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@ -29,13 +29,13 @@ |
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#include "libavutil/mathematics.h" |
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#include "libavutil/opt.h" |
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#include "avformat.h" |
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#include "internal.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 "metadata.h" |
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#include "pcm.h" |
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#include "riff.h" |
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#include "w64.h" |
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#include "avio.h" |
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#include "metadata.h" |
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#include "spdif.h" |
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typedef struct WAVDemuxContext { |
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@ -53,7 +53,6 @@ typedef struct WAVDemuxContext { |
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int spdif; |
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} WAVDemuxContext; |
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#if CONFIG_WAV_DEMUXER |
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static int64_t next_tag(AVIOContext *pb, uint32_t *tag) |
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@ -86,11 +85,9 @@ static int wav_probe(AVProbeData *p) |
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return 0; |
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if (!memcmp(p->buf + 8, "WAVE", 4)) { |
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if (!memcmp(p->buf, "RIFF", 4)) |
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/*
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Since ACT demuxer has standard WAV header at top of it's own, |
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returning score is decreased to avoid probe conflict |
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between ACT and WAV. |
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*/ |
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/* Since ACT demuxer has standard WAV header at top of it's
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* own, returning score is decreased to avoid probe conflict |
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* between ACT and WAV. */ |
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return AVPROBE_SCORE_MAX - 1; |
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else if (!memcmp(p->buf, "RF64", 4) && |
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!memcmp(p->buf + 12, "ds64", 4)) |
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@ -173,16 +170,22 @@ static int wav_parse_bext_tag(AVFormatContext *s, int64_t size) |
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if (umid_mask) { |
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/* the string formatting below is per SMPTE 330M-2004 Annex C */ |
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if (umid_parts[4] == 0 && umid_parts[5] == 0 && umid_parts[6] == 0 && umid_parts[7] == 0) { |
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if (umid_parts[4] == 0 && umid_parts[5] == 0 && |
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umid_parts[6] == 0 && umid_parts[7] == 0) { |
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/* basic UMID */ |
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snprintf(temp, sizeof(temp), "0x%016"PRIX64"%016"PRIX64"%016"PRIX64"%016"PRIX64, |
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umid_parts[0], umid_parts[1], umid_parts[2], umid_parts[3]); |
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snprintf(temp, sizeof(temp), |
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"0x%016"PRIX64"%016"PRIX64"%016"PRIX64"%016"PRIX64, |
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umid_parts[0], umid_parts[1], |
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umid_parts[2], umid_parts[3]); |
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} else { |
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/* extended UMID */ |
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snprintf(temp, sizeof(temp), "0x%016"PRIX64"%016"PRIX64"%016"PRIX64"%016"PRIX64 |
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"%016"PRIX64"%016"PRIX64"%016"PRIX64"%016"PRIX64, |
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umid_parts[0], umid_parts[1], umid_parts[2], umid_parts[3], |
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umid_parts[4], umid_parts[5], umid_parts[6], umid_parts[7]); |
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snprintf(temp, sizeof(temp), |
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"0x%016"PRIX64"%016"PRIX64"%016"PRIX64"%016"PRIX64 |
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"%016"PRIX64"%016"PRIX64"%016"PRIX64"%016"PRIX64, |
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umid_parts[0], umid_parts[1], |
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umid_parts[2], umid_parts[3], |
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umid_parts[4], umid_parts[5], |
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umid_parts[6], umid_parts[7]); |
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} |
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if ((ret = av_dict_set(&s->metadata, "umid", temp, 0)) < 0) |
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@ -197,7 +200,7 @@ static int wav_parse_bext_tag(AVFormatContext *s, int64_t size) |
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/* CodingHistory present */ |
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size -= 602; |
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if (!(coding_history = av_malloc(size+1))) |
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if (!(coding_history = av_malloc(size + 1))) |
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return AVERROR(ENOMEM); |
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if ((ret = avio_read(s->pb, coding_history, size)) < 0) |
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@ -213,22 +216,22 @@ static int wav_parse_bext_tag(AVFormatContext *s, int64_t size) |
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} |
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static const AVMetadataConv wav_metadata_conv[] = { |
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{"description", "comment" }, |
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{"originator", "encoded_by" }, |
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{"origination_date", "date" }, |
