/*
- * RIFF codec tags
+ * RIFF common functions and data
* Copyright (c) 2000 Fabrice Bellard
*
* This file is part of Libav.
#include "riff.h"
#include "libavcodec/bytestream.h"
-/* Note: when encoding, the first matching tag is used, so order is
- important if multiple tags possible for a given codec. */
+/* Note: When encoding, the first matching tag is used, so order is
+ * important if multiple tags are possible for a given codec. */
const AVCodecTag ff_codec_bmp_tags[] = {
{ AV_CODEC_ID_H264, MKTAG('H', '2', '6', '4') },
{ AV_CODEC_ID_H264, MKTAG('h', '2', '6', '4') },
{ AV_CODEC_ID_H263, MKTAG('Z', 'y', 'G', 'o') },
{ AV_CODEC_ID_H263, MKTAG('M', '2', '6', '3') },
{ AV_CODEC_ID_H263P, MKTAG('H', '2', '6', '3') },
- { AV_CODEC_ID_H263I, MKTAG('I', '2', '6', '3') }, /* intel h263 */
+ { AV_CODEC_ID_H263I, MKTAG('I', '2', '6', '3') }, /* Intel H.263 */
{ AV_CODEC_ID_H261, MKTAG('H', '2', '6', '1') },
{ AV_CODEC_ID_H263P, MKTAG('U', '2', '6', '3') },
{ AV_CODEC_ID_H263P, MKTAG('v', 'i', 'v', '1') },
{ AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
{ AV_CODEC_ID_MPEG4, MKTAG('M', 'P', '4', 'S') },
{ AV_CODEC_ID_MPEG4, MKTAG('M', '4', 'S', '2') },
- { AV_CODEC_ID_MPEG4, MKTAG( 4 , 0 , 0 , 0 ) }, /* some broken avi use this */
+ /* some broken AVIs use this */
+ { AV_CODEC_ID_MPEG4, MKTAG( 4 , 0 , 0 , 0 ) },
+ /* some broken AVIs use this */
+ { AV_CODEC_ID_MPEG4, MKTAG('Z', 'M', 'P', '4') },
{ AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', '1') },
{ AV_CODEC_ID_MPEG4, MKTAG('B', 'L', 'Z', '0') },
{ AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
{ AV_CODEC_ID_MPEG4, MKTAG('S', 'E', 'D', 'G') },
{ AV_CODEC_ID_MPEG4, MKTAG('R', 'M', 'P', '4') },
{ AV_CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') },
- { AV_CODEC_ID_MPEG4, MKTAG('W', 'A', 'W', 'V') }, /* WaWv MPEG-4 Video Codec */
+ /* WaWv MPEG-4 Video Codec */
+ { AV_CODEC_ID_MPEG4, MKTAG('W', 'A', 'W', 'V') },
{ AV_CODEC_ID_MPEG4, MKTAG('F', 'F', 'D', 'S') },
{ AV_CODEC_ID_MPEG4, MKTAG('F', 'V', 'F', 'W') },
{ AV_CODEC_ID_MPEG4, MKTAG('D', 'C', 'O', 'D') },
{ AV_CODEC_ID_MPEG4, MKTAG('V', 'I', 'D', 'M') },
{ AV_CODEC_ID_MPEG4, MKTAG('M', '4', 'T', '3') },
{ AV_CODEC_ID_MPEG4, MKTAG('G', 'E', 'O', 'X') },
- { AV_CODEC_ID_MPEG4, MKTAG('H', 'D', 'X', '4') }, /* flipped video */
+ /* flipped video */
+ { AV_CODEC_ID_MPEG4, MKTAG('H', 'D', 'X', '4') },
{ AV_CODEC_ID_MPEG4, MKTAG('D', 'M', 'K', '2') },
{ AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'G', 'I') },
{ AV_CODEC_ID_MPEG4, MKTAG('I', 'N', 'M', 'C') },
- { AV_CODEC_ID_MPEG4, MKTAG('E', 'P', 'H', 'V') }, /* Ephv MPEG-4 */
+ /* Ephv MPEG-4 */
+ { AV_CODEC_ID_MPEG4, MKTAG('E', 'P', 'H', 'V') },
{ AV_CODEC_ID_MPEG4, MKTAG('E', 'M', '4', 'A') },
- { AV_CODEC_ID_MPEG4, MKTAG('M', '4', 'C', 'C') }, /* Divio MPEG-4 */
+ /* Divio MPEG-4 */
+ { AV_CODEC_ID_MPEG4, MKTAG('M', '4', 'C', 'C') },
{ AV_CODEC_ID_MPEG4, MKTAG('S', 'N', '4', '0') },
{ AV_CODEC_ID_MPEG4, MKTAG('V', 'S', 'P', 'X') },
{ AV_CODEC_ID_MPEG4, MKTAG('U', 'L', 'D', 'X') },
{ AV_CODEC_ID_MPEG4, MKTAG('G', 'E', 'O', 'V') },
- { AV_CODEC_ID_MPEG4, MKTAG('S', 'I', 'P', 'P') }, /* Samsung SHR-6040 */
+ /* Samsung SHR-6040 */
+ { AV_CODEC_ID_MPEG4, MKTAG('S', 'I', 'P', 'P') },
{ AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'X') },
{ AV_CODEC_ID_MPEG4, MKTAG('D', 'r', 'e', 'X') },
{ AV_CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', '4', '3') },
{ AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'l') },
{ AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '2', '5') },
{ AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', '0') },
- { AV_CODEC_ID_DVVIDEO, MKTAG('c', 'd', 'v', 'c') }, /* Canopus DV */
- { AV_CODEC_ID_DVVIDEO, MKTAG('C', 'D', 'V', 'H') }, /* Canopus DV */
- { AV_CODEC_ID_DVVIDEO, MKTAG('C', 'D', 'V', '5') }, /* Canopus DV */
+ /* Canopus DV */
+ { AV_CODEC_ID_DVVIDEO, MKTAG('c', 'd', 'v', 'c') },
+ /* Canopus DV */
+ { AV_CODEC_ID_DVVIDEO, MKTAG('C', 'D', 'V', 'H') },
+ /* Canopus DV */
+ { AV_CODEC_ID_DVVIDEO, MKTAG('C', 'D', 'V', '5') },
{ AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') },
{ AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 's') },
{ AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
{ AV_CODEC_ID_MPEG4, MKTAG( 4 , 0 , 0 , 16) },
{ AV_CODEC_ID_MPEG2VIDEO, MKTAG('D', 'V', 'R', ' ') },
{ AV_CODEC_ID_MPEG2VIDEO, MKTAG('M', 'M', 'E', 'S') },
- { AV_CODEC_ID_MPEG2VIDEO, MKTAG('L', 'M', 'P', '2') }, /* Lead MPEG2 in avi */
+ /* Lead MPEG-2 in AVI */
+ { AV_CODEC_ID_MPEG2VIDEO, MKTAG('L', 'M', 'P', '2') },
{ AV_CODEC_ID_MPEG2VIDEO, MKTAG('s', 'l', 'i', 'f') },
{ AV_CODEC_ID_MPEG2VIDEO, MKTAG('E', 'M', '2', 'V') },
- { AV_CODEC_ID_MPEG2VIDEO, MKTAG('M', '7', '0', '1') }, /* Matrox MPEG2 intra-only */
+ /* Matrox MPEG-2 intra-only */
+ { AV_CODEC_ID_MPEG2VIDEO, MKTAG('M', '7', '0', '1') },
{ AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', 'g', 'v') },
{ AV_CODEC_ID_MJPEG, MKTAG('M', 'J', 'P', 'G') },
{ AV_CODEC_ID_MJPEG, MKTAG('L', 'J', 'P', 'G') },
{ AV_CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') },
{ AV_CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') },
{ AV_CODEC_ID_LJPEG, MKTAG('L', 'J', 'P', 'G') },
- { AV_CODEC_ID_MJPEG, MKTAG('J', 'P', 'G', 'L') }, /* Pegasus lossless JPEG */
- { AV_CODEC_ID_JPEGLS, MKTAG('M', 'J', 'L', 'S') }, /* JPEG-LS custom FOURCC for avi - encoder */
+ /* Pegasus lossless JPEG */
+ { AV_CODEC_ID_MJPEG, MKTAG('J', 'P', 'G', 'L') },
+ /* JPEG-LS custom FOURCC for AVI - encoder */
+ { AV_CODEC_ID_JPEGLS, MKTAG('M', 'J', 'L', 'S') },
{ AV_CODEC_ID_JPEGLS, MKTAG('M', 'J', 'P', 'G') },
- { AV_CODEC_ID_MJPEG, MKTAG('M', 'J', 'L', 'S') }, /* JPEG-LS custom FOURCC for avi - decoder */
+ /* JPEG-LS custom FOURCC for AVI - decoder */
+ { AV_CODEC_ID_MJPEG, MKTAG('M', 'J', 'L', 'S') },
{ AV_CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') },
{ AV_CODEC_ID_MJPEG, MKTAG('I', 'J', 'P', 'G') },
{ AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') },
{ AV_CODEC_ID_MJPEG, MKTAG('A', 'C', 'D', 'V') },
{ AV_CODEC_ID_MJPEG, MKTAG('Q', 'I', 'V', 'G') },
- { AV_CODEC_ID_MJPEG, MKTAG('S', 'L', 'M', 'J') }, /* SL M-JPEG */
- { AV_CODEC_ID_MJPEG, MKTAG('C', 'J', 'P', 'G') }, /* Creative Webcam JPEG */
- { AV_CODEC_ID_MJPEG, MKTAG('I', 'J', 'L', 'V') }, /* Intel JPEG Library Video Codec */
- { AV_CODEC_ID_MJPEG, MKTAG('M', 'V', 'J', 'P') }, /* Midvid JPEG Video Codec */
+ /* SL M-JPEG */
+ { AV_CODEC_ID_MJPEG, MKTAG('S', 'L', 'M', 'J') },
+ /* Creative Webcam JPEG */
+ { AV_CODEC_ID_MJPEG, MKTAG('C', 'J', 'P', 'G') },
+ /* Intel JPEG Library Video Codec */
+ { AV_CODEC_ID_MJPEG, MKTAG('I', 'J', 'L', 'V') },
+ /* Midvid JPEG Video Codec */
+ { AV_CODEC_ID_MJPEG, MKTAG('M', 'V', 'J', 'P') },
{ AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'I', '1') },
{ AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'I', '2') },
{ AV_CODEC_ID_MJPEG, MKTAG('M', 'T', 'S', 'J') },
