#include "riff.h"
#include "isom.h"
#include "dv.h"
+#include "libavcodec/mpeg4audio.h"
+#include "libavcodec/mpegaudiodata.h"
#ifdef CONFIG_ZLIB
#include <zlib.h>
struct MOVParseTableEntry;
+typedef struct {
+ unsigned track_id;
+ uint64_t base_data_offset;
+ uint64_t moof_offset;
+ unsigned stsd_id;
+ unsigned duration;
+ unsigned size;
+ unsigned flags;
+} MOVFragment;
+
+typedef struct {
+ unsigned track_id;
+ unsigned stsd_id;
+ unsigned duration;
+ unsigned size;
+ unsigned flags;
+} MOVTrackExt;
+
typedef struct MOVStreamContext {
ByteIOContext *pb;
int ffindex; /* the ffmpeg stream id */
unsigned int bytes_per_frame;
unsigned int samples_per_frame;
int dv_audio_container;
- int pseudo_stream_id;
+ int pseudo_stream_id; ///< -1 means demux all ids
int16_t audio_cid; ///< stsd audio compression id
unsigned drefs_count;
MOV_dref_t *drefs;
DVDemuxContext *dv_demux;
AVFormatContext *dv_fctx;
int isom; /* 1 if file is ISO Media (mp4/3gp) */
+ MOVFragment fragment; ///< current fragment in moof atom
+ MOVTrackExt *trex_data;
+ unsigned trex_count;
} MOVContext;
/* those functions parse an atom */
/* return code:
- 1: found what I wanted, exit
0: continue to parse next atom
- <0: error occured, exit
+ <0: error occurred, exit
*/
/* links atom IDs to parse functions */
typedef struct MOVParseTableEntry {
offset_t start_pos = url_ftell(pb);
int64_t left;
err = mov_default_parse_table[i].parse(c, pb, a);
- if (c->found_moov && c->found_mdat)
+ if (url_is_streamed(pb) && c->found_moov && c->found_mdat)
break;
left = a.size - url_ftell(pb) + start_pos;
if (left > 0) /* skip garbage at atom end */
total_size += a.size;
}
- if (!err && total_size < atom.size && atom.size < 0x7ffff) {
+ if (!err && total_size < atom.size && atom.size < 0x7ffff)
url_fskip(pb, atom.size - total_size);
- }
return err;
}
*((char *)&type), ((char *)&type)[1], ((char *)&type)[2], ((char *)&type)[3]);
if(!ctype)
c->isom = 1;
- if(type == MKTAG('v', 'i', 'd', 'e'))
+ if (type == MKTAG('v','i','d','e'))
st->codec->codec_type = CODEC_TYPE_VIDEO;
- else if(type == MKTAG('s', 'o', 'u', 'n'))
+ else if(type == MKTAG('s','o','u','n'))
st->codec->codec_type = CODEC_TYPE_AUDIO;
- else if(type == MKTAG('m', '1', 'a', ' '))
+ else if(type == MKTAG('m','1','a',' '))
st->codec->codec_id = CODEC_ID_MP2;
- else if(type == MKTAG('s', 'u', 'b', 'p')) {
+ else if(type == MKTAG('s','u','b','p')) {
st->codec->codec_type = CODEC_TYPE_SUBTITLE;
}
get_be32(pb); /* component manufacture */
#define MP4DecConfigDescrTag 0x04
#define MP4DecSpecificDescrTag 0x05
+static const AVCodecTag mp4_audio_types[] = {
+ { CODEC_ID_MP3ON4, 29 }, /* old mp3on4 draft */
+ { CODEC_ID_MP3ON4, 32 }, /* layer 1 */
+ { CODEC_ID_MP3ON4, 33 }, /* layer 2 */
+ { CODEC_ID_MP3ON4, 34 }, /* layer 3 */
+ { CODEC_ID_NONE, 0 },
+};
+
static int mov_read_esds(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
{
AVStream *st = c->fc->streams[c->fc->nb_streams-1];
return AVERROR(ENOMEM);
get_buffer(pb, st->codec->extradata, len);
st->codec->extradata_size = len;
- /* from mplayer */
- if ((*st->codec->extradata >> 3) == 29) {
- st->codec->codec_id = CODEC_ID_MP3ON4;
+ if (st->codec->codec_id == CODEC_ID_AAC) {
+ MPEG4AudioConfig cfg;
+ ff_mpeg4audio_get_config(&cfg, st->codec->extradata,
+ st->codec->extradata_size);
+ if (cfg.chan_config > 7)
+ return -1;
+ st->codec->channels = ff_mpeg4audio_channels[cfg.chan_config];
+ if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
+ st->codec->sample_rate = ff_mpa_freq_tab[cfg.sampling_index];
+ else
+ st->codec->sample_rate = cfg.sample_rate; // ext sample rate ?