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{"origination_time", "creation_time"}, |
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{0}, |
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{ "description", "comment" }, |
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{ "originator", "encoded_by" }, |
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{ "origination_date", "date" }, |
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{ "origination_time", "creation_time" }, |
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{ 0 }, |
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}; |
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/* wav input */ |
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static int wav_read_header(AVFormatContext *s) |
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{ |
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int64_t size, av_uninit(data_size); |
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int64_t sample_count=0; |
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int64_t sample_count = 0; |
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int rf64; |
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uint32_t tag; |
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AVIOContext *pb = s->pb; |
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AVStream *st = NULL; |
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AVIOContext *pb = s->pb; |
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AVStream *st = NULL; |
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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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@ -253,8 +256,10 @@ static int wav_read_header(AVFormatContext *s) |
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if (size < 24) |
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return -1; |
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avio_rl64(pb); /* RIFF size */ |
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data_size = avio_rl64(pb); |
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data_size = avio_rl64(pb); |
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sample_count = avio_rl64(pb); |
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if (data_size < 0 || sample_count < 0) { |
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av_log(s, AV_LOG_ERROR, "negative data_size and/or sample_count in " |
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"ds64: data_size = %"PRId64", sample_count = %"PRId64"\n", |
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@ -267,7 +272,7 @@ static int wav_read_header(AVFormatContext *s) |
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for (;;) { |
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AVStream *vst; |
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size = next_tag(pb, &tag); |
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size = next_tag(pb, &tag); |
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next_tag_ofs = avio_tell(pb) + size; |
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if (url_feof(pb)) |
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@ -285,14 +290,15 @@ static int wav_read_header(AVFormatContext *s) |
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break; |
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case MKTAG('d', 'a', 't', 'a'): |
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if (!got_fmt) { |
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av_log(s, AV_LOG_ERROR, "found no 'fmt ' tag before the 'data' tag\n"); |
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av_log(s, AV_LOG_ERROR, |
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"found no 'fmt ' tag before the 'data' tag\n"); |
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return AVERROR_INVALIDDATA; |
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} |
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if (rf64) { |
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next_tag_ofs = wav->data_end = avio_tell(pb) + data_size; |
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} else { |
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data_size = size; |
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data_size = size; |
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next_tag_ofs = wav->data_end = size ? next_tag_ofs : INT64_MAX; |
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} |
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@ -304,11 +310,11 @@ static int wav_read_header(AVFormatContext *s) |
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if (!pb->seekable || (!rf64 && !size)) |
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goto break_loop; |
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break; |
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case MKTAG('f','a','c','t'): |
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case MKTAG('f', 'a', 'c', 't'): |
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if (!sample_count) |
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sample_count = avio_rl32(pb); |
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break; |
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case MKTAG('b','e','x','t'): |
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case MKTAG('b', 'e', 'x', 't'): |
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if ((ret = wav_parse_bext_tag(s, size)) < 0) |
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return ret; |
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break; |
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@ -363,6 +369,7 @@ static int wav_read_header(AVFormatContext *s) |
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break; |
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} |
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} |
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break_loop: |
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if (data_ofs < 0) { |
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av_log(s, AV_LOG_ERROR, "no 'data' tag found\n"); |
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@ -371,8 +378,11 @@ break_loop: |
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avio_seek(pb, data_ofs, SEEK_SET); |
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if (!sample_count && st->codec->channels && av_get_bits_per_sample(st->codec->codec_id) && wav->data_end <= avio_size(pb)) |
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sample_count = (data_size<<3) / (st->codec->channels * (uint64_t)av_get_bits_per_sample(st->codec->codec_id)); |
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if (!sample_count && st->codec->channels && |
