adpcm_encoder_pvt *tmp = (struct adpcm_encoder_pvt *) pvt;
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struct adpcm_encoder_pvt *tmp = (struct adpcm_encoder_pvt *)pvt;
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if ((tmp->tail + f->datalen / 2) < (sizeof (tmp->inbuf) / 2))
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{
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memcpy (&tmp->inbuf[tmp->tail], f->data, f->datalen);
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tmp->tail += f->datalen / 2;
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}
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else
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{
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ast_log (LOG_WARNING, "Out of buffer space\n");
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return -1;
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}
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return 0;
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if ((tmp->tail + f->datalen / 2) < (sizeof(tmp->inbuf) / 2)) {
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memcpy(&tmp->inbuf[tmp->tail], f->data, f->datalen);
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tmp->tail += f->datalen / 2;
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} else {
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ast_log(LOG_WARNING, "Out of buffer space\n");
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return -1;
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}
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return 0;
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}
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/*
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@@ -435,54 +419,50 @@ lintoadpcm_framein (struct ast_translator_pvt *pvt, struct ast_frame *f)
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* Leftover inbuf data gets packed, tail gets updated.
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*/
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static struct ast_frame *
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lintoadpcm_frameout (struct ast_translator_pvt *pvt)
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static struct ast_frame *lintoadpcm_frameout(struct ast_translator_pvt *pvt)
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{
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struct adpcm_encoder_pvt *tmp = (struct adpcm_encoder_pvt *) pvt;
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int i_max, i;
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struct adpcm_encoder_pvt *tmp = (struct adpcm_encoder_pvt *)pvt;
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int i_max, i;
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if (tmp->tail < 2) return NULL;
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if (tmp->tail < 2)
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return NULL;
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i_max = tmp->tail & ~1; /* atomic size is 2 samples */
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i_max = tmp->tail & ~1; /* atomic size is 2 samples */
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/* What is this, state debugging? should be #ifdef'd then
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tmp->outbuf[0] = tmp->ssindex & 0xff;
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tmp->outbuf[1] = (tmp->signal >> 8) & 0xff;
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tmp->outbuf[2] = (tmp->signal & 0xff);
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tmp->outbuf[3] = tmp->zero_count;
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tmp->outbuf[4] = tmp->next_flag;
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*/
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for (i = 0; i < i_max; i+=2) {
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tmp->outbuf[i/2] =
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(adpcm(tmp->inbuf[i ], &tmp->state) << 4) |
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(adpcm(tmp->inbuf[i+1], &tmp->state) );
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};
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/* What is this, state debugging? should be #ifdef'd then
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tmp->outbuf[0] = tmp->ssindex & 0xff;
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tmp->outbuf[1] = (tmp->signal >> 8) & 0xff;
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tmp->outbuf[2] = (tmp->signal & 0xff);
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tmp->outbuf[3] = tmp->zero_count;
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tmp->outbuf[4] = tmp->next_flag;
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*/
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for (i = 0; i < i_max; i+=2)
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{
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tmp->outbuf[i/2] =
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(adpcm(tmp->inbuf[i ], &tmp->state) << 4) |
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(adpcm(tmp->inbuf[i+1], &tmp->state) );
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};
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tmp->f.frametype = AST_FRAME_VOICE;
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tmp->f.subclass = AST_FORMAT_ADPCM;
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tmp->f.samples = i_max;
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tmp->f.mallocd = 0;
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tmp->f.offset = AST_FRIENDLY_OFFSET;
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tmp->f.src = __PRETTY_FUNCTION__;
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tmp->f.data = tmp->outbuf;
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tmp->f.datalen = i_max / 2;
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/*
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* If there is a signal left over (there should be no more than
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* one) move it to the beginning of the input buffer.
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*/
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||||
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tmp->f.frametype = AST_FRAME_VOICE;
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tmp->f.subclass = AST_FORMAT_ADPCM;
|
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tmp->f.samples = i_max;
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tmp->f.mallocd = 0;
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tmp->f.offset = AST_FRIENDLY_OFFSET;
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tmp->f.src = __PRETTY_FUNCTION__;
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tmp->f.data = tmp->outbuf;
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tmp->f.datalen = i_max / 2;
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/*
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* If there is a signal left over (there should be no more than
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* one) move it to the beginning of the input buffer.
