* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+
+#include "libavutil/intfloat_readwrite.h"
#include "avformat.h"
#include "raw.h"
#include "riff.h"
-#include "intfloat_readwrite.h"
static const AVCodecTag codec_aiff_tags[] = {
- { CODEC_ID_PCM_S16BE, MKTAG('N','O','N','E') },
- { CODEC_ID_PCM_S8, MKTAG('N','O','N','E') },
- { CODEC_ID_PCM_S24BE, MKTAG('N','O','N','E') },
- { CODEC_ID_PCM_S32BE, MKTAG('N','O','N','E') },
- { CODEC_ID_PCM_ALAW, MKTAG('a','l','a','w') },
- { CODEC_ID_PCM_ALAW, MKTAG('A','L','A','W') },
- { CODEC_ID_PCM_MULAW, MKTAG('u','l','a','w') },
- { CODEC_ID_PCM_MULAW, MKTAG('U','L','A','W') },
- { CODEC_ID_MACE3, MKTAG('M','A','C','3') },
- { CODEC_ID_MACE6, MKTAG('M','A','C','6') },
- { CODEC_ID_GSM, MKTAG('G','S','M',' ') },
- { CODEC_ID_ADPCM_G726, MKTAG('G','7','2','6') },
- { CODEC_ID_PCM_S16LE, MKTAG('s','o','w','t') },
+ { CODEC_ID_PCM_S16BE, MKTAG('N','O','N','E') },
+ { CODEC_ID_PCM_S8, MKTAG('N','O','N','E') },
+ { CODEC_ID_PCM_S24BE, MKTAG('N','O','N','E') },
+ { CODEC_ID_PCM_S32BE, MKTAG('N','O','N','E') },
+ { CODEC_ID_PCM_F32BE, MKTAG('f','l','3','2') },
+ { CODEC_ID_PCM_F64BE, MKTAG('f','l','6','4') },
+ { CODEC_ID_PCM_ALAW, MKTAG('a','l','a','w') },
+ { CODEC_ID_PCM_MULAW, MKTAG('u','l','a','w') },
+ { CODEC_ID_MACE3, MKTAG('M','A','C','3') },
+ { CODEC_ID_MACE6, MKTAG('M','A','C','6') },
+ { CODEC_ID_GSM, MKTAG('G','S','M',' ') },
+ { CODEC_ID_ADPCM_G726, MKTAG('G','7','2','6') },
+ { CODEC_ID_PCM_S16LE, MKTAG('s','o','w','t') },
{ CODEC_ID_ADPCM_IMA_QT, MKTAG('i','m','a','4') },
+ { CODEC_ID_QDM2, MKTAG('Q','D','M','2') },
{ 0, 0 },
};
#define AIFF 0
#define AIFF_C_VERSION1 0xA2805140
-static int aiff_codec_get_id (int bps)
+static enum CodecID aiff_codec_get_id(int bps)
{
if (bps <= 8)
return CODEC_ID_PCM_S8;
return CODEC_ID_PCM_S32BE;
/* bigger than 32 isn't allowed */
- return 0;
+ return CODEC_ID_NONE;
}
/* returns the size of the found tag */
}
/* Metadata string read */
-static void get_meta(ByteIOContext *pb, char * str, int strsize, int size)
+static void get_meta(AVFormatContext *s, const char *key, int size)
{
- int res;
-
- if (size > strsize-1)
- res = get_buffer(pb, (uint8_t*)str, strsize-1);
- else
- res = get_buffer(pb, (uint8_t*)str, size);
-
+ uint8_t str[1024];
+ int res = get_buffer(s->pb, str, FFMIN(sizeof(str)-1, size));
if (res < 0)
return;
size++;
size -= res;
if (size)
- url_fskip(pb, size);
+ url_fskip(s->pb, size);
+
+ av_metadata_set(&s->metadata, key, str);
}
/* Returns the number of sound data frames or negative on error */
double sample_rate;
unsigned int num_frames;
-
if (size & 1)
size++;
-
codec->codec_type = CODEC_TYPE_AUDIO;
codec->channels = get_be16(pb);
num_frames = get_be32(pb);
- codec->bits_per_sample = get_be16(pb);
+ codec->bits_per_coded_sample = get_be16(pb);
get_buffer(pb, (uint8_t*)&ext, sizeof(ext));/* Sample rate is in */
sample_rate = av_ext2dbl(ext); /* 80 bits BE IEEE extended float */
/* Got an AIFF-C? */
if (version == AIFF_C_VERSION1) {
codec->codec_tag = get_le32(pb);