- { AV_CODEC_ID_MJPEG, MKTAG('Z', 'J', 'P', 'G') }, /* Paradigm Matrix M-JPEG Codec */
+ /* Paradigm Matrix M-JPEG Codec */
+ { AV_CODEC_ID_MJPEG, MKTAG('Z', 'J', 'P', 'G') },
{ AV_CODEC_ID_MJPEG, MKTAG('M', 'M', 'J', 'P') },
{ AV_CODEC_ID_HUFFYUV, MKTAG('H', 'F', 'Y', 'U') },
{ AV_CODEC_ID_FFVHUFF, MKTAG('F', 'F', 'V', 'H') },
{ AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '8', ' ', ' ') },
{ AV_CODEC_ID_RAWVIDEO, MKTAG('H', 'D', 'Y', 'C') },
{ AV_CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', 'U', '9') },
- { AV_CODEC_ID_RAWVIDEO, MKTAG('V', 'D', 'T', 'Z') }, /* SoftLab-NSK VideoTizer */
+ /* SoftLab-NSK VideoTizer */
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('V', 'D', 'T', 'Z') },
{ AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '1', '1') },
{ AV_CODEC_ID_RAWVIDEO, MKTAG('N', 'V', '1', '2') },
{ AV_CODEC_ID_RAWVIDEO, MKTAG('N', 'V', '2', '1') },
{ AV_CODEC_ID_TRUEMOTION1, MKTAG('P', 'V', 'E', 'Z') },
{ AV_CODEC_ID_MSZH, MKTAG('M', 'S', 'Z', 'H') },
{ AV_CODEC_ID_ZLIB, MKTAG('Z', 'L', 'I', 'B') },
- { AV_CODEC_ID_SNOW, MKTAG('S', 'N', 'O', 'W') },
{ AV_CODEC_ID_4XM, MKTAG('4', 'X', 'M', 'V') },
{ AV_CODEC_ID_FLV1, MKTAG('F', 'L', 'V', '1') },
{ AV_CODEC_ID_FLASHSV, MKTAG('F', 'S', 'V', '1') },
{ AV_CODEC_ID_TSCC2, MKTAG('T', 'S', 'C', '2') },
{ AV_CODEC_ID_MTS2, MKTAG('M', 'T', 'S', '2') },
{ AV_CODEC_ID_CLLC, MKTAG('C', 'L', 'L', 'C') },
+ { AV_CODEC_ID_MSS2, MKTAG('M', 'S', 'S', '2') },
+ { AV_CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') },
{ AV_CODEC_ID_NONE, 0 }
};
const AVCodecTag ff_codec_wav_tags[] = {
{ AV_CODEC_ID_PCM_S16LE, 0x0001 },
- { AV_CODEC_ID_PCM_U8, 0x0001 }, /* must come after s16le in this list */
+ /* must come after s16le in this list */
+ { AV_CODEC_ID_PCM_U8, 0x0001 },
{ AV_CODEC_ID_PCM_S24LE, 0x0001 },
{ AV_CODEC_ID_PCM_S32LE, 0x0001 },
{ AV_CODEC_ID_ADPCM_MS, 0x0002 },
{ AV_CODEC_ID_PCM_F32LE, 0x0003 },
- { AV_CODEC_ID_PCM_F64LE, 0x0003 }, /* must come after f32le in this list */
+ /* must come after f32le in this list */
+ { AV_CODEC_ID_PCM_F64LE, 0x0003 },
{ AV_CODEC_ID_PCM_ALAW, 0x0006 },
{ AV_CODEC_ID_PCM_MULAW, 0x0007 },
{ AV_CODEC_ID_WMAVOICE, 0x000A },
{ AV_CODEC_ID_ADPCM_IMA_WAV, 0x0011 },
- { AV_CODEC_ID_PCM_ZORK, 0x0011 }, /* must come after adpcm_ima_wav in this list */
+ /* must come after adpcm_ima_wav in this list */
+ { AV_CODEC_ID_PCM_ZORK, 0x0011 },
{ AV_CODEC_ID_ADPCM_YAMAHA, 0x0020 },
{ AV_CODEC_ID_TRUESPEECH, 0x0022 },
{ AV_CODEC_ID_GSM_MS, 0x0031 },
{ AV_CODEC_ID_MP3, 0x0055 },
{ AV_CODEC_ID_AMR_NB, 0x0057 },
{ AV_CODEC_ID_AMR_WB, 0x0058 },
- { AV_CODEC_ID_ADPCM_IMA_DK4, 0x0061 }, /* rogue format number */
- { AV_CODEC_ID_ADPCM_IMA_DK3, 0x0062 }, /* rogue format number */
+ /* rogue format number */
+ { AV_CODEC_ID_ADPCM_IMA_DK4, 0x0061 },
+ /* rogue format number */
+ { AV_CODEC_ID_ADPCM_IMA_DK3, 0x0062 },
{ AV_CODEC_ID_ADPCM_IMA_WAV, 0x0069 },
{ AV_CODEC_ID_VOXWARE, 0x0075 },
{ AV_CODEC_ID_AAC, 0x00ff },
{ AV_CODEC_ID_IAC, 0x0402 },
{ AV_CODEC_ID_GSM_MS, 0x1500 },
{ AV_CODEC_ID_TRUESPEECH, 0x1501 },
- { AV_CODEC_ID_AAC, 0x1600 }, /* ADTS AAC */
+ /* ADTS AAC */
+ { AV_CODEC_ID_AAC, 0x1600 },
{ AV_CODEC_ID_AAC_LATM, 0x1602 },
{ AV_CODEC_ID_AC3, 0x2000 },
{ AV_CODEC_ID_DTS, 0x2001 },
{ AV_CODEC_ID_AAC, 0x4143 },
{ AV_CODEC_ID_SPEEX, 0xA109 },
{ AV_CODEC_ID_FLAC, 0xF1AC },
- { AV_CODEC_ID_ADPCM_SWF, ('S'<<8)+'F' },
- { AV_CODEC_ID_VORBIS, ('V'<<8)+'o' }, //HACK/FIXME, does vorbis in WAV/AVI have an (in)official id?