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||||
*/
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||||
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if (tmp->tail == i_max)
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tmp->tail = 0;
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else
|
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{
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tmp->inbuf[0] = tmp->inbuf[tmp->tail];
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tmp->tail = 1;
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||||
}
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return &tmp->f;
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if (tmp->tail == i_max)
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tmp->tail = 0;
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else {
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tmp->inbuf[0] = tmp->inbuf[tmp->tail];
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||||
tmp->tail = 1;
|
||||
}
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||||
return &tmp->f;
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||||
}
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||||
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||||
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@@ -490,39 +470,37 @@ lintoadpcm_frameout (struct ast_translator_pvt *pvt)
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||||
* AdpcmToLin_Sample
|
||||
*/
|
||||
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||||
static struct ast_frame *
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||||
adpcmtolin_sample (void)
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||||
static struct ast_frame *adpcmtolin_sample(void)
|
||||
{
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||||
static struct ast_frame f;
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f.frametype = AST_FRAME_VOICE;
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||||
f.subclass = AST_FORMAT_ADPCM;
|
||||
f.datalen = sizeof (adpcm_slin_ex);
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f.samples = sizeof(adpcm_slin_ex) * 2;
|
||||
f.mallocd = 0;
|
||||
f.offset = 0;
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||||
f.src = __PRETTY_FUNCTION__;
|
||||
f.data = adpcm_slin_ex;
|
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return &f;
|
||||
static struct ast_frame f;
|
||||
f.frametype = AST_FRAME_VOICE;
|
||||
f.subclass = AST_FORMAT_ADPCM;
|
||||
f.datalen = sizeof(adpcm_slin_ex);
|
||||
f.samples = sizeof(adpcm_slin_ex) * 2;
|
||||
f.mallocd = 0;
|
||||
f.offset = 0;
|
||||
f.src = __PRETTY_FUNCTION__;
|
||||
f.data = adpcm_slin_ex;
|
||||
return &f;
|
||||
}
|
||||
|
||||
/*
|
||||
* LinToAdpcm_Sample
|
||||
*/
|
||||
|
||||
static struct ast_frame *
|
||||
lintoadpcm_sample (void)
|
||||
static struct ast_frame *lintoadpcm_sample(void)
|
||||
{
|
||||
static struct ast_frame f;
|
||||
f.frametype = AST_FRAME_VOICE;
|
||||
f.subclass = AST_FORMAT_SLINEAR;
|
||||
f.datalen = sizeof (slin_adpcm_ex);
|
||||
/* Assume 8000 Hz */
|
||||
f.samples = sizeof (slin_adpcm_ex) / 2;
|
||||
f.mallocd = 0;
|
||||
f.offset = 0;
|
||||
f.src = __PRETTY_FUNCTION__;
|
||||
f.data = slin_adpcm_ex;
|
||||
return &f;
|
||||
static struct ast_frame f;
|
||||
f.frametype = AST_FRAME_VOICE;
|
||||
f.subclass = AST_FORMAT_SLINEAR;
|
||||
f.datalen = sizeof(slin_adpcm_ex);
|
||||
/* Assume 8000 Hz */
|
||||
f.samples = sizeof(slin_adpcm_ex) / 2;
|
||||
f.mallocd = 0;
|
||||
f.offset = 0;
|
||||
f.src = __PRETTY_FUNCTION__;
|
||||
f.data = slin_adpcm_ex;
|
||||
return &f;
|
||||
}
|
||||
|
||||
/*
|
||||
@@ -536,12 +514,11 @@ lintoadpcm_sample (void)
|
||||
* None.
|
||||
*/
|
||||
|
||||
static void
|
||||
adpcm_destroy (struct ast_translator_pvt *pvt)
|
||||
static void adpcm_destroy(struct ast_translator_pvt *pvt)
|
||||
{
|
||||
free (pvt);
|
||||
localusecnt--;
|
||||
ast_update_use_count ();
|
||||
free(pvt);
|
||||
localusecnt--;
|
||||
ast_update_use_count();
|
||||
}
|
||||
|
||||
/*
|
||||
@@ -549,15 +526,15 @@ adpcm_destroy (struct ast_translator_pvt *pvt)
|
||||
*/
|
||||
|
||||