- codec->codec_id = codec_get_id (codec_aiff_tags, codec->codec_tag);
+ codec->codec_id = codec_get_id(codec_aiff_tags, codec->codec_tag);
switch (codec->codec_id) {
case CODEC_ID_PCM_S16BE:
- codec->codec_id = aiff_codec_get_id (codec->bits_per_sample);
- codec->bits_per_sample = av_get_bits_per_sample(codec->codec_id);
+ codec->codec_id = aiff_codec_get_id(codec->bits_per_coded_sample);
+ codec->bits_per_coded_sample = av_get_bits_per_sample(codec->codec_id);
break;
case CODEC_ID_ADPCM_IMA_QT:
codec->block_align = 34*codec->channels;
codec->frame_size = 64;
break;
+ case CODEC_ID_MACE3:
+ codec->block_align = 2*codec->channels;
+ codec->frame_size = 6;
+ break;
+ case CODEC_ID_MACE6:
+ codec->block_align = 1*codec->channels;
+ codec->frame_size = 6;
+ break;
+ case CODEC_ID_GSM:
+ codec->block_align = 33;
+ codec->frame_size = 160;
+ break;
default:
break;
}
size -= 4;
} else {
/* Need the codec type */
- codec->codec_id = aiff_codec_get_id (codec->bits_per_sample);
- codec->bits_per_sample = av_get_bits_per_sample(codec->codec_id);
+ codec->codec_id = aiff_codec_get_id(codec->bits_per_coded_sample);
+ codec->bits_per_coded_sample = av_get_bits_per_sample(codec->codec_id);
}
- if (!codec->codec_id)
- return AVERROR_INVALIDDATA;
-
/* Block align needs to be computed in all cases, as the definition
* is specific to applications -> here we use the WAVE format definition */
if (!codec->block_align)
- codec->block_align = (codec->bits_per_sample * codec->channels) >> 3;
+ codec->block_align = (codec->bits_per_coded_sample * codec->channels) >> 3;
- codec->bit_rate = codec->sample_rate * (codec->block_align << 3);
+ codec->bit_rate = (codec->frame_size ? codec->sample_rate/codec->frame_size :
+ codec->sample_rate) * (codec->block_align << 3);
/* Chunk is over */
if (size)
return num_frames;
}
-#ifdef CONFIG_MUXERS
+#if CONFIG_AIFF_MUXER
typedef struct {
- offset_t form;
- offset_t frames;
- offset_t ssnd;
+ int64_t form;
+ int64_t frames;
+ int64_t ssnd;
} AIFFOutputContext;
static int aiff_write_header(AVFormatContext *s)
int aifc = 0;
/* First verify if format is ok */
- if (!enc->codec_tag) {
+ if (!enc->codec_tag)
return -1;
- }
-
if (enc->codec_tag != MKTAG('N','O','N','E'))
aifc = 1;
put_tag(pb, aifc ? "AIFC" : "AIFF");
if (aifc) { // compressed audio
- enc->bits_per_sample = 16;
+ enc->bits_per_coded_sample = 16;
if (!enc->block_align) {
av_log(s, AV_LOG_ERROR, "block align not set\n");
return -1;
/* Common chunk */
put_tag(pb, "COMM");
put_be32(pb, aifc ? 24 : 18); /* size */
- put_be16(pb, enc->channels); /* Number of channels */
+ put_be16(pb, enc->channels); /* Number of channels */
aiff->frames = url_ftell(pb);
- put_be32(pb, 0); /* Number of frames */
+ put_be32(pb, 0); /* Number of frames */
- if (!enc->bits_per_sample)
- enc->bits_per_sample = av_get_bits_per_sample(enc->codec_id);
- if (!enc->bits_per_sample) {
+ if (!enc->bits_per_coded_sample)
+ enc->bits_per_coded_sample = av_get_bits_per_sample(enc->codec_id);
