main/format_compatibility.c File Reference

Media Format Bitfield Compatibility API. More...

#include "asterisk.h"
#include "asterisk/logger.h"
#include "asterisk/astobj2.h"
#include "asterisk/codec.h"
#include "asterisk/format.h"
#include "asterisk/format_compatibility.h"
#include "asterisk/format_cache.h"

Include dependency graph for main/format_compatibility.c:

Go to the source code of this file.

Functions
struct ast_format *	ast_format_compatibility_bitfield2format (uint64_t bitfield)
	Convert a bitfield to its respective format structure. More...
uint64_t	ast_format_compatibility_codec2bitfield (const struct ast_codec *codec)
	Convert a codec structure to its respective bitfield. More...
uint64_t	ast_format_compatibility_format2bitfield (const struct ast_format *format)
	Convert a format structure to its respective bitfield. More...

Detailed Description

Media Format Bitfield Compatibility API.

Author

Joshua Colp jcolp.nosp@m.@dig.nosp@m.ium.c.nosp@m.om

Definition in file main/format_compatibility.c.

Function Documentation

ast_format_compatibility_bitfield2format()

struct ast_format* ast_format_compatibility_bitfield2format

(

uint64_t

bitfield

)

Convert a bitfield to its respective format structure.

Parameters

bitfield

The bitfield for the media format

Return values

non-NULL	success
NULL	failure (The format bitfield value is not supported)

Note

The reference count of the returned format is NOT incremented

G.723.1 compression

GSM compression

Raw mu-law data (G.711)

Raw A-law data (G.711)

ADPCM (G.726, 32kbps, AAL2 codeword packing)

ADPCM (IMA)

Raw 16-bit Signed Linear (8000 Hz) PCM

LPC10, 180 samples/frame

G.729A audio

SpeeX Free Compression

iLBC Free Compression

ADPCM (G.726, 32kbps, RFC3551 codeword packing)

G.722

G.722.1 (also known as Siren7, 32kbps assumed)

G.722.1 Annex C (also known as Siren14, 48kbps assumed)

Raw 16-bit Signed Linear (16000 Hz) PCM

G.719 (64 kbps assumed)

SpeeX Wideband (16kHz) Free Compression

Opus audio (8kHz, 16kHz, 24kHz, 48Khz)

Raw mu-law data (G.711)

H.261 Video

H.263 Video

H.263+ Video

H.264 Video

MPEG4 Video

VP8 Video

JPEG Images

PNG Images

T.140 RED Text format RFC 4103

T.140 Text format - ITU T.140, RFC 4103

Definition at line 173 of file main/format_compatibility.c.

References AST_FORMAT_ADPCM, ast_format_adpcm, AST_FORMAT_ALAW, ast_format_alaw, AST_FORMAT_G719, ast_format_g719, AST_FORMAT_G722, ast_format_g722, AST_FORMAT_G723, ast_format_g723, AST_FORMAT_G726, ast_format_g726, AST_FORMAT_G726_AAL2, ast_format_g726_aal2, AST_FORMAT_G729, ast_format_g729, AST_FORMAT_GSM, ast_format_gsm, AST_FORMAT_H261, ast_format_h261, AST_FORMAT_H263, ast_format_h263, AST_FORMAT_H263P, ast_format_h263p, AST_FORMAT_H264, ast_format_h264, AST_FORMAT_ILBC, ast_format_ilbc, AST_FORMAT_JPEG, ast_format_jpeg, AST_FORMAT_LPC10, ast_format_lpc10, AST_FORMAT_MP4, ast_format_mp4, AST_FORMAT_OPUS, ast_format_opus, AST_FORMAT_PNG, ast_format_png, AST_FORMAT_SIREN14, ast_format_siren14, AST_FORMAT_SIREN7, ast_format_siren7, ast_format_slin, AST_FORMAT_SLIN, ast_format_slin16, AST_FORMAT_SLIN16, AST_FORMAT_SPEEX, ast_format_speex, AST_FORMAT_SPEEX16, ast_format_speex16, AST_FORMAT_T140, ast_format_t140, AST_FORMAT_T140_RED, ast_format_t140_red, AST_FORMAT_TESTLAW, ast_format_testlaw, AST_FORMAT_ULAW, ast_format_ulaw, AST_FORMAT_VP8, ast_format_vp8, and NULL.