-
- /* FIXME: All of the IDs below are not 16 bit and thus illegal. */
- // for NuppelVideo (nuv.c)
- { AV_CODEC_ID_PCM_S16LE, MKTAG('R', 'A', 'W', 'A') },
- { AV_CODEC_ID_MP3, MKTAG('L', 'A', 'M', 'E') },
- { AV_CODEC_ID_MP3, MKTAG('M', 'P', '3', ' ') },
+ { AV_CODEC_ID_ADPCM_SWF, ('S' << 8) + 'F' },
+ /* HACK/FIXME: Does Vorbis in WAV/AVI have an (in)official ID? */
+ { AV_CODEC_ID_VORBIS, ('V' << 8) + 'o' },
{ AV_CODEC_ID_NONE, 0 },
};
+const AVCodecGuid ff_codec_wav_guids[] = {
+ { AV_CODEC_ID_AC3, { 0x2C, 0x80, 0x6D, 0xE0, 0x46, 0xDB, 0xCF, 0x11, 0xB4, 0xD1, 0x00, 0x80, 0x5F, 0x6C, 0xBB, 0xEA } },
+ { AV_CODEC_ID_ATRAC3P, { 0xBF, 0xAA, 0x23, 0xE9, 0x58, 0xCB, 0x71, 0x44, 0xA1, 0x19, 0xFF, 0xFA, 0x01, 0xE4, 0xCE, 0x62 } },
+ { AV_CODEC_ID_EAC3, { 0xAF, 0x87, 0xFB, 0xA7, 0x02, 0x2D, 0xFB, 0x42, 0xA4, 0xD4, 0x05, 0xCD, 0x93, 0x84, 0x3B, 0xDD } },
+ { AV_CODEC_ID_MP2, { 0x2B, 0x80, 0x6D, 0xE0, 0x46, 0xDB, 0xCF, 0x11, 0xB4, 0xD1, 0x00, 0x80, 0x5F, 0x6C, 0xBB, 0xEA } },
+ { AV_CODEC_ID_NONE }
+};
+
const AVMetadataConv ff_riff_info_conv[] = {
- { "IART", "artist" },
- { "ICMT", "comment" },
- { "ICOP", "copyright" },
- { "ICRD", "date" },
- { "IGNR", "genre" },
- { "ILNG", "language" },
- { "INAM", "title" },
- { "IPRD", "album" },
- { "IPRT", "track" },
- { "ISFT", "encoder" },
- { "ITCH", "encoded_by"},
+ { "IART", "artist" },
+ { "ICMT", "comment" },
+ { "ICOP", "copyright" },
+ { "ICRD", "date" },
+ { "IGNR", "genre" },
+ { "ILNG", "language" },
+ { "INAM", "title" },
+ { "IPRD", "album" },
+ { "IPRT", "track" },
+ { "ISFT", "encoder" },
+ { "ITCH", "encoded_by" },
{ 0 },
};
-const char ff_riff_tags[][5] = {
- "IARL", "IART", "ICMS", "ICMT", "ICOP", "ICRD", "ICRP", "IDIM", "IDPI",
- "IENG", "IGNR", "IKEY", "ILGT", "ILNG", "IMED", "INAM", "IPLT", "IPRD",
- "IPRT", "ISBJ", "ISFT", "ISHP", "ISRC", "ISRF", "ITCH",
- {0}
-};
+enum AVCodecID ff_codec_guid_get_id(const AVCodecGuid *guids, ff_asf_guid guid)
+{
+ int i;
+ for (i = 0; guids[i].id != AV_CODEC_ID_NONE; i++)
+ if (!ff_guidcmp(guids[i].guid, guid))
+ return guids[i].id;
+ return AV_CODEC_ID_NONE;
+}
#if CONFIG_MUXERS
int64_t ff_start_tag(AVIOContext *pb, const char *tag)
int hdrsize = 18;
int waveformatextensible;
uint8_t temp[256];
- uint8_t *riff_extradata= temp;
- uint8_t *riff_extradata_start= temp;
+ uint8_t *riff_extradata = temp;
+ uint8_t *riff_extradata_start = temp;
- if(!enc->codec_tag || enc->codec_tag > 0xffff)
+ if (!enc->codec_tag || enc->codec_tag > 0xffff)
return -1;
/* We use the known constant frame size for the codec if known, otherwise
- fallback to using AVCodecContext.frame_size, which is not as reliable
- for indicating packet duration */
+ * fall back on using AVCodecContext.frame_size, which is not as reliable
+ * for indicating packet duration. */
frame_size = av_get_audio_frame_duration(enc, 0);
if (!frame_size)
frame_size = enc->frame_size;
- waveformatextensible = (enc->channels > 2 && enc->channel_layout)
- || enc->sample_rate > 48000
- || av_get_bits_per_sample(enc->codec_id) > 16;
+ waveformatextensible = (enc->channels > 2 && enc->channel_layout) ||
+ enc->sample_rate > 48000 ||
+ av_get_bits_per_sample(enc->codec_id) > 16;
- if (waveformatextensible) {
+ if (waveformatextensible)
avio_wl16(pb, 0xfffe);
- } else {
+ else
avio_wl16(pb, enc->codec_tag);
- }
+
avio_wl16(pb, enc->channels);
avio_wl32(pb, enc->sample_rate);
- if (enc->codec_id == AV_CODEC_ID_MP2 || enc->codec_id == AV_CODEC_ID_MP3 || enc->codec_id == AV_CODEC_ID_GSM_MS) {
+ if (enc->codec_id == AV_CODEC_ID_MP2 ||
