mirror of
https://github.com/FFmpeg/FFmpeg.git
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Merge commit '31c54711cc3f1484af101d629bbb805820d37ad1'
* commit '31c54711cc3f1484af101d629bbb805820d37ad1': lavf: split wav muxer and demuxer into separate files. Conflicts: libavformat/wavdec.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
commit
df5e089da9
@ -352,9 +352,9 @@ OBJS-$(CONFIG_VMD_DEMUXER) += sierravmd.o
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OBJS-$(CONFIG_VOC_DEMUXER) += vocdec.o voc.o
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OBJS-$(CONFIG_VOC_MUXER) += vocenc.o voc.o
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OBJS-$(CONFIG_VQF_DEMUXER) += vqf.o
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OBJS-$(CONFIG_W64_DEMUXER) += wav.o pcm.o
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OBJS-$(CONFIG_WAV_DEMUXER) += wav.o pcm.o
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OBJS-$(CONFIG_WAV_MUXER) += wav.o
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OBJS-$(CONFIG_W64_DEMUXER) += wavdec.o pcm.o
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OBJS-$(CONFIG_WAV_DEMUXER) += wavdec.o pcm.o
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OBJS-$(CONFIG_WAV_MUXER) += wavenc.o
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OBJS-$(CONFIG_WC3_DEMUXER) += wc3movie.o
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OBJS-$(CONFIG_WEBM_MUXER) += matroskaenc.o matroska.o \
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isom.o avc.o \
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@ -1,5 +1,5 @@
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/*
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* WAV muxer and demuxer
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* WAV demuxer
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* Copyright (c) 2001, 2002 Fabrice Bellard
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*
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* Sony Wave64 demuxer
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@ -36,15 +36,10 @@
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#include "avio.h"
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#include "metadata.h"
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typedef struct {
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typedef struct WAVDemuxContext {
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const AVClass *class;
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int64_t data;
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int64_t data_end;
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int64_t minpts;
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int64_t maxpts;
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int last_duration;
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int w64;
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int write_bext;
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int64_t smv_data_ofs;
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int smv_block_size;
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int smv_frames_per_jpeg;
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@ -53,185 +48,7 @@ typedef struct {
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int smv_eof;
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int audio_eof;
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int ignore_length;
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} WAVContext;
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#if CONFIG_WAV_MUXER
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static inline void bwf_write_bext_string(AVFormatContext *s, const char *key, int maxlen)
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{
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AVDictionaryEntry *tag;
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int len = 0;
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if (tag = av_dict_get(s->metadata, key, NULL, 0)) {
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len = strlen(tag->value);
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len = FFMIN(len, maxlen);
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avio_write(s->pb, tag->value, len);
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}
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ffio_fill(s->pb, 0, maxlen - len);
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}
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static void bwf_write_bext_chunk(AVFormatContext *s)
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{
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AVDictionaryEntry *tmp_tag;
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uint64_t time_reference = 0;
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int64_t bext = ff_start_tag(s->pb, "bext");
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bwf_write_bext_string(s, "description", 256);
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bwf_write_bext_string(s, "originator", 32);
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bwf_write_bext_string(s, "originator_reference", 32);
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bwf_write_bext_string(s, "origination_date", 10);
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bwf_write_bext_string(s, "origination_time", 8);
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if (tmp_tag = av_dict_get(s->metadata, "time_reference", NULL, 0))
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time_reference = strtoll(tmp_tag->value, NULL, 10);
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avio_wl64(s->pb, time_reference);
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avio_wl16(s->pb, 1); // set version to 1
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if (tmp_tag = av_dict_get(s->metadata, "umid", NULL, 0)) {
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unsigned char umidpart_str[17] = {0};
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int i;
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uint64_t umidpart;
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int len = strlen(tmp_tag->value+2);
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for (i = 0; i < len/16; i++) {
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memcpy(umidpart_str, tmp_tag->value + 2 + (i*16), 16);
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umidpart = strtoll(umidpart_str, NULL, 16);
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avio_wb64(s->pb, umidpart);
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}
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ffio_fill(s->pb, 0, 64 - i*8);
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} else
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ffio_fill(s->pb, 0, 64); // zero UMID
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ffio_fill(s->pb, 0, 190); // Reserved
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if (tmp_tag = av_dict_get(s->metadata, "coding_history", NULL, 0))
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avio_put_str(s->pb, tmp_tag->value);
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ff_end_tag(s->pb, bext);
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}