+ dprintf(c->fc, "mp4a config channels %d obj %d ext obj %d "
+ "sample rate %d ext sample rate %d\n", st->codec->channels,
+ cfg.object_type, cfg.ext_object_type,
+ cfg.sample_rate, cfg.ext_sample_rate);
+ if (!(st->codec->codec_id = codec_get_id(mp4_audio_types,
+ cfg.object_type)))
+ st->codec->codec_id = CODEC_ID_AAC;
}
}
}
if(atom.size == 0) /* wrong one (MP4) */
return 0;
c->found_mdat=1;
- if(c->found_moov)
- return 1; /* found both, just go */
- url_fskip(pb, atom.size);
return 0; /* now go for moov */
}
/* we parsed the 'moov' atom, we can terminate the parsing as soon as we find the 'mdat' */
/* so we don't parse the whole file if over a network */
c->found_moov=1;
- if(c->found_mdat)
- return 1; /* found both, just go */
return 0; /* now go for mdat */
}
+static int mov_read_moof(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
+{
+ c->fragment.moof_offset = url_ftell(pb) - 8;
+ dprintf(c->fc, "moof offset %llx\n", c->fragment.moof_offset);
+ return mov_read_default(c, pb, atom);
+}
static int mov_read_mdhd(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
{
int lang;
if (version > 1)
- return 1; /* unsupported */
+ return -1; /* unsupported */
get_be24(pb); /* flags */
if (version == 1) {
case CODEC_ID_PCM_S32BE:
st->codec->codec_id = CODEC_ID_PCM_S32LE;
break;
+ case CODEC_ID_PCM_F32BE:
+ st->codec->codec_id = CODEC_ID_PCM_F32LE;
+ break;
+ case CODEC_ID_PCM_F64BE:
+ st->codec->codec_id = CODEC_ID_PCM_F64LE;
+ break;
default:
break;
}
sc->chunk_offsets = av_malloc(entries * sizeof(int64_t));
if (!sc->chunk_offsets)
return -1;
- if (atom.type == MKTAG('s', 't', 'c', 'o')) {
- for(i=0; i<entries; i++) {
+ if (atom.type == MKTAG('s','t','c','o'))
+ for(i=0; i<entries; i++)
sc->chunk_offsets[i] = get_be32(pb);
- }
- } else if (atom.type == MKTAG('c', 'o', '6', '4')) {
- for(i=0; i<entries; i++) {
+ else if (atom.type == MKTAG('c','o','6','4'))
+ for(i=0; i<entries; i++)
sc->chunk_offsets[i] = get_be64(pb);
- }
- } else
+ else
return -1;
return 0;
}
+/**
+ * Compute codec id for 'lpcm' tag.
+ * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
+ */
+static int mov_get_lpcm_codec_id(int bps, int flags)
+{
+ if (flags & 1) { // floating point
+ if (flags & 2) { // big endian
+ if (bps == 32) return CODEC_ID_PCM_F32BE;
+ else if (bps == 64) return CODEC_ID_PCM_F64BE;
+ } else {
+ if (bps == 32) return CODEC_ID_PCM_F32LE;
+ else if (bps == 64) return CODEC_ID_PCM_F64LE;
+ }
+ } else {
+ if (flags & 2) {
+ if (bps == 8)
+ // signed integer
+ if (flags & 4) return CODEC_ID_PCM_S8;
+ else return CODEC_ID_PCM_U8;
+ else if (bps == 16) return CODEC_ID_PCM_S16BE;
+ else if (bps == 24) return CODEC_ID_PCM_S24BE;
+ else if (bps == 32) return CODEC_ID_PCM_S32BE;
+ } else {
+ if (bps == 8)
+ if (flags & 4) return CODEC_ID_PCM_S8;
+ else return CODEC_ID_PCM_U8;
+ else if (bps == 16) return CODEC_ID_PCM_S16LE;
+ else if (bps == 24) return CODEC_ID_PCM_S24LE;
+ else if (bps == 32) return CODEC_ID_PCM_S32LE;
+ }
+ }
+ return 0;
+}
+
static int mov_read_stsd(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
{
AVStream *st = c->fc->streams[c->fc->nb_streams-1];
MOVStreamContext *sc = st->priv_data;
- int entries, frames_per_sample;
- uint32_t format;
- uint8_t codec_name[32];
-
- /* for palette traversal */
- unsigned int color_depth;
- unsigned int color_start;
- unsigned int color_count;
- unsigned int color_end;
- int color_index;
- int color_dec;
- int color_greyscale;
- const uint8_t *color_table;
- int j, pseudo_stream_id;
- unsigned char r, g, b;
+ int j, entries, pseudo_stream_id;
get_byte(pb); /* version */
get_be24(pb); /* flags */
entries = get_be32(pb);
- for(pseudo_stream_id=0; pseudo_stream_id<entries; pseudo_stream_id++) { //Parsing Sample description table
+ for(pseudo_stream_id=0; pseudo_stream_id<entries; pseudo_stream_id++) {
+ //Parsing Sample description table
enum CodecID id;
int dref_id;
MOV_atom_t a = { 0, 0, 0 };
offset_t start_pos = url_ftell(pb);
int size = get_be32(pb); /* size */
- format = get_le32(pb); /* data format */
+ uint32_t format = get_le32(pb); /* data format */
get_be32(pb); /* reserved */
get_be16(pb); /* reserved */
dref_id = get_be16(pb);
if (st->codec->codec_tag &&
+ st->codec->codec_tag != format &&
(c->fc->video_codec_id ? codec_get_id(codec_movvideo_tags, format) != c->fc->video_codec_id
- : st->codec->codec_tag != MKTAG('j', 'p', 'e', 'g'))
+ : st->codec->codec_tag != MKTAG('j','p','e','g'))
){
/* Multiple fourcc, we skip JPEG. This is not correct, we should
* export it as a separate AVStream but this needs a few changes
* in the MOV demuxer, patch welcome. */
+ av_log(c->fc, AV_LOG_WARNING, "multiple fourcc not supported\n");
url_fskip(pb, size - (url_ftell(pb) - start_pos));
continue;
}
- sc->pseudo_stream_id= pseudo_stream_id;
+ sc->pseudo_stream_id = st->codec->codec_tag ? -1 : pseudo_stream_id;
sc->dref_id= dref_id;
st->codec->codec_tag = format;
id = codec_get_id(codec_movaudio_tags, format);
- if (id<=0 && (format&0xFFFF) == 'm' + ('s'<<8))
+ if (id<=0 && (format&0xFFFF) == 'm'+('s'<<8))
id = codec_get_id(codec_wav_tags, bswap_32(format)&0xFFFF);
if (st->codec->codec_type != CODEC_TYPE_VIDEO && id > 0) {