+ enc->codec_id == AV_CODEC_ID_MP3 ||
+ enc->codec_id == AV_CODEC_ID_GSM_MS) {
bps = 0;
} else {
if (!(bps = av_get_bits_per_sample(enc->codec_id))) {
if (enc->bits_per_coded_sample)
bps = enc->bits_per_coded_sample;
else
- bps = 16; // default to 16
+ bps = 16; // default to 16
}
}
- if(bps != enc->bits_per_coded_sample && enc->bits_per_coded_sample){
- av_log(enc, AV_LOG_WARNING, "requested bits_per_coded_sample (%d) and actually stored (%d) differ\n", enc->bits_per_coded_sample, bps);
+ if (bps != enc->bits_per_coded_sample && enc->bits_per_coded_sample) {
+ av_log(enc, AV_LOG_WARNING,
+ "requested bits_per_coded_sample (%d) "
+ "and actually stored (%d) differ\n",
+ enc->bits_per_coded_sample, bps);
}
- if (enc->codec_id == AV_CODEC_ID_MP2 || enc->codec_id == AV_CODEC_ID_MP3) {
- /* this is wrong, but it seems many demuxers do not work if this is set
- correctly */
+ if (enc->codec_id == AV_CODEC_ID_MP2 ||
+ enc->codec_id == AV_CODEC_ID_MP3) {
+ /* This is wrong, but it seems many demuxers do not work if this
+ * is set correctly. */
blkalign = frame_size;
- //blkalign = 144 * enc->bit_rate/enc->sample_rate;
+ // blkalign = 144 * enc->bit_rate/enc->sample_rate;
} else if (enc->codec_id == AV_CODEC_ID_AC3) {
- blkalign = 3840; //maximum bytes per frame
+ blkalign = 3840; /* maximum bytes per frame */
} else if (enc->block_align != 0) { /* specified by the codec */
blkalign = enc->block_align;
} else
bytespersec = enc->bit_rate / 8;
}
avio_wl32(pb, bytespersec); /* bytes per second */
- avio_wl16(pb, blkalign); /* block align */
- avio_wl16(pb, bps); /* bits per sample */
+ avio_wl16(pb, blkalign); /* block align */
+ avio_wl16(pb, bps); /* bits per sample */
if (enc->codec_id == AV_CODEC_ID_MP3) {
hdrsize += 12;
bytestream_put_le16(&riff_extradata, 1); /* wID */
bytestream_put_le16(&riff_extradata, 1393); /* nCodecDelay */
} else if (enc->codec_id == AV_CODEC_ID_MP2) {
hdrsize += 22;
- bytestream_put_le16(&riff_extradata, 2); /* fwHeadLayer */
- bytestream_put_le32(&riff_extradata, enc->bit_rate); /* dwHeadBitrate */
- bytestream_put_le16(&riff_extradata, enc->channels == 2 ? 1 : 8); /* fwHeadMode */
- bytestream_put_le16(&riff_extradata, 0); /* fwHeadModeExt */
- bytestream_put_le16(&riff_extradata, 1); /* wHeadEmphasis */
- bytestream_put_le16(&riff_extradata, 16); /* fwHeadFlags */
- bytestream_put_le32(&riff_extradata, 0); /* dwPTSLow */
- bytestream_put_le32(&riff_extradata, 0); /* dwPTSHigh */
- } else if (enc->codec_id == AV_CODEC_ID_GSM_MS || enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
+ /* fwHeadLayer */
+ bytestream_put_le16(&riff_extradata, 2);
+ /* dwHeadBitrate */
+ bytestream_put_le32(&riff_extradata, enc->bit_rate);
+ /* fwHeadMode */
+ bytestream_put_le16(&riff_extradata, enc->channels == 2 ? 1 : 8);
+ /* fwHeadModeExt */
+ bytestream_put_le16(&riff_extradata, 0);
+ /* wHeadEmphasis */
+ bytestream_put_le16(&riff_extradata, 1);
+ /* fwHeadFlags */
+ bytestream_put_le16(&riff_extradata, 16);
+ /* dwPTSLow */
+ bytestream_put_le32(&riff_extradata, 0);
+ /* dwPTSHigh */
+ bytestream_put_le32(&riff_extradata, 0);
+ } else if (enc->codec_id == AV_CODEC_ID_GSM_MS ||
+ enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
hdrsize += 2;
- bytestream_put_le16(&riff_extradata, frame_size); /* wSamplesPerBlock */
- } else if(enc->extradata_size){
- riff_extradata_start= enc->extradata;
- riff_extradata= enc->extradata + enc->extradata_size;
- hdrsize += enc->extradata_size;
+ /* wSamplesPerBlock */
+ bytestream_put_le16(&riff_extradata, frame_size);
+ } else if (enc->extradata_size) {
