include/asterisk/format_compatibility.h File Reference

Media Format Bitfield Compatibility API. More...

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Go to the source code of this file.

Macros
#define	AST_FORMAT_ADPCM   (1ULL << 5)
#define	AST_FORMAT_ALAW   (1ULL << 3)
#define	AST_FORMAT_G719   (1ULL << 32)
#define	AST_FORMAT_G722   (1ULL << 12)
#define	AST_FORMAT_G723   (1ULL << 0)
#define	AST_FORMAT_G726   (1ULL << 11)
#define	AST_FORMAT_G726_AAL2   (1ULL << 4)
#define	AST_FORMAT_G729   (1ULL << 8)
#define	AST_FORMAT_GSM   (1ULL << 1)
#define	AST_FORMAT_H261   (1ULL << 18)
#define	AST_FORMAT_H263   (1ULL << 19)
#define	AST_FORMAT_H263P   (1ULL << 20)
#define	AST_FORMAT_H264   (1ULL << 21)
#define	AST_FORMAT_ILBC   (1ULL << 10)
#define	AST_FORMAT_JPEG   (1ULL << 16)
#define	AST_FORMAT_LPC10   (1ULL << 7)
#define	AST_FORMAT_MP4   (1ULL << 22)
#define	AST_FORMAT_OPUS   (1ULL << 34)
#define	AST_FORMAT_PNG   (1ULL << 17)
#define	AST_FORMAT_SIREN14   (1ULL << 14)
#define	AST_FORMAT_SIREN7   (1ULL << 13)
#define	AST_FORMAT_SLIN   (1ULL << 6)
#define	AST_FORMAT_SLIN16   (1ULL << 15)
#define	AST_FORMAT_SPEEX   (1ULL << 9)
#define	AST_FORMAT_SPEEX16   (1ULL << 33)
#define	AST_FORMAT_T140   (1ULL << 27)
#define	AST_FORMAT_T140_RED   (1ULL << 26)
#define	AST_FORMAT_ULAW   (1ULL << 2)
#define	AST_FORMAT_VP8   (1ULL << 23)

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 include/asterisk/format_compatibility.h.

Macro Definition Documentation

AST_FORMAT_ADPCM

#define AST_FORMAT_ADPCM   (1ULL << 5)

ADPCM (IMA)

Definition at line 47 of file include/asterisk/format_compatibility.h.

AST_FORMAT_ALAW

#define AST_FORMAT_ALAW   (1ULL << 3)

Raw A-law data (G.711)

Definition at line 43 of file include/asterisk/format_compatibility.h.

AST_FORMAT_G719

#define AST_FORMAT_G719   (1ULL << 32)

G.719 (64 kbps assumed)

Definition at line 69 of file include/asterisk/format_compatibility.h.

AST_FORMAT_G722

#define AST_FORMAT_G722   (1ULL << 12)

G.722

Definition at line 61 of file include/asterisk/format_compatibility.h.

AST_FORMAT_G723

#define AST_FORMAT_G723   (1ULL << 0)

G.723.1 compression

Definition at line 37 of file include/asterisk/format_compatibility.h.

AST_FORMAT_G726

#define AST_FORMAT_G726   (1ULL << 11)

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

Definition at line 59 of file include/asterisk/format_compatibility.h.

AST_FORMAT_G726_AAL2

#define AST_FORMAT_G726_AAL2   (1ULL << 4)

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

Definition at line 45 of file include/asterisk/format_compatibility.h.

AST_FORMAT_G729

#define AST_FORMAT_G729   (1ULL << 8)

G.729A audio

Definition at line 53 of file include/asterisk/format_compatibility.h.

AST_FORMAT_GSM

#define AST_FORMAT_GSM   (1ULL << 1)

GSM compression

Definition at line 39 of file include/asterisk/format_compatibility.h.

AST_FORMAT_H261

#define AST_FORMAT_H261   (1ULL << 18)

Raw testing-law data (G.711)

H.261 Video

Definition at line 77 of file include/asterisk/format_compatibility.h.