st->codec->codec_type = CODEC_TYPE_AUDIO;
} else if (st->codec->codec_type != CODEC_TYPE_AUDIO && /* do not overwrite codec type */
- format && format != MKTAG('m', 'p', '4', 's')) { /* skip old asf mpeg4 tag */
+ format && format != MKTAG('m','p','4','s')) { /* skip old asf mpeg4 tag */
id = codec_get_id(codec_movvideo_tags, format);
if (id <= 0)
id = codec_get_id(codec_bmp_tags, format);
(format >> 24) & 0xff, st->codec->codec_type);
if(st->codec->codec_type==CODEC_TYPE_VIDEO) {
+ uint8_t codec_name[32];
+ unsigned int color_depth;
+ int color_greyscale;
+
st->codec->codec_id = id;
get_be16(pb); /* version */
get_be16(pb); /* revision level */
get_be32(pb); /* horiz resolution */
get_be32(pb); /* vert resolution */
get_be32(pb); /* data size, always 0 */
- frames_per_sample = get_be16(pb); /* frames per samples */
+ get_be16(pb); /* frames per samples */
- dprintf(c->fc, "frames/samples = %d\n", frames_per_sample);
-
- get_buffer(pb, codec_name, 32); /* codec name, pascal string (FIXME: true for mp4?) */
+ get_buffer(pb, codec_name, 32); /* codec name, pascal string */
if (codec_name[0] <= 31) {
memcpy(st->codec->codec_name, &codec_name[1],codec_name[0]);
st->codec->codec_name[codec_name[0]] = 0;
}
- st->codec->bits_per_sample = get_be16(pb); /* depth */
+ st->codec->bits_per_coded_sample = get_be16(pb); /* depth */
st->codec->color_table_id = get_be16(pb); /* colortable id */
dprintf(c->fc, "depth %d, ctab id %d\n",
- st->codec->bits_per_sample, st->codec->color_table_id);
+ st->codec->bits_per_coded_sample, st->codec->color_table_id);
/* figure out the palette situation */
- color_depth = st->codec->bits_per_sample & 0x1F;
- color_greyscale = st->codec->bits_per_sample & 0x20;
+ color_depth = st->codec->bits_per_coded_sample & 0x1F;
+ color_greyscale = st->codec->bits_per_coded_sample & 0x20;
/* if the depth is 2, 4, or 8 bpp, file is palettized */
if ((color_depth == 2) || (color_depth == 4) ||
(color_depth == 8)) {
+ /* for palette traversal */
+ unsigned int color_start, color_count, color_end;
+ unsigned char r, g, b;
+
if (color_greyscale) {
+ int color_index, color_dec;
/* compute the greyscale palette */
- st->codec->bits_per_sample = color_depth;
+ st->codec->bits_per_coded_sample = color_depth;
color_count = 1 << color_depth;
color_index = 255;
color_dec = 256 / (color_count - 1);
if (color_index < 0)
color_index = 0;
}
- } else if (st->codec->color_table_id & 0x08) {
+ } else if (st->codec->color_table_id) {
+ const uint8_t *color_table;
/* if flag bit 3 is set, use the default palette */
color_count = 1 << color_depth;
if (color_depth == 2)
} else
st->codec->palctrl = NULL;
} else if(st->codec->codec_type==CODEC_TYPE_AUDIO) {
- int bits_per_sample;
+ int bits_per_sample, flags;
uint16_t version = get_be16(pb);
st->codec->codec_id = id;
st->codec->channels = get_be16(pb); /* channel count */
dprintf(c->fc, "audio channels %d\n", st->codec->channels);
- st->codec->bits_per_sample = get_be16(pb); /* sample size */
+ st->codec->bits_per_coded_sample = get_be16(pb); /* sample size */
sc->audio_cid = get_be16(pb);
get_be16(pb); /* packet size = 0 */
st->codec->sample_rate = ((get_be32(pb) >> 16));
+ //Read QT version 1 fields. In version 0 these do not exist.
+ dprintf(c->fc, "version =%d, isom =%d\n",version,c->isom);
+ if(!c->isom) {
+ if(version==1) {
+ sc->samples_per_frame = get_be32(pb);
+ get_be32(pb); /* bytes per packet */
+ sc->bytes_per_frame = get_be32(pb);
+ get_be32(pb); /* bytes per sample */
+ } else if(version==2) {
+ get_be32(pb); /* sizeof struct only */
+ st->codec->sample_rate = av_int2dbl(get_be64(pb)); /* float 64 */
+ st->codec->channels = get_be32(pb);
+ get_be32(pb); /* always 0x7F000000 */
+ st->codec->bits_per_coded_sample = get_be32(pb); /* bits per channel if sound is uncompressed */
+ flags = get_be32(pb); /* lcpm format specific flag */
+ sc->bytes_per_frame = get_be32(pb); /* bytes per audio packet if constant */
+ sc->samples_per_frame = get_be32(pb); /* lpcm frames per audio packet if constant */
+ if (format == MKTAG('l','p','c','m'))
+ st->codec->codec_id = mov_get_lpcm_codec_id(st->codec->bits_per_coded_sample, flags);
+ }
+ }
+
switch (st->codec->codec_id) {
case CODEC_ID_PCM_S8:
case CODEC_ID_PCM_U8:
- if (st->codec->bits_per_sample == 16)
+ if (st->codec->bits_per_coded_sample == 16)
st->codec->codec_id = CODEC_ID_PCM_S16BE;
break;
case CODEC_ID_PCM_S16LE:
case CODEC_ID_PCM_S16BE:
- if (st->codec->bits_per_sample == 8)
+ if (st->codec->bits_per_coded_sample == 8)
st->codec->codec_id = CODEC_ID_PCM_S8;
- else if (st->codec->bits_per_sample == 24)
- st->codec->codec_id = CODEC_ID_PCM_S24BE;
+ else if (st->codec->bits_per_coded_sample == 24)
+ st->codec->codec_id =
+ st->codec->codec_id == CODEC_ID_PCM_S16BE ?
+ CODEC_ID_PCM_S24BE : CODEC_ID_PCM_S24LE;
break;
/* set values for old format before stsd version 1 appeared */
case CODEC_ID_MACE3:
sc->samples_per_frame = 64;
sc->bytes_per_frame = 34*st->codec->channels;
break;
+ case CODEC_ID_GSM:
+ sc->samples_per_frame = 160;
+ sc->bytes_per_frame = 33;
+ break;
default:
break;
}
- //Read QT version 1 fields. In version 0 these do not exist.