Referenced by __get_from_jb(), codec_choose_from_prefs(), decode_frame(), iax2_codec_pref_best_bitfield2cap(), iax2_codec_pref_from_bitfield(), iax2_codec_pref_index(), iax2_codec_pref_to_cap(), iax2_format_compatibility_bitfield2cap(), iax2_getformatname(), iax2_send(), socket_process_helper(), and socket_process_meta().

{
   switch (bitfield) {
   /*! G.723.1 compression */
   case AST_FORMAT_G723:
      return ast_format_g723;
   /*! GSM compression */
   case AST_FORMAT_GSM:
      return ast_format_gsm;
   /*! Raw mu-law data (G.711) */
   case AST_FORMAT_ULAW:
      return ast_format_ulaw;
   /*! Raw A-law data (G.711) */
   case AST_FORMAT_ALAW:
      return ast_format_alaw;
   /*! ADPCM (G.726, 32kbps, AAL2 codeword packing) */
   case AST_FORMAT_G726_AAL2:
      return ast_format_g726_aal2;
   /*! ADPCM (IMA) */
   case AST_FORMAT_ADPCM:
      return ast_format_adpcm;
   /*! Raw 16-bit Signed Linear (8000 Hz) PCM */
   case AST_FORMAT_SLIN:
      return ast_format_slin;
   /*! LPC10, 180 samples/frame */
   case AST_FORMAT_LPC10:
      return ast_format_lpc10;
   /*! G.729A audio */
   case AST_FORMAT_G729:
      return ast_format_g729;
   /*! SpeeX Free Compression */
   case AST_FORMAT_SPEEX:
      return ast_format_speex;
   /*! iLBC Free Compression */
   case AST_FORMAT_ILBC:
      return ast_format_ilbc;
   /*! ADPCM (G.726, 32kbps, RFC3551 codeword packing) */
   case AST_FORMAT_G726:
      return ast_format_g726;
   /*! G.722 */
   case AST_FORMAT_G722:
      return ast_format_g722;
   /*! G.722.1 (also known as Siren7, 32kbps assumed) */
   case AST_FORMAT_SIREN7:
      return ast_format_siren7;
   /*! G.722.1 Annex C (also known as Siren14, 48kbps assumed) */
   case AST_FORMAT_SIREN14:
      return ast_format_siren14;
   /*! Raw 16-bit Signed Linear (16000 Hz) PCM */
   case AST_FORMAT_SLIN16:
      return ast_format_slin16;
   /*! G.719 (64 kbps assumed) */
   case AST_FORMAT_G719:
      return ast_format_g719;
   /*! SpeeX Wideband (16kHz) Free Compression */
   case AST_FORMAT_SPEEX16:
      return ast_format_speex16;
   /*! Opus audio (8kHz, 16kHz, 24kHz, 48Khz) */
   case AST_FORMAT_OPUS:
      return ast_format_opus;
   /*! Raw mu-law data (G.711) */
   case AST_FORMAT_TESTLAW:
      return ast_format_testlaw;

   /*! H.261 Video */
   case AST_FORMAT_H261:
      return ast_format_h261;
   /*! H.263 Video */
   case AST_FORMAT_H263:
      return ast_format_h263;
   /*! H.263+ Video */
   case AST_FORMAT_H263P:
      return ast_format_h263p;
   /*! H.264 Video */
   case AST_FORMAT_H264:
      return ast_format_h264;
   /*! MPEG4 Video */
   case AST_FORMAT_MP4:
      return ast_format_mp4;
   /*! VP8 Video */
   case AST_FORMAT_VP8:
      return ast_format_vp8;

   /*! JPEG Images */
   case AST_FORMAT_JPEG:
      return ast_format_jpeg;
   /*! PNG Images */
   case AST_FORMAT_PNG:
      return ast_format_png;

   /*! T.140 RED Text format RFC 4103 */
   case AST_FORMAT_T140_RED:
      return ast_format_t140_red;
   /*! T.140 Text format - ITU T.140, RFC 4103 */
   case AST_FORMAT_T140:
      return ast_format_t140;
   }
   return NULL;
}

ast_format_compatibility_codec2bitfield()

uint64_t ast_format_compatibility_codec2bitfield

(

const struct ast_codec *

codec

)

Convert a codec structure to its respective bitfield.

