sdp.h

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#pragma once
 
#include <smolrtsp/priv/compiler_attrs.h>
#include <smolrtsp/writer.h>
 
#include <slice99.h>
 
typedef char SmolRTSP_SdpType;
 
typedef struct {
    SmolRTSP_SdpType ty;
 
    CharSlice99 value;
} SmolRTSP_SdpLine;
 
ssize_t SmolRTSP_SdpLine_serialize(
    const SmolRTSP_SdpLine *restrict self,
    SmolRTSP_Writer w) SMOLRTSP_PRIV_MUST_USE;
 
ssize_t smolrtsp_sdp_printf(
    SmolRTSP_Writer w, SmolRTSP_SdpType ty, const char *restrict fmt,
    ...) SMOLRTSP_PRIV_MUST_USE SMOLRTSP_PRIV_GCC_ATTR(format(printf, 3, 4));
 
#define SMOLRTSP_SDP_DESCRIBE(ret, w, ...)                                     \
    SMOLRTSP_PRIV_SDP_DESCRIBE(ret, w, __VA_ARGS__)
 
#ifndef DOXYGEN_IGNORE
 
#include <metalang99.h>
 
#define SMOLRTSP_PRIV_SDP_DESCRIBE(ret, w, ...)                                \
    do {                                                                       \
        ssize_t smolrtsp_priv_sdp_ret = 0;                                     \
        ML99_EVAL(ML99_variadicsForEach(                                       \
            ML99_compose(                                                      \
                ML99_appl(v(SMOLRTSP_PRIV_genSdpPrintf), v(ret, w)),           \
                v(ML99_untuple)),                                              \
            v(__VA_ARGS__)))                                                   \
    } while (0)
 
#define SMOLRTSP_PRIV_genSdpPrintf_IMPL(ret, w, ty, ...)                       \
    v({                                                                        \
        smolrtsp_priv_sdp_ret = smolrtsp_sdp_printf(w, ty, __VA_ARGS__);       \
        if (smolrtsp_priv_sdp_ret < 0) {                                       \
            break;                                                             \
        }                                                                      \
        ret += smolrtsp_priv_sdp_ret;                                          \
    })
 
#define SMOLRTSP_PRIV_genSdpPrintf_ARITY 2
 
#endif // DOXYGEN_IGNORE
 
#define SMOLRTSP_SDP_VERSION 'v'
 
#define SMOLRTSP_SDP_ORIGIN 'o'
 
#define SMOLRTSP_SDP_SESSION_NAME 's'
 
#define SMOLRTSP_SDP_INFO 'i'
 
#define SMOLRTSP_SDP_URI 'u'
 
#define SMOLRTSP_SDP_EMAIL 'e'
 
#define SMOLRTSP_SDP_PHONE 'p'
 
#define SMOLRTSP_SDP_CONNECTION 'c'
 
#define SMOLRTSP_SDP_BANDWIDTH 'b'
 
#define SMOLRTSP_SDP_TIME 't'
 
#define SMOLRTSP_SDP_REPEAT 'r'
 
#define SMOLRTSP_SDP_TIME_ZONES 'z'
 
#define SMOLRTSP_SDP_ENCRYPTION_KEYS 'k'
 
#define SMOLRTSP_SDP_ATTR 'a'
 
#define SMOLRTSP_SDP_MEDIA 'm'