- dprintf(c->fc, "version =%d, isom =%d\n",version,c->isom);
- if(!c->isom) {
- if(version==1) {
- sc->samples_per_frame = get_be32(pb);
- get_be32(pb); /* bytes per packet */
- sc->bytes_per_frame = get_be32(pb);
- get_be32(pb); /* bytes per sample */
- } else if(version==2) {
- get_be32(pb); /* sizeof struct only */
- st->codec->sample_rate = av_int2dbl(get_be64(pb)); /* float 64 */
- st->codec->channels = get_be32(pb);
- get_be32(pb); /* always 0x7F000000 */
- get_be32(pb); /* bits per channel if sound is uncompressed */
- get_be32(pb); /* lcpm format specific flag */
- get_be32(pb); /* bytes per audio packet if constant */
- get_be32(pb); /* lpcm frames per audio packet if constant */
- }
- }
-
bits_per_sample = av_get_bits_per_sample(st->codec->codec_id);
if (bits_per_sample) {
- st->codec->bits_per_sample = bits_per_sample;
+ st->codec->bits_per_coded_sample = bits_per_sample;
sc->sample_size = (bits_per_sample >> 3) * st->codec->channels;
}
} else if(st->codec->codec_type==CODEC_TYPE_SUBTITLE){
st->codec->sample_rate= 16000;
st->codec->channels= 1; /* really needed */
break;
+ case CODEC_ID_QCELP:
case CODEC_ID_AMR_NB:
+ st->codec->frame_size= sc->samples_per_frame;
st->codec->sample_rate= 8000;
st->codec->channels= 1; /* really needed */
break;
st->codec->codec_type = CODEC_TYPE_AUDIO; /* force type after stsd for m1a hdlr */
st->need_parsing = AVSTREAM_PARSE_FULL;
break;
+ case CODEC_ID_GSM:
case CODEC_ID_ADPCM_MS:
case CODEC_ID_ADPCM_IMA_WAV:
st->codec->block_align = sc->bytes_per_frame;
break;
+ case CODEC_ID_ALAC:
+ if (st->codec->extradata_size == 36)
+ st->codec->frame_size = AV_RB32((st->codec->extradata+12));
+ break;
default:
break;
}
int duration =get_be32(pb);
if (duration < 0) {
- av_log(c->fc, AV_LOG_ERROR, "negative ctts, ignoring\n");
+ av_log(c->fc, AV_LOG_WARNING, "negative ctts, ignoring\n");
sc->ctts_count = 0;
url_fskip(pb, 8 * (entries - i - 1));
break;
unsigned int stss_index = 0;
unsigned int i, j;
- if (sc->sample_sizes || st->codec->codec_type == CODEC_TYPE_VIDEO ||
- sc->audio_cid == -2) {
+ /* only use old uncompressed audio chunk demuxing when stts specifies it */
+ if (!(st->codec->codec_type == CODEC_TYPE_AUDIO &&
+ sc->stts_count == 1 && sc->stts_data[0].duration == 1)) {
unsigned int current_sample = 0;
unsigned int stts_sample = 0;
unsigned int keyframe, sample_size;
stss_index++;
}
sample_size = sc->sample_size > 0 ? sc->sample_size : sc->sample_sizes[current_sample];
- dprintf(mov->fc, "AVIndex stream %d, sample %d, offset %"PRIx64", dts %"PRId64", "
- "size %d, distance %d, keyframe %d\n", st->index, current_sample,
- current_offset, current_dts, sample_size, distance, keyframe);
- if(sc->sample_to_chunk[stsc_index].id - 1 == sc->pseudo_stream_id)
+ if(sc->pseudo_stream_id == -1 ||
+ sc->sample_to_chunk[stsc_index].id - 1 == sc->pseudo_stream_id) {
av_add_index_entry(st, current_offset, current_dts, sample_size, distance,
keyframe ? AVINDEX_KEYFRAME : 0);
+ dprintf(mov->fc, "AVIndex stream %d, sample %d, offset %"PRIx64", dts %"PRId64", "
+ "size %d, distance %d, keyframe %d\n", st->index, current_sample,
+ current_offset, current_dts, sample_size, distance, keyframe);
+ }
current_offset += sample_size;
assert(sc->stts_data[stts_index].duration % sc->time_rate == 0);
current_dts += sc->stts_data[stts_index].duration / sc->time_rate;
/* get chunk size, beware of alaw/ulaw/mace */
if (sc->samples_per_frame > 0 &&
(chunk_samples * sc->bytes_per_frame % sc->samples_per_frame == 0)) {
- if (sc->samples_per_frame < 1024)
+ if (sc->samples_per_frame < 160)
chunk_size = chunk_samples * sc->bytes_per_frame / sc->samples_per_frame;
else {
chunk_size = sc->bytes_per_frame;
frames = chunk_samples / sc->samples_per_frame;
chunk_samples = sc->samples_per_frame;
}
- } else if (sc->sample_size > 1 || st->codec->bits_per_sample == 8) {
+ } else
chunk_size = chunk_samples * sc->sample_size;
- } else {
- av_log(mov->fc, AV_LOG_ERROR, "could not determine chunk size, report problem\n");
- goto out;
- }
for (j = 0; j < frames; j++) {
av_add_index_entry(st, current_offset, current_dts, chunk_size, 0, AVINDEX_KEYFRAME);
/* get chunk duration */
}
}
current_offset += sc->bytes_per_frame;
- dprintf(mov->fc, "AVIndex stream %d, chunk %d, offset %"PRIx64", dts %"PRId64", size %d, "
- "duration %d\n", st->index, i, current_offset, current_dts, chunk_size, chunk_duration);