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static int wav_write_header(AVFormatContext *s)
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{
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WAVContext *wav = s->priv_data;
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AVIOContext *pb = s->pb;
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int64_t fmt, fact;
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ffio_wfourcc(pb, "RIFF");
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avio_wl32(pb, 0); /* file length */
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ffio_wfourcc(pb, "WAVE");
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/* format header */
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fmt = ff_start_tag(pb, "fmt ");
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if (ff_put_wav_header(pb, s->streams[0]->codec) < 0) {
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av_log(s, AV_LOG_ERROR, "%s codec not supported in WAVE format\n",
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s->streams[0]->codec->codec ? s->streams[0]->codec->codec->name : "NONE");
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return -1;
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}
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ff_end_tag(pb, fmt);
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if (s->streams[0]->codec->codec_tag != 0x01 /* hence for all other than PCM */
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&& s->pb->seekable) {
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fact = ff_start_tag(pb, "fact");
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avio_wl32(pb, 0);
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ff_end_tag(pb, fact);
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}
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if (wav->write_bext)
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bwf_write_bext_chunk(s);
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avpriv_set_pts_info(s->streams[0], 64, 1, s->streams[0]->codec->sample_rate);
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wav->maxpts = wav->last_duration = 0;
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wav->minpts = INT64_MAX;
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/* info header */
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ff_riff_write_info(s);
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/* data header */
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wav->data = ff_start_tag(pb, "data");
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avio_flush(pb);
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return 0;
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}
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static int wav_write_packet(AVFormatContext *s, AVPacket *pkt)
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{
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AVIOContext *pb = s->pb;
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WAVContext *wav = s->priv_data;
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avio_write(pb, pkt->data, pkt->size);
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if(pkt->pts != AV_NOPTS_VALUE) {
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wav->minpts = FFMIN(wav->minpts, pkt->pts);
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wav->maxpts = FFMAX(wav->maxpts, pkt->pts);
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wav->last_duration = pkt->duration;
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} else
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av_log(s, AV_LOG_ERROR, "wav_write_packet: NOPTS\n");
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return 0;
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}
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static int wav_write_trailer(AVFormatContext *s)
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{
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AVIOContext *pb = s->pb;
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WAVContext *wav = s->priv_data;
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int64_t file_size;
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avio_flush(pb);
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if (s->pb->seekable) {
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ff_end_tag(pb, wav->data);
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/* update file size */
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file_size = avio_tell(pb);
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avio_seek(pb, 4, SEEK_SET);
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avio_wl32(pb, (uint32_t)(file_size - 8));
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avio_seek(pb, file_size, SEEK_SET);
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avio_flush(pb);
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if(s->streams[0]->codec->codec_tag != 0x01) {
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/* Update num_samps in fact chunk */
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int number_of_samples;
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number_of_samples = av_rescale(wav->maxpts - wav->minpts + wav->last_duration,
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s->streams[0]->codec->sample_rate * (int64_t)s->streams[0]->time_base.num,
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s->streams[0]->time_base.den);
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avio_seek(pb, wav->data-12, SEEK_SET);
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avio_wl32(pb, number_of_samples);
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avio_seek(pb, file_size, SEEK_SET);
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avio_flush(pb);
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}
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}
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return 0;
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}
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#define OFFSET(x) offsetof(WAVContext, x)
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#define ENC AV_OPT_FLAG_ENCODING_PARAM
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static const AVOption options[] = {
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{ "write_bext", "Write BEXT chunk.", OFFSET(write_bext), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, ENC },
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{ NULL },
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};
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static const AVClass wav_muxer_class = {
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.class_name = "WAV muxer",
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.item_name = av_default_item_name,
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.option = options,
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.version = LIBAVUTIL_VERSION_INT,
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};
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AVOutputFormat ff_wav_muxer = {
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.name = "wav",