Parameters

codec

The media codec

Return values

non-zero	success
zero	format not supported

Definition at line 106 of file main/format_compatibility.c.

References AST_FORMAT_ADPCM, ast_format_adpcm, AST_FORMAT_ALAW, ast_format_alaw, AST_FORMAT_G719, ast_format_g719, AST_FORMAT_G722, ast_format_g722, AST_FORMAT_G723, ast_format_g723, AST_FORMAT_G726, ast_format_g726, AST_FORMAT_G726_AAL2, ast_format_g726_aal2, AST_FORMAT_G729, ast_format_g729, ast_format_get_codec_id(), AST_FORMAT_GSM, ast_format_gsm, AST_FORMAT_H261, ast_format_h261, AST_FORMAT_H263, ast_format_h263, AST_FORMAT_H263P, ast_format_h263p, AST_FORMAT_H264, ast_format_h264, AST_FORMAT_ILBC, ast_format_ilbc, AST_FORMAT_JPEG, ast_format_jpeg, AST_FORMAT_LPC10, ast_format_lpc10, AST_FORMAT_MP4, ast_format_mp4, AST_FORMAT_OPUS, ast_format_opus, AST_FORMAT_PNG, ast_format_png, AST_FORMAT_SIREN14, ast_format_siren14, AST_FORMAT_SIREN7, ast_format_siren7, ast_format_slin, AST_FORMAT_SLIN, ast_format_slin16, AST_FORMAT_SLIN16, AST_FORMAT_SPEEX, ast_format_speex, AST_FORMAT_SPEEX16, ast_format_speex16, AST_FORMAT_T140, ast_format_t140, AST_FORMAT_T140_RED, ast_format_t140_red, AST_FORMAT_TESTLAW, ast_format_testlaw, AST_FORMAT_ULAW, ast_format_ulaw, AST_FORMAT_VP8, ast_format_vp8, and ast_codec::id.

{
   if (codec->id == ast_format_get_codec_id(ast_format_g723)) {
      return AST_FORMAT_G723;
   } else if (codec->id == ast_format_get_codec_id(ast_format_gsm)) {
      return AST_FORMAT_GSM;
   } else if (codec->id == ast_format_get_codec_id(ast_format_ulaw)) {
      return AST_FORMAT_ULAW;
   } else if (codec->id == ast_format_get_codec_id(ast_format_alaw)) {
      return AST_FORMAT_ALAW;
   } else if (codec->id == ast_format_get_codec_id(ast_format_g726_aal2)) {
      return AST_FORMAT_G726_AAL2;
   } else if (codec->id == ast_format_get_codec_id(ast_format_adpcm)) {
      return AST_FORMAT_ADPCM;
   } else if (codec->id == ast_format_get_codec_id(ast_format_slin)) {
      return AST_FORMAT_SLIN;
   } else if (codec->id == ast_format_get_codec_id(ast_format_lpc10)) {
      return AST_FORMAT_LPC10;
   } else if (codec->id == ast_format_get_codec_id(ast_format_g729)) {
      return AST_FORMAT_G729;
   } else if (codec->id == ast_format_get_codec_id(ast_format_speex)) {
      return AST_FORMAT_SPEEX;
   } else if (codec->id == ast_format_get_codec_id(ast_format_ilbc)) {
      return AST_FORMAT_ILBC;
   } else if (codec->id == ast_format_get_codec_id(ast_format_g726)) {
      return AST_FORMAT_G726;
   } else if (codec->id == ast_format_get_codec_id(ast_format_g722)) {
      return AST_FORMAT_G722;
   } else if (codec->id == ast_format_get_codec_id(ast_format_siren7)) {
      return AST_FORMAT_SIREN7;
   } else if (codec->id == ast_format_get_codec_id(ast_format_siren14)) {
      return AST_FORMAT_SIREN14;
   } else if (codec->id == ast_format_get_codec_id(ast_format_slin16)) {
      return AST_FORMAT_SLIN16;
   } else if (codec->id == ast_format_get_codec_id(ast_format_g719)) {
      return AST_FORMAT_G719;
   } else if (codec->id == ast_format_get_codec_id(ast_format_speex16)) {
      return AST_FORMAT_SPEEX16;
   } else if (codec->id == ast_format_get_codec_id(ast_format_opus)) {
      return AST_FORMAT_OPUS;
   } else if (codec->id == ast_format_get_codec_id(ast_format_testlaw)) {
      return AST_FORMAT_TESTLAW;
   } else if (codec->id == ast_format_get_codec_id(ast_format_h261)) {
      return AST_FORMAT_H261;
   } else if (codec->id == ast_format_get_codec_id(ast_format_h263)) {
      return AST_FORMAT_H263;
   } else if (codec->id == ast_format_get_codec_id(ast_format_h263p)) {
      return AST_FORMAT_H263P;
   } else if (codec->id == ast_format_get_codec_id(ast_format_h264)) {
      return AST_FORMAT_H264;
   } else if (codec->id == ast_format_get_codec_id(ast_format_mp4)) {
      return AST_FORMAT_MP4;
   } else if (codec->id == ast_format_get_codec_id(ast_format_vp8)) {
      return AST_FORMAT_VP8;
   } else if (codec->id == ast_format_get_codec_id(ast_format_jpeg)) {
      return AST_FORMAT_JPEG;
   } else if (codec->id == ast_format_get_codec_id(ast_format_png)) {
      return AST_FORMAT_PNG;
   } else if (codec->id == ast_format_get_codec_id(ast_format_t140_red)) {
      return AST_FORMAT_T140_RED;
   } else if (codec->id == ast_format_get_codec_id(ast_format_t140)) {
      return AST_FORMAT_T140;
   }

