Unified · Split
| @@ -1,6 +1,7 @@ | |||
| 1 | /* | 1 | /* |
| 2 | * RTP Depacketization of Opus, RFC 7587 | 2 | * RTP Depacketization of Opus, RFC 7587 |
| 3 | * Copyright (c) 2025 Jonathan Baudanza <jon@jonb.org> | 3 | * Copyright (c) 2025 Jonathan Baudanza <jon@jonb.org> |
| 4 | * Copyright (c) 2022 Erik Linge | ||
| 4 | * | 5 | * |
| 5 | * This file is part of FFmpeg. | 6 | * This file is part of FFmpeg. |
| 6 | * | 7 | * |
| @@ -21,6 +22,7 @@ · 14 unmodified lines | |||
| 21 | 22 | ||
| 22 | #include "libavcodec/bytestream.h" | 23 | #include "libavcodec/bytestream.h" |
| 23 | #include "libavutil/mem.h" | 24 | #include "libavutil/mem.h" |
| 25 | #include "libavutil/avstring.h" | ||
| 24 | #include "rtpdec_formats.h" | 26 | #include "rtpdec_formats.h" |
| 25 | #include "internal.h" | 27 | #include "internal.h" |
| 26 | 28 | ||
| @@ -108,10 +110,42 @@ static int opus_parse_packet(AVFormatContext *ctx, PayloadContext *data, · 81 unmodified lines | |||
| 108 | return 0; | 110 | return 0; |
| 109 | } | 111 | } |
| 110 | 112 | ||
| 113 | static int parse_fmtp(AVFormatContext *s, | ||
| 114 | AVStream *stream, PayloadContext *data, | ||
| 115 | const char *attr, const char *value) | ||
| 116 | { | ||
| 117 | if (!strcmp(attr, "sprop-maxcapturerate")) { | ||
| 118 | int rate = atoi(value); | ||
| 119 | if (rate < 8000 || rate > 48000) { | ||
| 120 | av_log(s, AV_LOG_ERROR, | ||
| 121 | "fmtp field 'sprop-maxcapturerate' must be between 8000 to 48000 (provided value: %s)", | ||
| 122 | value); | ||
| 123 | return AVERROR_INVALIDDATA; | ||
| 124 | } | ||
| 125 | stream->codecpar->sample_rate = rate; | ||
| 126 | } | ||
| 127 | return 0; | ||
| 128 | } | ||
| 129 | |||
| 130 | static int opus_parse_sdp_line(AVFormatContext *s, int st_index, | ||
| 131 | PayloadContext *data, const char *line) | ||
| 132 | { | ||
| 133 | const char *p; | ||
| 134 | |||
| 135 | if (st_index < 0) | ||
| 136 | return 0; | ||
| 137 | |||
| 138 | if (av_strstart(line, "fmtp:", &p)) { | ||
| 139 | return ff_parse_fmtp(s, s->streams[st_index], data, p, parse_fmtp); | ||
| 140 | } | ||
| 141 | return 0; | ||
| 142 | } | ||
| 143 | |||
| 111 | const RTPDynamicProtocolHandler ff_opus_dynamic_handler = { | 144 | const RTPDynamicProtocolHandler ff_opus_dynamic_handler = { |
| 112 | .enc_name = "opus", | 145 | .enc_name = "opus", |
| 113 | .codec_type = AVMEDIA_TYPE_AUDIO, | 146 | .codec_type = AVMEDIA_TYPE_AUDIO, |
| 114 | .codec_id = AV_CODEC_ID_OPUS, | 147 | .codec_id = AV_CODEC_ID_OPUS, |
| 115 | .parse_packet = opus_parse_packet, | 148 | .parse_packet = opus_parse_packet, |
| 116 | .init = opus_init, | 149 | .init = opus_init, |
| 150 | .parse_sdp_a_line = opus_parse_sdp_line, | ||
| 117 | }; | 151 | }; |