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Diffstat (limited to 'src/modules/module-rtp/rtp.h')
| -rw-r--r-- | src/modules/module-rtp/rtp.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/modules/module-rtp/rtp.h b/src/modules/module-rtp/rtp.h new file mode 100644 index 0000000..92ff364 --- /dev/null +++ b/src/modules/module-rtp/rtp.h @@ -0,0 +1,78 @@ +/* PipeWire + * + * Copyright © 2022 Wim Taymans <wim.taymans@gmail.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#ifndef PIPEWIRE_RTP_H +#define PIPEWIRE_RTP_H + +#ifdef __cplusplus +extern "C" { +#endif + +struct rtp_header { +#if __BYTE_ORDER == __LITTLE_ENDIAN + unsigned cc:4; + unsigned x:1; + unsigned p:1; + unsigned v:2; + + unsigned pt:7; + unsigned m:1; +#elif __BYTE_ORDER == __BIG_ENDIAN + unsigned v:2; + unsigned p:1; + unsigned x:1; + unsigned cc:4; + + unsigned m:1; + unsigned pt:7; +#else +#error "Unknown byte order" +#endif + uint16_t sequence_number; + uint32_t timestamp; + uint32_t ssrc; + uint32_t csrc[0]; +} __attribute__ ((packed)); + +struct rtp_payload { +#if __BYTE_ORDER == __LITTLE_ENDIAN + unsigned frame_count:4; + unsigned rfa0:1; + unsigned is_last_fragment:1; + unsigned is_first_fragment:1; + unsigned is_fragmented:1; +#elif __BYTE_ORDER == __BIG_ENDIAN + unsigned is_fragmented:1; + unsigned is_first_fragment:1; + unsigned is_last_fragment:1; + unsigned rfa0:1; + unsigned frame_count:4; +#endif +} __attribute__ ((packed)); + +#ifdef __cplusplus +} +#endif + +#endif /* PIPEWIRE_RTP_H */ |