+ dprintf(mov->fc, "AVIndex stream %d, chunk %d, offset %"PRIx64", dts %"PRId64", "
+ "size %d, duration %d\n", st->index, i, current_offset, current_dts,
+ chunk_size, chunk_duration);
assert(chunk_duration % sc->time_rate == 0);
current_dts += chunk_duration / sc->time_rate;
}
return ret;
/* sanity checks */
- if(!sc->stts_count || !sc->chunk_count || !sc->sample_to_chunk_sz ||
- (!sc->sample_size && !sc->sample_count)){
- av_log(c->fc, AV_LOG_ERROR, "missing mandatory atoms, broken header\n");
+ if(sc->chunk_count && (!sc->stts_count || !sc->sample_to_chunk_sz ||
+ (!sc->sample_size && !sc->sample_count))){
+ av_log(c->fc, AV_LOG_ERROR, "stream %d, missing mandatory atoms, broken header\n",
+ st->index);
sc->sample_count = 0; //ignore track
return 0;
}
sc->time_scale= c->time_scale;
av_set_pts_info(st, 64, sc->time_rate, sc->time_scale);
- if (st->codec->codec_type == CODEC_TYPE_AUDIO && sc->stts_count == 1)
+ if (st->codec->codec_type == CODEC_TYPE_AUDIO &&
+ !st->codec->frame_size && sc->stts_count == 1)
st->codec->frame_size = av_rescale(sc->time_rate, st->codec->sample_rate, sc->time_scale);
if(st->duration != AV_NOPTS_VALUE){
if (sc->dref_id-1 < sc->drefs_count && sc->drefs[sc->dref_id-1].path) {
if (url_fopen(&sc->pb, sc->drefs[sc->dref_id-1].path, URL_RDONLY) < 0)
- av_log(c->fc, AV_LOG_ERROR, "stream %d, error opening external essence: %s\n",
- st->index, strerror(errno));
+ av_log(c->fc, AV_LOG_ERROR, "stream %d, error opening file %s: %s\n",
+ st->index, sc->drefs[sc->dref_id-1].path, strerror(errno));
} else
sc->pb = c->fc->pb;
st->codec->width= 0; /* let decoder init width/height */
st->codec->height= 0;
break;
-#ifdef CONFIG_LIBFAAD
- case CODEC_ID_AAC:
-#endif
-#ifdef CONFIG_VORBIS_DECODER
- case CODEC_ID_VORBIS:
-#endif
- case CODEC_ID_MP3ON4:
- st->codec->sample_rate= 0; /* let decoder init parameters properly */
- break;
}
/* Do not need those anymore. */
static int mov_read_tkhd(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
{
+ int i;
+ int width;
+ int height;
+ int64_t disp_transform[2];
+ int display_matrix[3][2];
AVStream *st = c->fc->streams[c->fc->nb_streams-1];
int version = get_byte(pb);
st->id = (int)get_be32(pb); /* track id (NOT 0 !)*/
get_be32(pb); /* reserved */
st->start_time = 0; /* check */
- (version == 1) ? get_be64(pb) : get_be32(pb); /* highlevel (considering edits) duration in movie timebase */
+ /* highlevel (considering edits) duration in movie timebase */
+ (version == 1) ? get_be64(pb) : get_be32(pb);
get_be32(pb); /* reserved */
get_be32(pb); /* reserved */
get_be16(pb); /* volume */
get_be16(pb); /* reserved */
- url_fskip(pb, 36); /* display matrix */
+ //read in the display matrix (outlined in ISO 14496-12, Section 6.2.2)
+ // they're kept in fixed point format through all calculations
+ // ignore u,v,z b/c we don't need the scale factor to calc aspect ratio
+ for (i = 0; i < 3; i++) {
+ display_matrix[i][0] = get_be32(pb); // 16.16 fixed point
+ display_matrix[i][1] = get_be32(pb); // 16.16 fixed point
+ get_be32(pb); // 2.30 fixed point (not used)
+ }
- /* those are fixed-point */
- get_be32(pb); /* track width */
- get_be32(pb); /* track height */
+ width = get_be32(pb); // 16.16 fixed point track width
+ height = get_be32(pb); // 16.16 fixed point track height
+
+ //transform the display width/height according to the matrix
+ // skip this if the display matrix is the default identity matrix
+ // to keep the same scale, use [width height 1<<16]
+ if (width && height &&
+ (display_matrix[0][0] != 65536 || display_matrix[0][1] ||
+ display_matrix[1][0] || display_matrix[1][1] != 65536 ||
+ display_matrix[2][0] || display_matrix[2][1])) {
+ for (i = 0; i < 2; i++)
+ disp_transform[i] =
+ (int64_t) width * display_matrix[0][i] +
+ (int64_t) height * display_matrix[1][i] +
+ ((int64_t) display_matrix[2][i] << 16);
+
+ //sample aspect ratio is new width/height divided by old width/height
+ st->sample_aspect_ratio = av_d2q(
+ ((double) disp_transform[0] * height) /
+ ((double) disp_transform[1] * width), INT_MAX);
+ }
+ return 0;
+}
+static int mov_read_tfhd(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
+{
+ MOVFragment *frag = &c->fragment;
+ MOVTrackExt *trex = NULL;
+ int flags, track_id, i;
+
+ get_byte(pb); /* version */
+ flags = get_be24(pb);
+
+ track_id = get_be32(pb);
+ if (!track_id || track_id > c->fc->nb_streams)
+ return -1;
+ frag->track_id = track_id;