AST_FORMAT_H263

#define AST_FORMAT_H263   (1ULL << 19)

H.263 Video

Definition at line 79 of file include/asterisk/format_compatibility.h.

AST_FORMAT_H263P

#define AST_FORMAT_H263P   (1ULL << 20)

H.263+ Video

Definition at line 81 of file include/asterisk/format_compatibility.h.

AST_FORMAT_H264

#define AST_FORMAT_H264   (1ULL << 21)

H.264 Video

Definition at line 83 of file include/asterisk/format_compatibility.h.

AST_FORMAT_ILBC

#define AST_FORMAT_ILBC   (1ULL << 10)

iLBC Free Compression

Definition at line 57 of file include/asterisk/format_compatibility.h.

AST_FORMAT_JPEG

#define AST_FORMAT_JPEG   (1ULL << 16)

JPEG Images

Definition at line 89 of file include/asterisk/format_compatibility.h.

AST_FORMAT_LPC10

#define AST_FORMAT_LPC10   (1ULL << 7)

LPC10, 180 samples/frame

Definition at line 51 of file include/asterisk/format_compatibility.h.

AST_FORMAT_MP4

#define AST_FORMAT_MP4   (1ULL << 22)

MPEG4 Video

Definition at line 85 of file include/asterisk/format_compatibility.h.

AST_FORMAT_OPUS

#define AST_FORMAT_OPUS   (1ULL << 34)

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

Definition at line 73 of file include/asterisk/format_compatibility.h.

AST_FORMAT_PNG

#define AST_FORMAT_PNG   (1ULL << 17)

PNG Images

Definition at line 91 of file include/asterisk/format_compatibility.h.

AST_FORMAT_SIREN14

#define AST_FORMAT_SIREN14   (1ULL << 14)

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

Definition at line 65 of file include/asterisk/format_compatibility.h.

AST_FORMAT_SIREN7

#define AST_FORMAT_SIREN7   (1ULL << 13)

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

Definition at line 63 of file include/asterisk/format_compatibility.h.

AST_FORMAT_SLIN

#define AST_FORMAT_SLIN   (1ULL << 6)

Raw 16-bit Signed Linear (8000 Hz) PCM

Definition at line 49 of file include/asterisk/format_compatibility.h.

AST_FORMAT_SLIN16

#define AST_FORMAT_SLIN16   (1ULL << 15)

Raw 16-bit Signed Linear (16000 Hz) PCM

Definition at line 67 of file include/asterisk/format_compatibility.h.

AST_FORMAT_SPEEX

#define AST_FORMAT_SPEEX   (1ULL << 9)

SpeeX Free Compression

Definition at line 55 of file include/asterisk/format_compatibility.h.

AST_FORMAT_SPEEX16

#define AST_FORMAT_SPEEX16   (1ULL << 33)

SpeeX Wideband (16kHz) Free Compression

Definition at line 71 of file include/asterisk/format_compatibility.h.

AST_FORMAT_T140

#define AST_FORMAT_T140   (1ULL << 27)

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

Definition at line 95 of file include/asterisk/format_compatibility.h.

AST_FORMAT_T140_RED

#define AST_FORMAT_T140_RED   (1ULL << 26)

T.140 RED Text format RFC 4103

Definition at line 93 of file include/asterisk/format_compatibility.h.

AST_FORMAT_ULAW

#define AST_FORMAT_ULAW   (1ULL << 2)

Raw mu-law data (G.711)

Definition at line 41 of file include/asterisk/format_compatibility.h.

AST_FORMAT_VP8

#define AST_FORMAT_VP8   (1ULL << 23)

VP8 Video

Definition at line 87 of file include/asterisk/format_compatibility.h.

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)

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 169 of file main/format_compatibility.c.

{
    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;
 
    /*! 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;
}

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_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().

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 104 of file main/format_compatibility.c.

{
    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_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;
}

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_ulaw, AST_FORMAT_ULAW, ast_format_vp8, AST_FORMAT_VP8, and ast_codec::id.

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.

{
    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_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;
}

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_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(), and socket_process_helper().