| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * RTP packetizer for VP9 payload format (draft version 02) - experimental | ||
| 3 | * Copyright (c) 2016 Thomas Volkert <thomas@netzeal.de> | ||
| 4 | * | ||
| 5 | * This file is part of FFmpeg. | ||
| 6 | * | ||
| 7 | * FFmpeg is free software; you can redistribute it and/or | ||
| 8 | * modify it under the terms of the GNU Lesser General Public | ||
| 9 | * License as published by the Free Software Foundation; either | ||
| 10 | * version 2.1 of the License, or (at your option) any later version. | ||
| 11 | * | ||
| 12 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 15 | * Lesser General Public License for more details. | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU Lesser General Public | ||
| 18 | * License along with FFmpeg; if not, write to the Free Software | ||
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 20 | */ | ||
| 21 | |||
| 22 | #include "rtpenc.h" | ||
| 23 | |||
| 24 | #define RTP_VP9_DESC_REQUIRED_SIZE 1 | ||
| 25 | |||
| 26 | ✗ | void ff_rtp_send_vp9(AVFormatContext *ctx, const uint8_t *buf, int size) | |
| 27 | { | ||
| 28 | ✗ | RTPMuxContext *rtp_ctx = ctx->priv_data; | |
| 29 | int len; | ||
| 30 | |||
| 31 | ✗ | rtp_ctx->timestamp = rtp_ctx->cur_timestamp; | |
| 32 | ✗ | rtp_ctx->buf_ptr = rtp_ctx->buf; | |
| 33 | |||
| 34 | /* mark the first fragment */ | ||
| 35 | ✗ | *rtp_ctx->buf_ptr++ = 0x08; | |
| 36 | |||
| 37 | ✗ | while (size > 0) { | |
| 38 | ✗ | len = FFMIN(size, rtp_ctx->max_payload_size - RTP_VP9_DESC_REQUIRED_SIZE); | |
| 39 | |||
| 40 | ✗ | if (len == size) { | |
| 41 | /* mark the last fragment */ | ||
| 42 | ✗ | rtp_ctx->buf[0] |= 0x04; | |
| 43 | } | ||
| 44 | |||
| 45 | ✗ | memcpy(rtp_ctx->buf_ptr, buf, len); | |
| 46 | ✗ | ff_rtp_send_data(ctx, rtp_ctx->buf, len + RTP_VP9_DESC_REQUIRED_SIZE, size == len); | |
| 47 | |||
| 48 | ✗ | size -= len; | |
| 49 | ✗ | buf += len; | |
| 50 | |||
| 51 | /* clear the end bit */ | ||
| 52 | ✗ | rtp_ctx->buf[0] &= ~0x08; | |
| 53 | } | ||
| 54 | ✗ | } | |
| 55 |