+ for (i = 0; i < c->trex_count; i++)
+ if (c->trex_data[i].track_id == frag->track_id) {
+ trex = &c->trex_data[i];
+ break;
+ }
+ if (!trex) {
+ av_log(c->fc, AV_LOG_ERROR, "could not find corresponding trex\n");
+ return -1;
+ }
+
+ if (flags & 0x01) frag->base_data_offset = get_be64(pb);
+ else frag->base_data_offset = frag->moof_offset;
+ if (flags & 0x02) frag->stsd_id = get_be32(pb);
+ else frag->stsd_id = trex->stsd_id;
+
+ frag->duration = flags & 0x08 ? get_be32(pb) : trex->duration;
+ frag->size = flags & 0x10 ? get_be32(pb) : trex->size;
+ frag->flags = flags & 0x20 ? get_be32(pb) : trex->flags;
+ dprintf(c->fc, "frag flags 0x%x\n", frag->flags);
+ return 0;
+}
+
+static int mov_read_trex(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
+{
+ MOVTrackExt *trex;
+
+ if ((uint64_t)c->trex_count+1 >= UINT_MAX / sizeof(*c->trex_data))
+ return -1;
+ c->trex_data = av_realloc(c->trex_data, (c->trex_count+1)*sizeof(*c->trex_data));
+ if (!c->trex_data)
+ return AVERROR(ENOMEM);
+ trex = &c->trex_data[c->trex_count++];
+ get_byte(pb); /* version */
+ get_be24(pb); /* flags */
+ trex->track_id = get_be32(pb);
+ trex->stsd_id = get_be32(pb);
+ trex->duration = get_be32(pb);
+ trex->size = get_be32(pb);
+ trex->flags = get_be32(pb);
+ return 0;
+}
+
+static int mov_read_trun(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
+{
+ MOVFragment *frag = &c->fragment;
+ AVStream *st;
+ MOVStreamContext *sc;
+ uint64_t offset;
+ int64_t dts;
+ int data_offset = 0;
+ unsigned entries, first_sample_flags = frag->flags;
+ int flags, distance, i;
+
+ if (!frag->track_id || frag->track_id > c->fc->nb_streams)
+ return -1;
+ st = c->fc->streams[frag->track_id-1];
+ sc = st->priv_data;
+ if (sc->pseudo_stream_id+1 != frag->stsd_id)
+ return 0;
+ get_byte(pb); /* version */
+ flags = get_be24(pb);
+ entries = get_be32(pb);
+ dprintf(c->fc, "flags 0x%x entries %d\n", flags, entries);
+ if (flags & 0x001) data_offset = get_be32(pb);
+ if (flags & 0x004) first_sample_flags = get_be32(pb);
+ if (flags & 0x800) {
+ if ((uint64_t)entries+sc->ctts_count >= UINT_MAX/sizeof(*sc->ctts_data))
+ return -1;
+ sc->ctts_data = av_realloc(sc->ctts_data,
+ (entries+sc->ctts_count)*sizeof(*sc->ctts_data));
+ if (!sc->ctts_data)
+ return AVERROR(ENOMEM);
+ }
+ dts = st->duration;
+ offset = frag->base_data_offset + data_offset;
+ distance = 0;
+ dprintf(c->fc, "first sample flags 0x%x\n", first_sample_flags);
+ for (i = 0; i < entries; i++) {
+ unsigned sample_size = frag->size;
+ int sample_flags = i ? frag->flags : first_sample_flags;
+ unsigned sample_duration = frag->duration;
+ int keyframe;
+
+ if (flags & 0x100) sample_duration = get_be32(pb);
+ if (flags & 0x200) sample_size = get_be32(pb);
+ if (flags & 0x400) sample_flags = get_be32(pb);
+ if (flags & 0x800) {
+ sc->ctts_data[sc->ctts_count].count = 1;
+ sc->ctts_data[sc->ctts_count].duration = get_be32(pb);
+ sc->ctts_count++;
+ }
+ if ((keyframe = st->codec->codec_type == CODEC_TYPE_AUDIO ||
+ (flags & 0x004 && !i && !sample_flags) || sample_flags & 0x2000000))
+ distance = 0;
+ av_add_index_entry(st, offset, dts, sample_size, distance,
+ keyframe ? AVINDEX_KEYFRAME : 0);
+ dprintf(c->fc, "AVIndex stream %d, sample %d, offset %"PRIx64", dts %"PRId64", "
+ "size %d, distance %d, keyframe %d\n", st->index, sc->sample_count+i,
+ offset, dts, sample_size, distance, keyframe);
+ distance++;
+ assert(sample_duration % sc->time_rate == 0);
+ dts += sample_duration / sc->time_rate;
+ offset += sample_size;
+ }
+ frag->moof_offset = offset;
+ sc->sample_count = st->nb_index_entries;
+ st->duration = dts;
return 0;
}
atom.type = get_le32(pb);
atom.offset += 8;
atom.size -= 8;
- if (atom.type != MKTAG('m', 'd', 'a', 't')) {
+ if (atom.type != MKTAG('m','d','a','t')) {
url_fskip(pb, atom.size);
return 0;
}
uint8_t *cmov_data;
uint8_t *moov_data; /* uncompressed data */
long cmov_len, moov_len;
- int ret;
+ int ret = -1;
get_be32(pb); /* dcom atom */
- if (get_le32(pb) != MKTAG( 'd', 'c', 'o', 'm' ))
+ if (get_le32(pb) != MKTAG('d','c','o','m'))
return -1;
- if (get_le32(pb) != MKTAG( 'z', 'l', 'i', 'b' )) {
+ if (get_le32(pb) != MKTAG('z','l','i','b')) {
av_log(NULL, AV_LOG_ERROR, "unknown compression for cmov atom !");
return -1;
}
get_be32(pb); /* cmvd atom */
- if (get_le32(pb) != MKTAG( 'c', 'm', 'v', 'd' ))
+ if (get_le32(pb) != MKTAG('c','m','v','d'))
return -1;
moov_len = get_be32(pb); /* uncompressed size */