+ riff_extradata_start = enc->extradata;
+ riff_extradata = enc->extradata + enc->extradata_size;
+ hdrsize += enc->extradata_size;
}
- if(waveformatextensible) { /* write WAVEFORMATEXTENSIBLE extensions */
+ /* write WAVEFORMATEXTENSIBLE extensions */
+ if (waveformatextensible) {
hdrsize += 22;
- avio_wl16(pb, riff_extradata - riff_extradata_start + 22); /* 22 is WAVEFORMATEXTENSIBLE size */
- avio_wl16(pb, bps); /* ValidBitsPerSample || SamplesPerBlock || Reserved */
- avio_wl32(pb, enc->channel_layout); /* dwChannelMask */
- avio_wl32(pb, enc->codec_tag); /* GUID + next 3 */
+ /* 22 is WAVEFORMATEXTENSIBLE size */
+ avio_wl16(pb, riff_extradata - riff_extradata_start + 22);
+ /* ValidBitsPerSample || SamplesPerBlock || Reserved */
+ avio_wl16(pb, bps);
+ /* dwChannelMask */
+ avio_wl32(pb, enc->channel_layout);
+ /* GUID + next 3 */
+ avio_wl32(pb, enc->codec_tag);
avio_wl32(pb, 0x00100000);
avio_wl32(pb, 0xAA000080);
avio_wl32(pb, 0x719B3800);
avio_wl16(pb, riff_extradata - riff_extradata_start); /* cbSize */
}
avio_write(pb, riff_extradata_start, riff_extradata - riff_extradata_start);
- if(hdrsize&1){
+ if (hdrsize & 1) {
hdrsize++;
avio_w8(pb, 0);
}
}
/* BITMAPINFOHEADER header */
-void ff_put_bmp_header(AVIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf)
+void ff_put_bmp_header(AVIOContext *pb, AVCodecContext *enc,
+ const AVCodecTag *tags, int for_asf)
{
- avio_wl32(pb, 40 + enc->extradata_size); /* size */
+ /* size */
+ avio_wl32(pb, 40 + enc->extradata_size);
avio_wl32(pb, enc->width);
//We always store RGB TopDown
avio_wl32(pb, enc->codec_tag ? enc->height : -enc->height);
- avio_wl16(pb, 1); /* planes */
-
- avio_wl16(pb, enc->bits_per_coded_sample ? enc->bits_per_coded_sample : 24); /* depth */
+ /* planes */
+ avio_wl16(pb, 1);
+ /* depth */
+ avio_wl16(pb, enc->bits_per_coded_sample ? enc->bits_per_coded_sample : 24);
/* compression type */
avio_wl32(pb, enc->codec_tag);
avio_wl32(pb, enc->width * enc->height * 3);
if (!for_asf && enc->extradata_size & 1)
avio_w8(pb, 0);
}
-#endif //CONFIG_MUXERS
+
+void ff_parse_specific_params(AVCodecContext *stream, int *au_rate,
+ int *au_ssize, int *au_scale)
+{
+ int gcd;
+ int audio_frame_size;
+
+ /* We use the known constant frame size for the codec if known, otherwise
+ * fall back on using AVCodecContext.frame_size, which is not as reliable
+ * for indicating packet duration. */
+ audio_frame_size = av_get_audio_frame_duration(stream, 0);
+ if (!audio_frame_size)
+ audio_frame_size = stream->frame_size;
+
+ *au_ssize = stream->block_align;
+ if (audio_frame_size && stream->sample_rate) {
+ *au_scale = audio_frame_size;
+ *au_rate = stream->sample_rate;
+ } else if (stream->codec_type == AVMEDIA_TYPE_VIDEO ||
+ stream->codec_type == AVMEDIA_TYPE_DATA ||
+ stream->codec_type == AVMEDIA_TYPE_SUBTITLE) {
+ *au_scale = stream->time_base.num;
+ *au_rate = stream->time_base.den;
+ } else {
+ *au_scale = stream->block_align ? stream->block_align * 8 : 8;
+ *au_rate = stream->bit_rate ? stream->bit_rate :
+ 8 * stream->sample_rate;
+ }
+ gcd = av_gcd(*au_scale, *au_rate);
+ *au_scale /= gcd;
+ *au_rate /= gcd;
+}
+
+void ff_riff_write_info_tag(AVIOContext *pb, const char *tag, const char *str)
+{
+ int len = strlen(str);
+ if (len > 0) {
+ len++;
+ ffio_wfourcc(pb, tag);
+ avio_wl32(pb, len);
+ avio_put_str(pb, str);
+ if (len & 1)
+ avio_w8(pb, 0);
+ }
+}
+
+static const char riff_tags[][5] = {
+ "IARL", "IART", "ICMS", "ICMT", "ICOP", "ICRD", "ICRP", "IDIM", "IDPI",
+ "IENG", "IGNR", "IKEY", "ILGT", "ILNG", "IMED", "INAM", "IPLT", "IPRD",