+ if (!enc->bits_per_coded_sample) {
av_log(s, AV_LOG_ERROR, "could not compute bits per sample\n");
return -1;
}
if (!enc->block_align)
- enc->block_align = (enc->bits_per_sample * enc->channels) >> 3;
+ enc->block_align = (enc->bits_per_coded_sample * enc->channels) >> 3;
- put_be16(pb, enc->bits_per_sample); /* Sample size */
+ put_be16(pb, enc->bits_per_coded_sample); /* Sample size */
sample_rate = av_dbl2ext((double)enc->sample_rate);
put_buffer(pb, (uint8_t*)&sample_rate, sizeof(sample_rate));
AVCodecContext *enc = s->streams[0]->codec;
/* Chunks sizes must be even */
- offset_t file_size, end_size;
+ int64_t file_size, end_size;
end_size = file_size = url_ftell(pb);
if (file_size & 1) {
put_byte(pb, 0);
if (!url_is_streamed(s->pb)) {
/* File length */
url_fseek(pb, aiff->form, SEEK_SET);
- put_be32(pb, (uint32_t)(file_size - aiff->form - 4));
+ put_be32(pb, file_size - aiff->form - 4);
/* Number of sample frames */
url_fseek(pb, aiff->frames, SEEK_SET);
- put_be32(pb, ((uint32_t)(file_size-aiff->ssnd-12))/enc->block_align);
+ put_be32(pb, (file_size-aiff->ssnd-12)/enc->block_align);
/* Sound Data chunk size */
url_fseek(pb, aiff->ssnd, SEEK_SET);
- put_be32(pb, (uint32_t)(file_size - aiff->ssnd - 4));
+ put_be32(pb, file_size - aiff->ssnd - 4);
/* return to the end */
url_fseek(pb, end_size, SEEK_SET);
return 0;
}
-#endif //CONFIG_MUXERS
+#endif /* CONFIG_AIFF_MUXER */
static int aiff_probe(AVProbeData *p)
{
AVFormatParameters *ap)
{
int size, filesize;
- offset_t offset = 0;
+ int64_t offset = 0;
uint32_t tag;
unsigned version = AIFF_C_VERSION1;
ByteIOContext *pb = s->pb;
- AVStream * st = s->streams[0];
+ AVStream * st;
/* check FORM header */
filesize = get_tag(pb, &tag);
filesize -= size + 8;
switch (tag) {
- case MKTAG('C', 'O', 'M', 'M'): /* Common chunk */
- /* Then for the complete header info */
- st->nb_frames = get_aiff_header (pb, st->codec, size, version);
- if (st->nb_frames < 0)
- return st->nb_frames;
- if (offset > 0) // COMM is after SSND
- goto got_sound;
- break;
-
- case MKTAG('F', 'V', 'E', 'R'): /* Version chunk */
- version = get_be32(pb);
- break;
-
- case MKTAG('N', 'A', 'M', 'E'): /* Sample name chunk */
- get_meta (pb, s->title, sizeof(s->title), size);
- break;
-
- case MKTAG('A', 'U', 'T', 'H'): /* Author chunk */
- get_meta (pb, s->author, sizeof(s->author), size);
- break;
-
- case MKTAG('(', 'c', ')', ' '): /* Copyright chunk */
- get_meta (pb, s->copyright, sizeof(s->copyright), size);
- break;
-
- case MKTAG('A', 'N', 'N', 'O'): /* Annotation chunk */
- get_meta (pb, s->comment, sizeof(s->comment), size);
- break;
-
- case MKTAG('S', 'S', 'N', 'D'): /* Sampled sound chunk */
- offset = get_be32(pb); /* Offset of sound data */
- get_be32(pb); /* BlockSize... don't care */
- offset += url_ftell(pb); /* Compute absolute data offset */
- if (st->codec->codec_id) /* Assume COMM already parsed */
- goto got_sound;
- if (url_is_streamed(pb)) {
- av_log(s, AV_LOG_ERROR, "file is not seekable\n");
- return -1;
- }
- url_fskip(pb, size - 8);