cmov_len = atom.size - 6 * 4;
}
get_buffer(pb, cmov_data, cmov_len);
if(uncompress (moov_data, (uLongf *) &moov_len, (const Bytef *)cmov_data, cmov_len) != Z_OK)
- return -1;
+ goto free_and_return;
if(init_put_byte(&ctx, moov_data, moov_len, 0, NULL, NULL, NULL, NULL) != 0)
- return -1;
- atom.type = MKTAG( 'm', 'o', 'o', 'v' );
+ goto free_and_return;
+ atom.type = MKTAG('m','o','o','v');
atom.offset = 0;
atom.size = moov_len;
#ifdef DEBUG
// { int fd = open("/tmp/uncompheader.mov", O_WRONLY | O_CREAT); write(fd, moov_data, moov_len); close(fd); }
#endif
ret = mov_read_default(c, &ctx, atom);
+free_and_return:
av_free(moov_data);
av_free(cmov_data);
return ret;
}
static const MOVParseTableEntry mov_default_parse_table[] = {
-{ MKTAG( 'c', 'o', '6', '4' ), mov_read_stco },
-{ MKTAG( 'c', 't', 't', 's' ), mov_read_ctts }, /* composition time to sample */
-{ MKTAG( 'd', 'i', 'n', 'f' ), mov_read_default },
-{ MKTAG( 'd', 'r', 'e', 'f' ), mov_read_dref },
-{ MKTAG( 'e', 'd', 't', 's' ), mov_read_default },
-{ MKTAG( 'e', 'l', 's', 't' ), mov_read_elst },
-{ MKTAG( 'e', 'n', 'd', 'a' ), mov_read_enda },
-{ MKTAG( 'f', 'i', 'e', 'l' ), mov_read_extradata },
-{ MKTAG( 'f', 't', 'y', 'p' ), mov_read_ftyp },
-{ MKTAG( 'g', 'l', 'b', 'l' ), mov_read_glbl },
-{ MKTAG( 'h', 'd', 'l', 'r' ), mov_read_hdlr },
-{ MKTAG( 'j', 'p', '2', 'h' ), mov_read_extradata },
-{ MKTAG( 'm', 'd', 'a', 't' ), mov_read_mdat },
-{ MKTAG( 'm', 'd', 'h', 'd' ), mov_read_mdhd },
-{ MKTAG( 'm', 'd', 'i', 'a' ), mov_read_default },
-{ MKTAG( 'm', 'i', 'n', 'f' ), mov_read_default },
-{ MKTAG( 'm', 'o', 'o', 'v' ), mov_read_moov },
-{ MKTAG( 'm', 'v', 'h', 'd' ), mov_read_mvhd },
-{ MKTAG( 'S', 'M', 'I', ' ' ), mov_read_smi }, /* Sorenson extension ??? */
-{ MKTAG( 'a', 'l', 'a', 'c' ), mov_read_extradata }, /* alac specific atom */
-{ MKTAG( 'a', 'v', 'c', 'C' ), mov_read_glbl },
-{ MKTAG( 's', 't', 'b', 'l' ), mov_read_default },
-{ MKTAG( 's', 't', 'c', 'o' ), mov_read_stco },
-{ MKTAG( 's', 't', 's', 'c' ), mov_read_stsc },
-{ MKTAG( 's', 't', 's', 'd' ), mov_read_stsd }, /* sample description */
-{ MKTAG( 's', 't', 's', 's' ), mov_read_stss }, /* sync sample */
-{ MKTAG( 's', 't', 's', 'z' ), mov_read_stsz }, /* sample size */
-{ MKTAG( 's', 't', 't', 's' ), mov_read_stts },
-{ MKTAG( 't', 'k', 'h', 'd' ), mov_read_tkhd }, /* track header */
-{ MKTAG( 't', 'r', 'a', 'k' ), mov_read_trak },
-{ MKTAG( 'u', 'd', 't', 'a' ), mov_read_udta },
-{ MKTAG( 'w', 'a', 'v', 'e' ), mov_read_wave },
-{ MKTAG( 'e', 's', 'd', 's' ), mov_read_esds },
-{ MKTAG( 'w', 'i', 'd', 'e' ), mov_read_wide }, /* place holder */
-{ MKTAG( 'c', 'm', 'o', 'v' ), mov_read_cmov },
+{ MKTAG('a','v','s','s'), mov_read_extradata },
+{ MKTAG('c','o','6','4'), mov_read_stco },
+{ MKTAG('c','t','t','s'), mov_read_ctts }, /* composition time to sample */
+{ MKTAG('d','i','n','f'), mov_read_default },
+{ MKTAG('d','r','e','f'), mov_read_dref },
+{ MKTAG('e','d','t','s'), mov_read_default },
+{ MKTAG('e','l','s','t'), mov_read_elst },
+{ MKTAG('e','n','d','a'), mov_read_enda },
+{ MKTAG('f','i','e','l'), mov_read_extradata },
+{ MKTAG('f','t','y','p'), mov_read_ftyp },
+{ MKTAG('g','l','b','l'), mov_read_glbl },
+{ MKTAG('h','d','l','r'), mov_read_hdlr },
+{ MKTAG('j','p','2','h'), mov_read_extradata },
+{ MKTAG('m','d','a','t'), mov_read_mdat },
+{ MKTAG('m','d','h','d'), mov_read_mdhd },
+{ MKTAG('m','d','i','a'), mov_read_default },
+{ MKTAG('m','i','n','f'), mov_read_default },
+{ MKTAG('m','o','o','f'), mov_read_moof },
+{ MKTAG('m','o','o','v'), mov_read_moov },
+{ MKTAG('m','v','e','x'), mov_read_default },
+{ MKTAG('m','v','h','d'), mov_read_mvhd },
+{ MKTAG('S','M','I',' '), mov_read_smi }, /* Sorenson extension ??? */
+{ MKTAG('a','l','a','c'), mov_read_extradata }, /* alac specific atom */
+{ MKTAG('a','v','c','C'), mov_read_glbl },
+{ MKTAG('s','t','b','l'), mov_read_default },
+{ MKTAG('s','t','c','o'), mov_read_stco },
+{ MKTAG('s','t','s','c'), mov_read_stsc },
+{ MKTAG('s','t','s','d'), mov_read_stsd }, /* sample description */
+{ MKTAG('s','t','s','s'), mov_read_stss }, /* sync sample */
+{ MKTAG('s','t','s','z'), mov_read_stsz }, /* sample size */
+{ MKTAG('s','t','t','s'), mov_read_stts },
+{ MKTAG('t','k','h','d'), mov_read_tkhd }, /* track header */
+{ MKTAG('t','f','h','d'), mov_read_tfhd }, /* track fragment header */
+{ MKTAG('t','r','a','k'), mov_read_trak },
