diff options
Diffstat (limited to 'libavformat/riff.c')
| -rw-r--r-- | libavformat/riff.c | 56 |
1 files changed, 47 insertions, 9 deletions
diff --git a/libavformat/riff.c b/libavformat/riff.c index 27f45b91d9..060eaa0728 100644 --- a/libavformat/riff.c +++ b/libavformat/riff.c @@ -2,20 +2,20 @@ * RIFF codec tags * Copyright (c) 2000 Fabrice Bellard * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -172,9 +172,11 @@ const AVCodecTag ff_codec_bmp_tags[] = { { CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, { CODEC_ID_RAWVIDEO, MKTAG('P', '4', '2', '2') }, { CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', '1', '2') }, + { CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', '1', '6') }, { CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'V', 'Y') }, { CODEC_ID_RAWVIDEO, MKTAG('V', 'Y', 'U', 'Y') }, { CODEC_ID_RAWVIDEO, MKTAG('I', 'Y', 'U', 'V') }, + { CODEC_ID_RAWVIDEO, MKTAG('Y', '8', ' ', ' ') }, { CODEC_ID_RAWVIDEO, MKTAG('Y', '8', '0', '0') }, { CODEC_ID_RAWVIDEO, MKTAG('H', 'D', 'Y', 'C') }, { CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', 'U', '9') }, @@ -329,6 +331,14 @@ const AVCodecTag ff_codec_wav_tags[] = { { CODEC_ID_NONE, 0 }, }; +const AVCodecGuid ff_codec_wav_guids[] = { + {CODEC_ID_AC3, {0x2C,0x80,0x6D,0xE0,0x46,0xDB,0xCF,0x11,0xB4,0xD1,0x00,0x80,0x5F,0x6C,0xBB,0xEA}}, + {CODEC_ID_ATRAC3P, {0xBF,0xAA,0x23,0xE9,0x58,0xCB,0x71,0x44,0xA1,0x19,0xFF,0xFA,0x01,0xE4,0xCE,0x62}}, + {CODEC_ID_EAC3, {0xAF,0x87,0xFB,0xA7,0x02,0x2D,0xFB,0x42,0xA4,0xD4,0x05,0xCD,0x93,0x84,0x3B,0xDD}}, + {CODEC_ID_MP2, {0x2B,0x80,0x6D,0xE0,0x46,0xDB,0xCF,0x11,0xB4,0xD1,0x00,0x80,0x5F,0x6C,0xBB,0xEA}}, + {CODEC_ID_NONE} +}; + #if CONFIG_MUXERS int64_t ff_start_tag(AVIOContext *pb, const char *tag) { @@ -437,7 +447,7 @@ int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc) if(waveformatextensible) { /* write WAVEFORMATEXTENSIBLE extensions */ hdrsize += 22; avio_wl16(pb, riff_extradata - riff_extradata_start + 22); /* 22 is WAVEFORMATEXTENSIBLE size */ - avio_wl16(pb, enc->bits_per_coded_sample); /* ValidBitsPerSample || SamplesPerBlock || Reserved */ + avio_wl16(pb, bps); /* ValidBitsPerSample || SamplesPerBlock || Reserved */ avio_wl32(pb, enc->channel_layout); /* dwChannelMask */ avio_wl32(pb, enc->codec_tag); /* GUID + next 3 */ avio_wl32(pb, 0x00100000); @@ -494,7 +504,6 @@ int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size) id = avio_rl16(pb); codec->codec_type = AVMEDIA_TYPE_AUDIO; - codec->codec_tag = id; codec->channels = avio_rl16(pb); codec->sample_rate = avio_rl32(pb); codec->bit_rate = avio_rl32(pb) * 8; @@ -503,15 +512,29 @@ int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size) codec->bits_per_coded_sample = 8; }else codec->bits_per_coded_sample = avio_rl16(pb); + if (id == 0xFFFE) { + codec->codec_tag = 0; + } else { + codec->codec_tag = id; + codec->codec_id = ff_wav_codec_get_id(id, codec->bits_per_coded_sample); + } if (size >= 18) { /* We're obviously dealing with WAVEFORMATEX */ int cbSize = avio_rl16(pb); /* cbSize */ size -= 18; cbSize = FFMIN(size, cbSize); if (cbSize >= 22 && id == 0xfffe) { /* WAVEFORMATEXTENSIBLE */ + ff_asf_guid subformat; codec->bits_per_coded_sample = avio_rl16(pb); codec->channel_layout = avio_rl32(pb); /* dwChannelMask */ - id = avio_rl32(pb); /* 4 first bytes of GUID */ - avio_skip(pb, 12); /* skip end of GUID */ + ff_get_guid(pb, &subformat); + if (!memcmp(subformat + 4, (const uint8_t[]){FF_MEDIASUBTYPE_BASE_GUID}, 12)) { + codec->codec_tag = AV_RL32(subformat); + codec->codec_id = ff_wav_codec_get_id(codec->codec_tag, codec->bits_per_coded_sample); + } else { + codec->codec_id = ff_codec_guid_get_id(ff_codec_wav_guids, subformat); + if (!codec->codec_id) + av_log(codec, AV_LOG_WARNING, "unknown subformat:"FF_PRI_GUID"\n", FF_ARG_GUID(subformat)); + } cbSize -= 22; size -= 22; } @@ -529,7 +552,6 @@ int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size) if (size > 0) avio_skip(pb, size); } - codec->codec_id = ff_wav_codec_get_id(id, codec->bits_per_coded_sample); if (codec->codec_id == CODEC_ID_AAC_LATM) { /* channels and sample_rate values are those prior to applying SBR and/or PS */ codec->channels = 0; @@ -599,3 +621,19 @@ void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssiz *au_scale /= gcd; *au_rate /= gcd; } + +void ff_get_guid(AVIOContext *s, ff_asf_guid *g) +{ + assert(sizeof(*g) == 16); + avio_read(s, *g, sizeof(*g)); +} + +enum CodecID ff_codec_guid_get_id(const AVCodecGuid *guids, ff_asf_guid guid) +{ + int i; + for (i = 0; guids[i].id != CODEC_ID_NONE; i++) { + if (!ff_guidcmp(guids[i].guid, guid)) + return guids[i].id; + } + return CODEC_ID_NONE; +} |