- break;
-
- default: /* Jump */
- if (size & 1) /* Always even aligned */
- size++;
- url_fskip (pb, size);
+ case MKTAG('C', 'O', 'M', 'M'): /* Common chunk */
+ /* Then for the complete header info */
+ st->nb_frames = get_aiff_header(pb, st->codec, size, version);
+ if (st->nb_frames < 0)
+ return st->nb_frames;
+ if (offset > 0) // COMM is after SSND
+ goto got_sound;
+ break;
+ case MKTAG('F', 'V', 'E', 'R'): /* Version chunk */
+ version = get_be32(pb);
+ break;
+ case MKTAG('N', 'A', 'M', 'E'): /* Sample name chunk */
+ get_meta(s, "title" , size);
+ break;
+ case MKTAG('A', 'U', 'T', 'H'): /* Author chunk */
+ get_meta(s, "author" , size);
+ break;
+ case MKTAG('(', 'c', ')', ' '): /* Copyright chunk */
+ get_meta(s, "copyright", size);
+ break;
+ case MKTAG('A', 'N', 'N', 'O'): /* Annotation chunk */
+ get_meta(s, "comment" , size);
+ break;
+ case MKTAG('S', 'S', 'N', 'D'): /* Sampled sound chunk */
+ offset = get_be32(pb); /* Offset of sound data */
+ get_be32(pb); /* BlockSize... don't care */
+ offset += url_ftell(pb); /* Compute absolute data offset */
+ if (st->codec->block_align) /* Assume COMM already parsed */
+ goto got_sound;
+ if (url_is_streamed(pb)) {
+ av_log(s, AV_LOG_ERROR, "file is not seekable\n");
+ return -1;
+ }
+ url_fskip(pb, size - 8);
+ break;
+ case MKTAG('w', 'a', 'v', 'e'):
+ if ((uint64_t)size > (1<<30))
+ return -1;
+ st->codec->extradata = av_mallocz(size + FF_INPUT_BUFFER_PADDING_SIZE);
+ if (!st->codec->extradata)
+ return AVERROR(ENOMEM);
+ st->codec->extradata_size = size;
+ get_buffer(pb, st->codec->extradata, size);
+ break;
+ default: /* Jump */
+ if (size & 1) /* Always even aligned */
+ size++;
+ url_fskip (pb, size);
}
}
- /* End of loop and didn't get sound */
- return AVERROR_INVALIDDATA;
+ if (!st->codec->block_align) {
+ av_log(s, AV_LOG_ERROR, "could not find COMM tag\n");
+ return -1;
+ }
got_sound:
/* Now positioned, get the sound data start and end */
return 0;
}
-static int aiff_read_close(AVFormatContext *s)
-{
- return 0;
-}
-
-static int aiff_read_seek(AVFormatContext *s,
- int stream_index, int64_t timestamp, int flags)
-{
- return pcm_read_seek(s, stream_index, timestamp, flags);
-}
-
-#ifdef CONFIG_AIFF_DEMUXER
+#if CONFIG_AIFF_DEMUXER
AVInputFormat aiff_demuxer = {
"aiff",
- "Audio IFF",
+ NULL_IF_CONFIG_SMALL("Audio IFF"),
0,
aiff_probe,
aiff_read_header,
aiff_read_packet,
- aiff_read_close,
- aiff_read_seek,
- .codec_tag= (const AVCodecTag*[]){codec_aiff_tags, 0},
+ NULL,
+ pcm_read_seek,
+ .codec_tag= (const AVCodecTag* const []){codec_aiff_tags, 0},
};
#endif
-#ifdef CONFIG_AIFF_MUXER
+#if CONFIG_AIFF_MUXER
AVOutputFormat aiff_muxer = {
"aiff",
- "Audio IFF",
+ NULL_IF_CONFIG_SMALL("Audio IFF"),
"audio/aiff",
"aif,aiff,afc,aifc",
sizeof(AIFFOutputContext),
aiff_write_header,
aiff_write_packet,
aiff_write_trailer,
- .codec_tag= (const AVCodecTag*[]){codec_aiff_tags, 0},
+ .codec_tag= (const AVCodecTag* const []){codec_aiff_tags, 0},
};
#endif
projects / frescor / ffmpeg.git / blobdiff