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av_get_bits_per_sample(st->codec->codec_id) && wav->data_end <= avio_size(pb)) |
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sample_count = (data_size << 3) / |
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(st->codec->channels * |
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(uint64_t)av_get_bits_per_sample(st->codec->codec_id)); |
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if (sample_count) |
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st->duration = sample_count; |
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@ -382,7 +392,8 @@ break_loop: |
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return 0; |
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} |
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/** Find chunk with w64 GUID by skipping over other chunks
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/**
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* Find chunk with w64 GUID by skipping over other chunks. |
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* @return the size of the found chunk |
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*/ |
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static int64_t find_guid(AVIOContext *pb, const uint8_t guid1[16]) |
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@ -404,8 +415,7 @@ static int64_t find_guid(AVIOContext *pb, const uint8_t guid1[16]) |
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#define MAX_SIZE 4096 |
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static int wav_read_packet(AVFormatContext *s, |
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AVPacket *pkt) |
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static int wav_read_packet(AVFormatContext *s, AVPacket *pkt) |
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{ |
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int ret, size; |
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int64_t left; |
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@ -470,8 +480,8 @@ smv_out: |
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left = wav->data_end - avio_tell(s->pb); |
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if (wav->ignore_length) |
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left= INT_MAX; |
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if (left <= 0){ |
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left = INT_MAX; |
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if (left <= 0) { |
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if (CONFIG_W64_DEMUXER && wav->w64) |
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left = find_guid(s->pb, ff_w64_guid_data) - 24; |
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else |
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@ -482,7 +492,7 @@ smv_out: |
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goto smv_retry; |
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return AVERROR_EOF; |
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} |
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wav->data_end= avio_tell(s->pb) + left; |
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wav->data_end = avio_tell(s->pb) + left; |
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} |
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size = MAX_SIZE; |
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@ -552,12 +562,11 @@ AVInputFormat ff_wav_demuxer = { |
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.read_packet = wav_read_packet, |
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.read_seek = wav_read_seek, |
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.flags = AVFMT_GENERIC_INDEX, |
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.codec_tag = (const AVCodecTag* const []){ ff_codec_wav_tags, 0 }, |
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.codec_tag = (const AVCodecTag * const []) { ff_codec_wav_tags, 0 }, |
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.priv_class = &wav_demuxer_class, |
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}; |
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#endif /* CONFIG_WAV_DEMUXER */ |
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#if CONFIG_W64_DEMUXER |
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static int w64_probe(AVProbeData *p) |
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{ |
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@ -573,8 +582,8 @@ static int w64_probe(AVProbeData *p) |
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static int w64_read_header(AVFormatContext *s) |
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{ |
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int64_t size, data_ofs = 0; |
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AVIOContext *pb = s->pb; |
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WAVDemuxContext *wav = s->priv_data; |
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AVIOContext *pb = s->pb; |
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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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@ -583,7 +592,8 @@ static int w64_read_header(AVFormatContext *s) |
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if (memcmp(guid, ff_w64_guid_riff, 16)) |
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return -1; |
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if (avio_rl64(pb) < 16 + 8 + 16 + 8 + 16 + 8) /* riff + wave + fmt + sizes */ |
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/* riff + wave + fmt + sizes */ |
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if (avio_rl64(pb) < 16 + 8 + 16 + 8 + 16 + 8) |
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return -1; |
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avio_read(pb, guid, 16); |
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@ -685,6 +695,6 @@ AVInputFormat ff_w64_demuxer = { |
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.read_packet = wav_read_packet, |
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.read_seek = wav_read_seek, |
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.flags = AVFMT_GENERIC_INDEX, |
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.codec_tag = (const AVCodecTag* const []){ ff_codec_wav_tags, 0 }, |
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.codec_tag = (const AVCodecTag * const []) { ff_codec_wav_tags, 0 }, |
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}; |
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#endif /* CONFIG_W64_DEMUXER */ |
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