+ "IPRT", "ISBJ", "ISFT", "ISHP", "ISRC", "ISRF", "ITCH",
+ { 0 }
+};
+
+static int riff_has_valid_tags(AVFormatContext *s)
+{
+ int i;
+
+ for (i = 0; *riff_tags[i]; i++)
+ if (av_dict_get(s->metadata, riff_tags[i], NULL, AV_DICT_MATCH_CASE))
+ return 1;
+
+ return 0;
+}
+
+void ff_riff_write_info(AVFormatContext *s)
+{
+ AVIOContext *pb = s->pb;
+ int i;
+ int64_t list_pos;
+ AVDictionaryEntry *t = NULL;
+
+ ff_metadata_conv(&s->metadata, ff_riff_info_conv, NULL);
+
+ /* writing empty LIST is not nice and may cause problems */
+ if (!riff_has_valid_tags(s))
+ return;
+
+ list_pos = ff_start_tag(pb, "LIST");
+ ffio_wfourcc(pb, "INFO");
+ for (i = 0; *riff_tags[i]; i++)
+ if ((t = av_dict_get(s->metadata, riff_tags[i],
+ NULL, AV_DICT_MATCH_CASE)))
+ ff_riff_write_info_tag(s->pb, t->key, t->value);
+ ff_end_tag(pb, list_pos);
+}
+#endif /* CONFIG_MUXERS */
#if CONFIG_DEMUXERS
/* We could be given one of the three possible structures here:
* WAVEFORMATEX adds 'WORD cbSize' and basically makes itself
* an openended structure.
*/
+
+static void parse_waveformatex(AVIOContext *pb, AVCodecContext *c)
+{
+ ff_asf_guid subformat;
+ c->bits_per_coded_sample = avio_rl16(pb);
+ c->channel_layout = avio_rl32(pb); /* dwChannelMask */
+
+ ff_get_guid(pb, &subformat);
+ if (!memcmp(subformat + 4,
+ (const uint8_t[]){ FF_MEDIASUBTYPE_BASE_GUID }, 12)) {
+ c->codec_tag = AV_RL32(subformat);
+ c->codec_id = ff_wav_codec_get_id(c->codec_tag,
+ c->bits_per_coded_sample);
+ } else {
+ c->codec_id = ff_codec_guid_get_id(ff_codec_wav_guids, subformat);
+ if (!c->codec_id)
+ av_log(c, AV_LOG_WARNING,
+ "unknown subformat:"FF_PRI_GUID"\n",
+ FF_ARG_GUID(subformat));
+ }
+}
+
int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size)
{
int id;
- id = avio_rl16(pb);
- codec->codec_type = AVMEDIA_TYPE_AUDIO;
- codec->codec_tag = id;
- codec->channels = avio_rl16(pb);
+ id = avio_rl16(pb);
+ codec->codec_type = AVMEDIA_TYPE_AUDIO;
+ codec->channels = avio_rl16(pb);
codec->sample_rate = avio_rl32(pb);
- codec->bit_rate = avio_rl32(pb) * 8;
+ codec->bit_rate = avio_rl32(pb) * 8;
codec->block_align = avio_rl16(pb);
if (size == 14) { /* We're dealing with plain vanilla WAVEFORMAT */
codec->bits_per_coded_sample = 8;
- }else
+ } 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;
+ size -= 18;
cbSize = FFMIN(size, cbSize);
if (cbSize >= 22 && id == 0xfffe) { /* WAVEFORMATEXTENSIBLE */
- 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 */
+ parse_waveformatex(pb, codec);
cbSize -= 22;
- size -= 22;
+ size -= 22;
}
codec->extradata_size = cbSize;
if (cbSize > 0) {
av_free(codec->extradata);
- codec->extradata = av_mallocz(codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
+ codec->extradata = av_mallocz(codec->extradata_size +
+ FF_INPUT_BUFFER_PADDING_SIZE);
if (!codec->extradata)
return AVERROR(ENOMEM);
avio_read(pb, codec->extradata, codec->extradata_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 == AV_CODEC_ID_AAC_LATM) {
- /* channels and sample_rate values are those prior to applying SBR and/or PS */
+ /* Channels and sample_rate values are those prior to applying SBR
+ * and/or PS. */
codec->channels = 0;
codec->sample_rate = 0;
}
return 0;
}
-
enum AVCodecID ff_wav_codec_get_id(unsigned int tag, int bps)
{
enum AVCodecID id;
id = ff_codec_get_id(ff_codec_wav_tags, tag);
if (id <= 0)
return id;
- /* handle specific u8 codec */
- if (id == AV_CODEC_ID_PCM_S16LE && bps == 8)
- id = AV_CODEC_ID_PCM_U8;
- if (id == AV_CODEC_ID_PCM_S16LE && bps == 24)