   return 0;
}

ast_format_compatibility_format2bitfield()

uint64_t ast_format_compatibility_format2bitfield

(

const struct ast_format *

format

)

Convert a format structure to its respective bitfield.

Parameters

format

The media format

Return values

non-zero	success
zero	format not supported

Definition at line 39 of file main/format_compatibility.c.

References AST_FORMAT_ADPCM, ast_format_adpcm, AST_FORMAT_ALAW, ast_format_alaw, ast_format_cmp(), AST_FORMAT_CMP_EQUAL, AST_FORMAT_G719, ast_format_g719, AST_FORMAT_G722, ast_format_g722, AST_FORMAT_G723, ast_format_g723, AST_FORMAT_G726, ast_format_g726, AST_FORMAT_G726_AAL2, ast_format_g726_aal2, AST_FORMAT_G729, ast_format_g729, AST_FORMAT_GSM, ast_format_gsm, AST_FORMAT_H261, ast_format_h261, AST_FORMAT_H263, ast_format_h263, AST_FORMAT_H263P, ast_format_h263p, AST_FORMAT_H264, ast_format_h264, AST_FORMAT_ILBC, ast_format_ilbc, AST_FORMAT_JPEG, ast_format_jpeg, AST_FORMAT_LPC10, ast_format_lpc10, AST_FORMAT_MP4, ast_format_mp4, AST_FORMAT_OPUS, ast_format_opus, AST_FORMAT_PNG, ast_format_png, AST_FORMAT_SIREN14, ast_format_siren14, AST_FORMAT_SIREN7, ast_format_siren7, ast_format_slin, AST_FORMAT_SLIN, ast_format_slin16, AST_FORMAT_SLIN16, AST_FORMAT_SPEEX, ast_format_speex, AST_FORMAT_SPEEX16, ast_format_speex16, AST_FORMAT_T140, ast_format_t140, AST_FORMAT_T140_RED, ast_format_t140_red, AST_FORMAT_TESTLAW, ast_format_testlaw, AST_FORMAT_ULAW, ast_format_ulaw, AST_FORMAT_VP8, and ast_format_vp8.

Referenced by conf_run(), iax2_codec_choose(), iax2_codec_pref_append(), iax2_codec_pref_prepend(), iax2_format_compatibility_cap2bitfield(), iax2_send(), iax_template_parse(), phone_write(), and socket_process_helper().