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.long_name = NULL_IF_CONFIG_SMALL("WAV / WAVE (Waveform Audio)"),
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.mime_type = "audio/x-wav",
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.extensions = "wav",
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.priv_data_size = sizeof(WAVContext),
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.audio_codec = AV_CODEC_ID_PCM_S16LE,
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.video_codec = AV_CODEC_ID_NONE,
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.write_header = wav_write_header,
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.write_packet = wav_write_packet,
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.write_trailer = wav_write_trailer,
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.flags = AVFMT_TS_NONSTRICT,
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.codec_tag = (const AVCodecTag* const []){ ff_codec_wav_tags, 0 },
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.priv_class = &wav_muxer_class,
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};
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#endif /* CONFIG_WAV_MUXER */
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} WAVDemuxContext;
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#if CONFIG_WAV_DEMUXER
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@ -409,7 +226,7 @@ static int wav_read_header(AVFormatContext *s)
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uint32_t tag, list_type;
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AVIOContext *pb = s->pb;
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AVStream *st = NULL;
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WAVContext *wav = s->priv_data;
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WAVDemuxContext *wav = s->priv_data;
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int ret, got_fmt = 0;
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int64_t next_tag_ofs, data_ofs = -1;
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@ -592,7 +409,7 @@ static int wav_read_packet(AVFormatContext *s,
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int ret, size;
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int64_t left;
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AVStream *st;
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WAVContext *wav = s->priv_data;
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WAVDemuxContext *wav = s->priv_data;
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if (wav->smv_data_ofs > 0) {
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int64_t audio_dts, video_dts;
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@ -670,7 +487,7 @@ smv_out:
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static int wav_read_seek(AVFormatContext *s,
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int stream_index, int64_t timestamp, int flags)
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{
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WAVContext *wav = s->priv_data;
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WAVDemuxContext *wav = s->priv_data;
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AVStream *st;
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wav->smv_eof = 0;
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wav->audio_eof = 0;
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@ -697,7 +514,7 @@ static int wav_read_seek(AVFormatContext *s,
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return ff_pcm_read_seek(s, stream_index, timestamp, flags);
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}
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#define OFFSET(x) offsetof(WAVContext, x)
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#define OFFSET(x) offsetof(WAVDemuxContext, x)
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#define DEC AV_OPT_FLAG_DECODING_PARAM
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static const AVOption demux_options[] = {
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{ "ignore_length", "Ignore length", OFFSET(ignore_length), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, DEC },
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@ -713,7 +530,7 @@ static const AVClass wav_demuxer_class = {
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AVInputFormat ff_wav_demuxer = {
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.name = "wav",
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.long_name = NULL_IF_CONFIG_SMALL("WAV / WAVE (Waveform Audio)"),
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.priv_data_size = sizeof(WAVContext),
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.priv_data_size = sizeof(WAVDemuxContext),
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.read_probe = wav_probe,
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.read_header = wav_read_header,
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.read_packet = wav_read_packet,
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@ -750,7 +567,7 @@ static int w64_read_header(AVFormatContext *s)
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{
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int64_t size;
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AVIOContext *pb = s->pb;
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WAVContext *wav = s->priv_data;
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WAVDemuxContext *wav = s->priv_data;
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AVStream *st;
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uint8_t guid[16];
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int ret;
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@ -803,7 +620,7 @@ static int w64_read_header(AVFormatContext *s)
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AVInputFormat ff_w64_demuxer = {
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.name = "w64",
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.long_name = NULL_IF_CONFIG_SMALL("Sony Wave64"),
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.priv_data_size = sizeof(WAVContext),
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.priv_data_size = sizeof(WAVDemuxContext),
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.read_probe = w64_probe,
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.read_header = w64_read_header,
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.read_packet = wav_read_packet,
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219
libavformat/wavenc.c
Normal file
219
libavformat/wavenc.c
Normal file
@ -0,0 +1,219 @@
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/*
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* WAV muxer
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* Copyright (c) 2001, 2002 Fabrice Bellard
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
|
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* modify it under the terms of the GNU Lesser General Public
|
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* License as published by the Free Software Foundation; either
|
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* version 2.1 of the License, or (at your option) any later version.
