* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include "libavutil/intfloat_readwrite.h"
+#include <stdint.h>
+
+#include "libavutil/intfloat.h"
#include "avformat.h"
+#include "internal.h"
#include "aiff.h"
#include "avio_internal.h"
-typedef struct {
+typedef struct AIFFOutputContext {
int64_t form;
int64_t frames;
int64_t ssnd;
{
AIFFOutputContext *aiff = s->priv_data;
AVIOContext *pb = s->pb;
- AVCodecContext *enc = s->streams[0]->codec;
- AVExtFloat sample_rate;
+ AVCodecParameters *par = s->streams[0]->codecpar;
+ uint64_t sample_rate;
int aifc = 0;
/* First verify if format is ok */
- if (!enc->codec_tag)
+ if (!par->codec_tag)
return -1;
- if (enc->codec_tag != MKTAG('N','O','N','E'))
+ if (par->codec_tag != MKTAG('N','O','N','E'))
aifc = 1;
/* FORM AIFF header */
ffio_wfourcc(pb, aifc ? "AIFC" : "AIFF");
if (aifc) { // compressed audio
- enc->bits_per_coded_sample = 16;
- if (!enc->block_align) {
+ par->bits_per_coded_sample = 16;
+ if (!par->block_align) {
av_log(s, AV_LOG_ERROR, "block align not set\n");
return -1;
}
/* Common chunk */
ffio_wfourcc(pb, "COMM");
avio_wb32(pb, aifc ? 24 : 18); /* size */
- avio_wb16(pb, enc->channels); /* Number of channels */
+ avio_wb16(pb, par->channels); /* Number of channels */
aiff->frames = avio_tell(pb);
avio_wb32(pb, 0); /* Number of frames */
- 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) {
+ if (!par->bits_per_coded_sample)
+ par->bits_per_coded_sample = av_get_bits_per_sample(par->codec_id);
+ if (!par->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_coded_sample * enc->channels) >> 3;
+ if (!par->block_align)
+ par->block_align = (par->bits_per_coded_sample * par->channels) >> 3;
- avio_wb16(pb, enc->bits_per_coded_sample); /* Sample size */
+ avio_wb16(pb, par->bits_per_coded_sample); /* Sample size */
- sample_rate = av_dbl2ext((double)enc->sample_rate);
- avio_write(pb, (uint8_t*)&sample_rate, sizeof(sample_rate));
+ sample_rate = av_double2int(par->sample_rate);
+ avio_wb16(pb, (sample_rate >> 52) + (16383 - 1023));
+ avio_wb64(pb, UINT64_C(1) << 63 | sample_rate << 11);
if (aifc) {
- avio_wl32(pb, enc->codec_tag);
+ avio_wl32(pb, par->codec_tag);
avio_wb16(pb, 0);
}
avio_wb32(pb, 0); /* Data offset */
avio_wb32(pb, 0); /* Block-size (block align) */
- av_set_pts_info(s->streams[0], 64, 1, s->streams[0]->codec->sample_rate);
+ avpriv_set_pts_info(s->streams[0], 64, 1, s->streams[0]->codecpar->sample_rate);
/* Data is starting here */
avio_flush(pb);
{
AVIOContext *pb = s->pb;
AIFFOutputContext *aiff = s->priv_data;
- AVCodecContext *enc = s->streams[0]->codec;
+ AVCodecParameters *par = s->streams[0]->codecpar;
/* Chunks sizes must be even */
int64_t file_size, end_size;
end_size++;
}
- if (s->pb->seekable) {
+ if (s->pb->seekable & AVIO_SEEKABLE_NORMAL) {
/* File length */
avio_seek(pb, aiff->form, SEEK_SET);
avio_wb32(pb, file_size - aiff->form - 4);
/* Number of sample frames */
avio_seek(pb, aiff->frames, SEEK_SET);
- avio_wb32(pb, (file_size-aiff->ssnd-12)/enc->block_align);
+ avio_wb32(pb, (file_size - aiff->ssnd - 12) / par->block_align);
/* Sound Data chunk size */
avio_seek(pb, aiff->ssnd, SEEK_SET);
}
AVOutputFormat ff_aiff_muxer = {
- "aiff",
- NULL_IF_CONFIG_SMALL("Audio IFF"),
- "audio/aiff",
- "aif,aiff,afc,aifc",
- sizeof(AIFFOutputContext),
- CODEC_ID_PCM_S16BE,
- CODEC_ID_NONE,
- aiff_write_header,
- aiff_write_packet,
- aiff_write_trailer,
- .codec_tag= (const AVCodecTag* const []){ff_codec_aiff_tags, 0},
+ .name = "aiff",
+ .long_name = NULL_IF_CONFIG_SMALL("Audio IFF"),
+ .mime_type = "audio/aiff",
+ .extensions = "aif,aiff,afc,aifc",
+ .priv_data_size = sizeof(AIFFOutputContext),
+ .audio_codec = AV_CODEC_ID_PCM_S16BE,
+ .video_codec = AV_CODEC_ID_NONE,
+ .write_header = aiff_write_header,
+ .write_packet = aiff_write_packet,
+ .write_trailer = aiff_write_trailer,
+ .codec_tag = (const AVCodecTag* const []){ ff_codec_aiff_tags, 0 },
};