{
   if (ast_format_cmp(format, ast_format_g723) == AST_FORMAT_CMP_EQUAL) {
      return AST_FORMAT_G723;
   } else if (ast_format_cmp(format, ast_format_gsm) == AST_FORMAT_CMP_EQUAL) {
      return AST_FORMAT_GSM;
   } else if (ast_format_cmp(format, ast_format_ulaw) == AST_FORMAT_CMP_EQUAL) {
      return AST_FORMAT_ULAW;
   } else if (ast_format_cmp(format, ast_format_alaw) == AST_FORMAT_CMP_EQUAL) {
      return AST_FORMAT_ALAW;
   } else if (ast_format_cmp(format, ast_format_g726_aal2) == AST_FORMAT_CMP_EQUAL) {
      return AST_FORMAT_G726_AAL2;
   } else if (ast_format_cmp(format, ast_format_adpcm) == AST_FORMAT_CMP_EQUAL) {
      return AST_FORMAT_ADPCM;
   } else if (ast_format_cmp(format, ast_format_slin) == AST_FORMAT_CMP_EQUAL) {
      return AST_FORMAT_SLIN;
   } else if (ast_format_cmp(format, ast_format_lpc10) == AST_FORMAT_CMP_EQUAL) {
      return AST_FORMAT_LPC10;
   } else if (ast_format_cmp(format, ast_format_g729) == AST_FORMAT_CMP_EQUAL) {
      return AST_FORMAT_G729;
   } else if (ast_format_cmp(format, ast_format_speex) == AST_FORMAT_CMP_EQUAL) {
      return AST_FORMAT_SPEEX;
   } else if (ast_format_cmp(format, ast_format_ilbc) == AST_FORMAT_CMP_EQUAL) {
      return AST_FORMAT_ILBC;
   } else if (ast_format_cmp(format, ast_format_g726) == AST_FORMAT_CMP_EQUAL) {
      return AST_FORMAT_G726;
   } else if (ast_format_cmp(format, ast_format_g722) == AST_FORMAT_CMP_EQUAL) {
      return AST_FORMAT_G722;
   } else if (ast_format_cmp(format, ast_format_siren7) == AST_FORMAT_CMP_EQUAL) {
      return AST_FORMAT_SIREN7;
   } else if (ast_format_cmp(format, ast_format_siren14) == AST_FORMAT_CMP_EQUAL) {
      return AST_FORMAT_SIREN14;
   } else if (ast_format_cmp(format, ast_format_slin16) == AST_FORMAT_CMP_EQUAL) {
      return AST_FORMAT_SLIN16;
   } else if (ast_format_cmp(format, ast_format_g719) == AST_FORMAT_CMP_EQUAL) {
      return AST_FORMAT_G719;
   } else if (ast_format_cmp(format, ast_format_speex16) == AST_FORMAT_CMP_EQUAL) {
      return AST_FORMAT_SPEEX16;
   } else if (ast_format_cmp(format, ast_format_opus) == AST_FORMAT_CMP_EQUAL) {
      return AST_FORMAT_OPUS;
   } else if (ast_format_cmp(format, ast_format_testlaw) == AST_FORMAT_CMP_EQUAL) {
      return AST_FORMAT_TESTLAW;
   } else if (ast_format_cmp(format, ast_format_h261) == AST_FORMAT_CMP_EQUAL) {
      return AST_FORMAT_H261;
   } else if (ast_format_cmp(format, ast_format_h263) == AST_FORMAT_CMP_EQUAL) {
      return AST_FORMAT_H263;
   } else if (ast_format_cmp(format, ast_format_h263p) == AST_FORMAT_CMP_EQUAL) {
      return AST_FORMAT_H263P;
   } else if (ast_format_cmp(format, ast_format_h264) == AST_FORMAT_CMP_EQUAL) {
      return AST_FORMAT_H264;
   } else if (ast_format_cmp(format, ast_format_mp4) == AST_FORMAT_CMP_EQUAL) {
      return AST_FORMAT_MP4;
   } else if (ast_format_cmp(format, ast_format_vp8) == AST_FORMAT_CMP_EQUAL) {
      return AST_FORMAT_VP8;
   } else if (ast_format_cmp(format, ast_format_jpeg) == AST_FORMAT_CMP_EQUAL) {
      return AST_FORMAT_JPEG;
   } else if (ast_format_cmp(format, ast_format_png) == AST_FORMAT_CMP_EQUAL) {
      return AST_FORMAT_PNG;
   } else if (ast_format_cmp(format, ast_format_t140_red) == AST_FORMAT_CMP_EQUAL) {
      return AST_FORMAT_T140_RED;
   } else if (ast_format_cmp(format, ast_format_t140) == AST_FORMAT_CMP_EQUAL) {
      return AST_FORMAT_T140;
   }

   return 0;
}