|
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*
|
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* FFmpeg is distributed in the hope that it will be useful,
|
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* 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
|
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* License along with FFmpeg; if not, write to the Free Software
|
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdint.h>
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#include <string.h>
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#include "libavutil/dict.h"
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#include "libavutil/common.h"
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#include "libavutil/mathematics.h"
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#include "libavutil/opt.h"
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|
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#include "avformat.h"
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#include "avio.h"
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#include "avio_internal.h"
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#include "internal.h"
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#include "riff.h"
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typedef struct WAVMuxContext {
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const AVClass *class;
|
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int64_t data;
|
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int64_t minpts;
|
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int64_t maxpts;
|
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int last_duration;
|
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int write_bext;
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} WAVMuxContext;
|
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|
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static inline void bwf_write_bext_string(AVFormatContext *s, const char *key, int maxlen)
|
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{
|
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AVDictionaryEntry *tag;
|
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int len = 0;
|
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|
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if (tag = av_dict_get(s->metadata, key, NULL, 0)) {
|
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len = strlen(tag->value);
|
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len = FFMIN(len, maxlen);
|
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avio_write(s->pb, tag->value, len);
|
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}
|
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|
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ffio_fill(s->pb, 0, maxlen - len);
|
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}
|
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|
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static void bwf_write_bext_chunk(AVFormatContext *s)
|
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{
|
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AVDictionaryEntry *tmp_tag;
|
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uint64_t time_reference = 0;
|
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int64_t bext = ff_start_tag(s->pb, "bext");
|
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|
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bwf_write_bext_string(s, "description", 256);
|
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bwf_write_bext_string(s, "originator", 32);
|
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bwf_write_bext_string(s, "originator_reference", 32);
|
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bwf_write_bext_string(s, "origination_date", 10);
|
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bwf_write_bext_string(s, "origination_time", 8);
|
||||
|
||||
if (tmp_tag = av_dict_get(s->metadata, "time_reference", NULL, 0))
|
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time_reference = strtoll(tmp_tag->value, NULL, 10);
|
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avio_wl64(s->pb, time_reference);
|
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avio_wl16(s->pb, 1); // set version to 1
|
||||
|
||||
if (tmp_tag = av_dict_get(s->metadata, "umid", NULL, 0)) {
|
||||
unsigned char umidpart_str[17] = {0};
|
||||
int i;
|
||||
uint64_t umidpart;
|
||||
int len = strlen(tmp_tag->value+2);