static struct ast_translator adpcmtolin = {
|
||||
"adpcmtolin",
|
||||
AST_FORMAT_ADPCM,
|
||||
AST_FORMAT_SLINEAR,
|
||||
adpcmtolin_new,
|
||||
adpcmtolin_framein,
|
||||
adpcmtolin_frameout,
|
||||
adpcm_destroy,
|
||||
/* NULL */
|
||||
adpcmtolin_sample
|
||||
"adpcmtolin",
|
||||
AST_FORMAT_ADPCM,
|
||||
AST_FORMAT_SLINEAR,
|
||||
adpcmtolin_new,
|
||||
adpcmtolin_framein,
|
||||
adpcmtolin_frameout,
|
||||
adpcm_destroy,
|
||||
/* NULL */
|
||||
adpcmtolin_sample
|
||||
};
|
||||
|
||||
/*
|
||||
@@ -565,91 +542,84 @@ static struct ast_translator adpcmtolin = {
|
||||
*/
|
||||
|
||||
static struct ast_translator lintoadpcm = {
|
||||
"lintoadpcm",
|
||||
AST_FORMAT_SLINEAR,
|
||||
AST_FORMAT_ADPCM,
|
||||
lintoadpcm_new,
|
||||
lintoadpcm_framein,
|
||||
lintoadpcm_frameout,
|
||||
adpcm_destroy,
|
||||
/* NULL */
|
||||
lintoadpcm_sample
|
||||
"lintoadpcm",
|
||||
AST_FORMAT_SLINEAR,
|
||||
AST_FORMAT_ADPCM,
|
||||
lintoadpcm_new,
|
||||
lintoadpcm_framein,
|
||||
lintoadpcm_frameout,
|
||||
adpcm_destroy,
|
||||
/* NULL */
|
||||
lintoadpcm_sample
|
||||
};
|
||||
|
||||
static void
|
||||
parse_config(void)
|
||||
static void parse_config(void)
|
||||
{
|
||||
struct ast_config *cfg;
|
||||
struct ast_variable *var;
|
||||
if ((cfg = ast_config_load("codecs.conf"))) {
|
||||
if ((var = ast_variable_browse(cfg, "plc"))) {
|
||||
while (var) {
|
||||
if (!strcasecmp(var->name, "genericplc")) {
|
||||
useplc = ast_true(var->value) ? 1 : 0;
|
||||
if (option_verbose > 2)
|
||||
ast_verbose(VERBOSE_PREFIX_3 "codec_adpcm: %susing generic PLC\n", useplc ? "" : "not ");
|
||||
}
|
||||
var = var->next;
|
||||
}
|
||||
}
|
||||
ast_config_destroy(cfg);
|
||||
}
|
||||
struct ast_config *cfg;
|
||||
struct ast_variable *var;
|
||||
if ((cfg = ast_config_load("codecs.conf"))) {
|
||||
if ((var = ast_variable_browse(cfg, "plc"))) {
|
||||
while (var) {
|
||||
if (!strcasecmp(var->name, "genericplc")) {
|
||||
useplc = ast_true(var->value) ? 1 : 0;
|
||||
if (option_verbose > 2)
|
||||
ast_verbose(VERBOSE_PREFIX_3 "codec_adpcm: %susing generic PLC\n", useplc ? "" : "not ");
|
||||
}
|
||||
var = var->next;
|
||||
}
|
||||
}
|
||||
ast_config_destroy(cfg);
|
||||
}
|
||||
}
|
||||
|
||||
int
|
||||
reload(void)
|
||||
int reload(void)
|
||||
{
|
||||
parse_config();
|
||||
return 0;
|
||||
parse_config();
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
unload_module (void)
|
||||
int unload_module(void)
|
||||
{
|
||||
int res;
|
||||
ast_mutex_lock (&localuser_lock);
|
||||
res = ast_unregister_translator (&lintoadpcm);
|
||||
if (!res)
|
||||
res = ast_unregister_translator (&adpcmtolin);
|
||||
if (localusecnt)
|
||||
res = -1;
|
||||
ast_mutex_unlock (&localuser_lock);
|
||||
return res;
|
||||
int res;
|
||||
ast_mutex_lock(&localuser_lock);
|
||||
res = ast_unregister_translator(&lintoadpcm);
|
||||
if (!res)
|
||||
res = ast_unregister_translator(&adpcmtolin);
|
||||
if (localusecnt)
|
||||
res = -1;
|
||||
ast_mutex_unlock(&localuser_lock);
|
||||
return res;
|
||||
}
|
||||
|
||||
int
|
||||
load_module (void)
|
||||
int load_module(void)
|
||||
{
|
||||
int res;
|
||||
parse_config();
|
||||
res = ast_register_translator (&adpcmtolin);
|
||||
if (!res)
|
||||
res = ast_register_translator (&lintoadpcm);
|
||||
else
|
||||
ast_unregister_translator (&adpcmtolin);
|
||||
return res;
|
||||
int res;
|
||||
parse_config();
|
||||
res = ast_register_translator(&adpcmtolin);
|
||||
if (!res)
|
||||
res = ast_register_translator(&lintoadpcm);
|
||||
else
|
||||
ast_unregister_translator(&adpcmtolin);
|
||||
return res;
|
||||
}
|
||||
|
||||
/*
|
||||
* Return a description of this module.
|
||||
*/
|
||||
|
||||
char *
|
||||
description (void)
|
||||
char *description(void)
|
||||
{
|
||||
return tdesc;
|
||||
return tdesc;
|
||||
}
|
||||
|
||||
int
|
||||
usecount (void)
|
||||
int usecount(void)
|
||||
{
|
||||
int res;
|
||||
STANDARD_USECOUNT (res);
|
||||
return res;
|
||||
int res;
|
||||
STANDARD_USECOUNT(res);
|
||||
return res;
|
||||
}
|
||||
|
||||
char *
|
||||
key ()
|
||||
char *key()
|
||||
{
|
||||
return ASTERISK_GPL_KEY;
|
||||
return ASTERISK_GPL_KEY;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user