- id = AV_CODEC_ID_PCM_S24LE;
- if (id == AV_CODEC_ID_PCM_S16LE && bps == 32)
- id = AV_CODEC_ID_PCM_S32LE;
- if (id == AV_CODEC_ID_PCM_F32LE && bps == 64)
- id = AV_CODEC_ID_PCM_F64LE;
+
+ if (id == AV_CODEC_ID_PCM_S16LE)
+ id = ff_get_pcm_codec_id(bps, 0, 0, ~1);
+ else if (id == AV_CODEC_ID_PCM_F32LE)
+ id = ff_get_pcm_codec_id(bps, 1, 0, 0);
+
if (id == AV_CODEC_ID_ADPCM_IMA_WAV && bps == 8)
id = AV_CODEC_ID_PCM_ZORK;
return id;
{
int tag1;
avio_rl32(pb); /* size */
- st->codec->width = avio_rl32(pb);
+ st->codec->width = avio_rl32(pb);
st->codec->height = (int32_t)avio_rl32(pb);
avio_rl16(pb); /* planes */
- st->codec->bits_per_coded_sample= avio_rl16(pb); /* depth */
- tag1 = avio_rl32(pb);
+ st->codec->bits_per_coded_sample = avio_rl16(pb); /* depth */
+ tag1 = avio_rl32(pb);
avio_rl32(pb); /* ImageSize */
avio_rl32(pb); /* XPelsPerMeter */
avio_rl32(pb); /* YPelsPerMeter */
avio_rl32(pb); /* ClrImportant */
return tag1;
}
-#endif // CONFIG_DEMUXERS
-
-void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale)
-{
- int gcd;
- int audio_frame_size;
-
- /* We use the known constant frame size for the codec if known, otherwise
- fallback to using AVCodecContext.frame_size, which is not as reliable
- for indicating packet duration */
- audio_frame_size = av_get_audio_frame_duration(stream, 0);
- if (!audio_frame_size)
- audio_frame_size = stream->frame_size;
-
- *au_ssize= stream->block_align;
- if (audio_frame_size && stream->sample_rate) {
- *au_scale = audio_frame_size;
- *au_rate= stream->sample_rate;
- }else if(stream->codec_type == AVMEDIA_TYPE_VIDEO ||
- stream->codec_type == AVMEDIA_TYPE_DATA ||
- stream->codec_type == AVMEDIA_TYPE_SUBTITLE){
- *au_scale= stream->time_base.num;
- *au_rate = stream->time_base.den;
- }else{
- *au_scale= stream->block_align ? stream->block_align*8 : 8;
- *au_rate = stream->bit_rate ? stream->bit_rate : 8*stream->sample_rate;
- }
- gcd= av_gcd(*au_scale, *au_rate);
- *au_scale /= gcd;
- *au_rate /= gcd;
-}
int ff_read_riff_info(AVFormatContext *s, int64_t size)
{
AVIOContext *pb = s->pb;
start = avio_tell(pb);
- end = start + size;
+ end = start + size;
- while ((cur = avio_tell(pb)) >= 0 && cur <= end - 8 /* = tag + size */) {
+ while ((cur = avio_tell(pb)) >= 0 &&
+ cur <= end - 8 /* = tag + size */) {
uint32_t chunk_code;
int64_t chunk_size;
- char key[5] = {0};
+ char key[5] = { 0 };
char *value;
chunk_code = avio_rl32(pb);
chunk_size = avio_rl32(pb);
- if (chunk_size > end || end - chunk_size < cur || chunk_size == UINT_MAX) {
- av_log(s, AV_LOG_ERROR, "too big INFO subchunk\n");
- return AVERROR_INVALIDDATA;
+
+ if (chunk_size > end ||
+ end - chunk_size < cur ||
+ chunk_size == UINT_MAX) {
+ av_log(s, AV_LOG_WARNING, "too big INFO subchunk\n");
+ break;
}
chunk_size += (chunk_size & 1);
+ if (!chunk_code) {
+ if (chunk_size)
+ avio_skip(pb, chunk_size);
+ else if (pb->eof_reached) {
+ av_log(s, AV_LOG_WARNING, "truncated file\n");
+ return AVERROR_EOF;
+ }
+ continue;
+ }
+
value = av_malloc(chunk_size + 1);
if (!value) {
- av_log(s, AV_LOG_ERROR, "out of memory, unable to read INFO tag\n");
+ av_log(s, AV_LOG_ERROR,
+ "out of memory, unable to read INFO tag\n");
return AVERROR(ENOMEM);
}
if (avio_read(pb, value, chunk_size) != chunk_size) {
av_free(value);
- av_log(s, AV_LOG_ERROR, "premature end of file while reading INFO tag\n");
- return AVERROR_INVALIDDATA;
+ av_log(s, AV_LOG_WARNING,
+ "premature end of file while reading INFO tag\n");
+ break;
}
value[chunk_size] = 0;
return 0;
}
+#endif /* CONFIG_DEMUXERS */
projects / ffmpeg / blobdiff