|
||||
|
||||
for (i = 0; i < len/16; i++) {
|
||||
memcpy(umidpart_str, tmp_tag->value + 2 + (i*16), 16);
|
||||
umidpart = strtoll(umidpart_str, NULL, 16);
|
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avio_wb64(s->pb, umidpart);
|
||||
}
|
||||
ffio_fill(s->pb, 0, 64 - i*8);
|
||||
} else
|
||||
ffio_fill(s->pb, 0, 64); // zero UMID
|
||||
|
||||
ffio_fill(s->pb, 0, 190); // Reserved
|
||||
|
||||
if (tmp_tag = av_dict_get(s->metadata, "coding_history", NULL, 0))
|
||||
avio_put_str(s->pb, tmp_tag->value);
|
||||
|
||||
ff_end_tag(s->pb, bext);
|
||||
}
|
||||
|
||||
static int wav_write_header(AVFormatContext *s)
|
||||
{
|
||||
WAVMuxContext *wav = s->priv_data;
|
||||
AVIOContext *pb = s->pb;
|
||||
int64_t fmt, fact;
|
||||
|
||||
ffio_wfourcc(pb, "RIFF");
|
||||
avio_wl32(pb, 0); /* file length */
|
||||
ffio_wfourcc(pb, "WAVE");
|
||||
|
||||
/* format header */
|
||||
fmt = ff_start_tag(pb, "fmt ");
|
||||
if (ff_put_wav_header(pb, s->streams[0]->codec) < 0) {
|
||||
av_log(s, AV_LOG_ERROR, "%s codec not supported in WAVE format\n",
|
||||
s->streams[0]->codec->codec ? s->streams[0]->codec->codec->name : "NONE");
|
||||
return -1;
|
||||
}
|
||||
ff_end_tag(pb, fmt);
|
||||
|
||||
if (s->streams[0]->codec->codec_tag != 0x01 /* hence for all other than PCM */
|
||||
&& s->pb->seekable) {
|
||||
fact = ff_start_tag(pb, "fact");
|
||||
avio_wl32(pb, 0);
|
||||
ff_end_tag(pb, fact);
|
||||
}
|
||||
|
||||
if (wav->write_bext)
|
||||
bwf_write_bext_chunk(s);
|
||||
|
||||
avpriv_set_pts_info(s->streams[0], 64, 1, s->streams[0]->codec->sample_rate);
|
||||
wav->maxpts = wav->last_duration = 0;
|
||||
wav->minpts = INT64_MAX;
|
||||
|
||||
/* info header */
|
||||
ff_riff_write_info(s);
|
||||
|
||||
/* data header */
|
||||
wav->data = ff_start_tag(pb, "data");
|
||||
|
||||
avio_flush(pb);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int wav_write_packet(AVFormatContext *s, AVPacket *pkt)
|
||||
{
|
||||
AVIOContext *pb = s->pb;
|
||||
WAVMuxContext *wav = s->priv_data;
|
||||
avio_write(pb, pkt->data, pkt->size);
|
||||
if(pkt->pts != AV_NOPTS_VALUE) {
|
||||
wav->minpts = FFMIN(wav->minpts, pkt->pts);
|
||||
wav->maxpts = FFMAX(wav->maxpts, pkt->pts);
|
||||
wav->last_duration = pkt->duration;
|
||||
} else
|
||||
av_log(s, AV_LOG_ERROR, "wav_write_packet: NOPTS\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int wav_write_trailer(AVFormatContext *s)
|
||||
{
|
||||
AVIOContext *pb = s->pb;
|
||||
WAVMuxContext *wav = s->priv_data;
|
||||
int64_t file_size;
|
||||
|
||||
avio_flush(pb);
|
||||
|
||||
if (s->pb->seekable) {
|
||||
ff_end_tag(pb, wav->data);
|
||||
|
||||
/* update file size */
|
||||
file_size = avio_tell(pb);
|
||||
avio_seek(pb, 4, SEEK_SET);
|
||||
avio_wl32(pb, (uint32_t)(file_size - 8));
|
||||
avio_seek(pb, file_size, SEEK_SET);
|
||||
|
||||
avio_flush(pb);
|
||||
|
||||
if(s->streams[0]->codec->codec_tag != 0x01) {
|
||||
/* Update num_samps in fact chunk */
|
||||
int number_of_samples;
|
||||
number_of_samples = av_rescale(wav->maxpts - wav->minpts + wav->last_duration,
|
||||
s->streams[0]->codec->sample_rate * (int64_t)s->streams[0]->time_base.num,
|
||||
s->streams[0]->time_base.den);
|
||||
avio_seek(pb, wav->data-12, SEEK_SET);
|
||||
avio_wl32(pb, number_of_samples);
|
||||
avio_seek(pb, file_size, SEEK_SET);
|
||||
avio_flush(pb);
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
#define OFFSET(x) offsetof(WAVMuxContext, x)
|
||||
#define ENC AV_OPT_FLAG_ENCODING_PARAM
|
||||
static const AVOption options[] = {
|
||||
{ "write_bext", "Write BEXT chunk.", OFFSET(write_bext), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, ENC },
|
||||
{ NULL },
|
||||
};
|
||||
|
||||
static const AVClass wav_muxer_class = {
|
||||
.class_name = "WAV muxer",
|
||||
.item_name = av_default_item_name,
|
||||
.option = options,
|
||||
.version = LIBAVUTIL_VERSION_INT,
|
||||
};
|
||||
|
||||
AVOutputFormat ff_wav_muxer = {
|
||||
.name = "wav",
|
||||
.long_name = NULL_IF_CONFIG_SMALL("WAV / WAVE (Waveform Audio)"),
|
||||
.mime_type = "audio/x-wav",
|
||||
.extensions = "wav",
|
||||
.priv_data_size = sizeof(WAVMuxContext),
|
||||
.audio_codec = AV_CODEC_ID_PCM_S16LE,
|
||||
.video_codec = AV_CODEC_ID_NONE,
|
||||
.write_header = wav_write_header,
|
||||
.write_packet = wav_write_packet,
|
||||
.write_trailer = wav_write_trailer,
|
||||
.flags = AVFMT_TS_NONSTRICT,
|
||||
.codec_tag = (const AVCodecTag* const []){ ff_codec_wav_tags, 0 },
|
||||
.priv_class = &wav_muxer_class,
|
||||
};
|
||||
Loading…
Reference in New Issue
Block a user