+{ MKTAG('t','r','a','f'), mov_read_default },
+{ MKTAG('t','r','e','x'), mov_read_trex },
+{ MKTAG('t','r','u','n'), mov_read_trun },
+{ MKTAG('u','d','t','a'), mov_read_udta },
+{ MKTAG('w','a','v','e'), mov_read_wave },
+{ MKTAG('e','s','d','s'), mov_read_esds },
+{ MKTAG('w','i','d','e'), mov_read_wide }, /* place holder */
+{ MKTAG('c','m','o','v'), mov_read_cmov },
{ 0, NULL }
};
tag = AV_RL32(p->buf + offset + 4);
switch(tag) {
/* check for obvious tags */
- case MKTAG( 'j', 'P', ' ', ' ' ): /* jpeg 2000 signature */
- case MKTAG( 'm', 'o', 'o', 'v' ):
- case MKTAG( 'm', 'd', 'a', 't' ):
- case MKTAG( 'p', 'n', 'o', 't' ): /* detect movs with preview pics like ew.mov and april.mov */
- case MKTAG( 'u', 'd', 't', 'a' ): /* Packet Video PVAuthor adds this and a lot of more junk */
+ case MKTAG('j','P',' ',' '): /* jpeg 2000 signature */
+ case MKTAG('m','o','o','v'):
+ case MKTAG('m','d','a','t'):
+ case MKTAG('p','n','o','t'): /* detect movs with preview pics like ew.mov and april.mov */
+ case MKTAG('u','d','t','a'): /* Packet Video PVAuthor adds this and a lot of more junk */
+ case MKTAG('f','t','y','p'):
return AVPROBE_SCORE_MAX;
/* those are more common words, so rate then a bit less */
- case MKTAG( 'e', 'd', 'i', 'w' ): /* xdcam files have reverted first tags */
- case MKTAG( 'w', 'i', 'd', 'e' ):
- case MKTAG( 'f', 'r', 'e', 'e' ):
- case MKTAG( 'j', 'u', 'n', 'k' ):
- case MKTAG( 'p', 'i', 'c', 't' ):
+ case MKTAG('e','d','i','w'): /* xdcam files have reverted first tags */
+ case MKTAG('w','i','d','e'):
+ case MKTAG('f','r','e','e'):
+ case MKTAG('j','u','n','k'):
+ case MKTAG('p','i','c','t'):
return AVPROBE_SCORE_MAX - 5;
- case MKTAG(0x82,0x82,0x7f,0x7d ):
- case MKTAG( 'f', 't', 'y', 'p' ):
- case MKTAG( 's', 'k', 'i', 'p' ):
- case MKTAG( 'u', 'u', 'i', 'd' ):
+ case MKTAG(0x82,0x82,0x7f,0x7d):
+ case MKTAG('s','k','i','p'):
+ case MKTAG('u','u','i','d'):
+ case MKTAG('p','r','f','l'):
offset = AV_RB32(p->buf+offset) + offset;
/* if we only find those cause probedata is too small at least rate them */
score = AVPROBE_SCORE_MAX - 50;
MOV_atom_t atom = { 0, 0, 0 };
mov->fc = s;
-
- if(!url_is_streamed(pb)) /* .mov and .mp4 aren't streamable anyway (only progressive download if moov is before mdat) */
+ /* .mov and .mp4 aren't streamable anyway (only progressive download if moov is before mdat) */
+ if(!url_is_streamed(pb))
atom.size = url_fsize(pb);
else
atom.size = INT64_MAX;
/* check MOV header */
- err = mov_read_default(mov, pb, atom);
- if (err<0 || (!mov->found_moov && !mov->found_mdat)) {
- av_log(s, AV_LOG_ERROR, "mov: header not found !!! (err:%d, moov:%d, mdat:%d) pos:%"PRId64"\n",
- err, mov->found_moov, mov->found_mdat, url_ftell(pb));
+ if ((err = mov_read_default(mov, pb, atom)) < 0) {
+ av_log(s, AV_LOG_ERROR, "error reading header: %d\n", err);
+ return err;
+ }
+ if (!mov->found_moov) {
+ av_log(s, AV_LOG_ERROR, "moov atom not found\n");
return -1;
}
- dprintf(mov->fc, "on_parse_exit_offset=%d\n", (int) url_ftell(pb));
+ dprintf(mov->fc, "on_parse_exit_offset=%lld\n", url_ftell(pb));
return 0;
}
AVIndexEntry *sample = 0;
int64_t best_dts = INT64_MAX;
int i;
-
+ retry:
for (i = 0; i < s->nb_streams; i++) {
AVStream *st = s->streams[i];
MOVStreamContext *msc = st->priv_data;
}
}
}
- if (!sample)
- return -1;
+ if (!sample) {
+ mov->found_mdat = 0;
+ if (!url_is_streamed(s->pb) ||
+ mov_read_default(mov, s->pb, (MOV_atom_t){ 0, 0, INT64_MAX }) < 0 ||
+ url_feof(s->pb))
+ return -1;
+ dprintf(s, "read fragments, offset 0x%llx\n", url_ftell(s->pb));
+ goto retry;
+ }
/* must be done just before reading, to avoid infinite loop on sample */
sc->current_sample++;
if (url_fseek(sc->pb, sample->pos, SEEK_SET) != sample->pos) {
sc->sample_to_ctime_sample = 0;
}
} else {
+ AVStream *st = s->streams[sc->ffindex];
+ int64_t next_dts = (sc->current_sample < sc->sample_count) ?
+ st->index_entries[sc->current_sample].timestamp : st->duration;
+ pkt->duration = next_dts - pkt->dts;
pkt->pts = pkt->dts;
}
pkt->flags |= sample->flags & AVINDEX_KEYFRAME ? PKT_FLAG_KEY : 0;
av_freep(&mov->dv_fctx);
av_freep(&mov->dv_demux);
}
+ av_freep(&mov->trex_data);
return 0;
}
AVInputFormat mov_demuxer = {
"mov,mp4,m4a,3gp,3g2,mj2",
- "QuickTime/MPEG4/Motion JPEG 2000 format",
+ NULL_IF_CONFIG_SMALL("QuickTime/MPEG-4/Motion JPEG 2000 format"),
sizeof(MOVContext),
mov_probe,
mov_read_header,