//#define DEBUG
//#define MOV_EXPORT_ALL_METADATA
+#include "libavutil/attributes.h"
#include "libavutil/audioconvert.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/intfloat.h"
int (*parse)(MOVContext *ctx, AVIOContext *pb, MOVAtom atom);
} MOVParseTableEntry;
-static const MOVParseTableEntry mov_default_parse_table[];
+static int mov_read_default(MOVContext *c, AVIOContext *pb, MOVAtom atom);
static int mov_metadata_track_or_disc_number(MOVContext *c, AVIOContext *pb,
unsigned len, const char *key)
{
char buf[16];
- short current, total;
+ short current, total = 0;
avio_rb16(pb); // unknown
current = avio_rb16(pb);
- total = avio_rb16(pb);
+ if (len >= 6)
+ total = avio_rb16(pb);
if (!total)
snprintf(buf, sizeof(buf), "%d", current);
else
return p - dst;
}
+static int mov_read_covr(MOVContext *c, AVIOContext *pb, int type, int len)
+{
+ AVPacket pkt;
+ AVStream *st;
+ MOVStreamContext *sc;
+ enum CodecID id;
+ int ret;
+
+ switch (type) {
+ case 0xd: id = CODEC_ID_MJPEG; break;
+ case 0xe: id = CODEC_ID_PNG; break;
+ case 0x1b: id = CODEC_ID_BMP; break;
+ default:
+ av_log(c->fc, AV_LOG_WARNING, "Unknown cover type: 0x%x.\n", type);
+ avio_skip(pb, len);
+ return 0;
+ }
+
+ st = avformat_new_stream(c->fc, NULL);
+ if (!st)
+ return AVERROR(ENOMEM);
+ sc = av_mallocz(sizeof(*sc));
+ if (!sc)
+ return AVERROR(ENOMEM);
+ st->priv_data = sc;
+
+ ret = av_get_packet(pb, &pkt, len);
+ if (ret < 0)
+ return ret;
+
+ st->disposition |= AV_DISPOSITION_ATTACHED_PIC;
+
+ st->attached_pic = pkt;
+ st->attached_pic.stream_index = st->index;
+ st->attached_pic.flags |= AV_PKT_FLAG_KEY;
+
+ st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
+ st->codec->codec_id = id;
+
+ return 0;
+}
+
static int mov_read_udta_string(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
#ifdef MOV_EXPORT_ALL_METADATA
#endif
char str[1024], key2[16], language[4] = {0};
const char *key = NULL;
- uint16_t str_size, langcode = 0;
- uint32_t data_type = 0;
+ uint16_t langcode = 0;
+ uint32_t data_type = 0, str_size;
int (*parse)(MOVContext*, AVIOContext*, unsigned, const char*) = NULL;
switch (atom.type) {
avio_rb32(pb); // unknown
str_size = data_size - 16;
atom.size -= 16;
+
+ if (atom.type == MKTAG('c', 'o', 'v', 'r')) {
+ int ret = mov_read_covr(c, pb, data_type, str_size);
+ if (ret < 0) {
+ av_log(c->fc, AV_LOG_ERROR, "Error parsing cover art.\n");
+ return ret;
+ }
+ }
} else return 0;
} else if (atom.size > 4 && key && !c->itunes_metadata) {
str_size = avio_rb16(pb); // string length
return 0;
}
-static int mov_read_default(MOVContext *c, AVIOContext *pb, MOVAtom atom)
-{
- int64_t total_size = 0;
- MOVAtom a;
- int i;
-
- if (atom.size < 0)
- atom.size = INT64_MAX;
- while (total_size + 8 < atom.size && !pb->eof_reached) {
- int (*parse)(MOVContext*, AVIOContext*, MOVAtom) = NULL;
- a.size = atom.size;
- a.type=0;
- if (atom.size >= 8) {
- a.size = avio_rb32(pb);
- a.type = avio_rl32(pb);
- }
- av_dlog(c->fc, "type: %08x '%.4s' parent:'%.4s' sz: %"PRId64" %"PRId64" %"PRId64"\n",
- a.type, (char*)&a.type, (char*)&atom.type, a.size, total_size, atom.size);
- total_size += 8;
- if (a.size == 1) { /* 64 bit extended size */
- a.size = avio_rb64(pb) - 8;
- total_size += 8;
- }
- if (a.size == 0) {
- a.size = atom.size - total_size;
- if (a.size <= 8)
- break;
- }
- a.size -= 8;
- if (a.size < 0)
- break;
- a.size = FFMIN(a.size, atom.size - total_size);
-
- for (i = 0; mov_default_parse_table[i].type; i++)
- if (mov_default_parse_table[i].type == a.type) {
- parse = mov_default_parse_table[i].parse;
- break;
- }
-
- // container is user data
- if (!parse && (atom.type == MKTAG('u','d','t','a') ||
- atom.type == MKTAG('i','l','s','t')))
- parse = mov_read_udta_string;
-
- if (!parse) { /* skip leaf atoms data */
- avio_skip(pb, a.size);
- } else {
- int64_t start_pos = avio_tell(pb);
- int64_t left;
- int err = parse(c, pb, a);
- if (err < 0)
- return err;
- if (c->found_moov && c->found_mdat &&
- ((!pb->seekable || c->fc->flags & AVFMT_FLAG_IGNIDX) ||
- start_pos + a.size == avio_size(pb))) {
- if (!pb->seekable || c->fc->flags & AVFMT_FLAG_IGNIDX)
- c->next_root_atom = start_pos + a.size;
- return 0;
- }
- left = a.size - avio_tell(pb) + start_pos;
- if (left > 0) /* skip garbage at atom end */
- avio_skip(pb, left);
- }
-
- total_size += a.size;
- }
-
- if (total_size < atom.size && atom.size < 0x7ffff)
- avio_skip(pb, atom.size - total_size);
-
- return 0;
-}
-
static int mov_read_dref(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
AVStream *st;
return 0;
}
-static int mov_read_chan(MOVContext *c, AVIOContext *pb, MOVAtom atom)
+static int mov_read_dec3(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
AVStream *st;
- uint8_t version;
- uint32_t flags, layout_tag, bitmap, num_descr, label_mask;
- int i;
+ int eac3info, acmod, lfeon, bsmod;
if (c->fc->nb_streams < 1)
return 0;
st = c->fc->streams[c->fc->nb_streams-1];
- if (atom.size < 16)
- return 0;
+ /* No need to parse fields for additional independent substreams and its
+ * associated dependent substreams since libavcodec's E-AC-3 decoder
+ * does not support them yet. */
+ avio_rb16(pb); /* data_rate and num_ind_sub */
+ eac3info = avio_rb24(pb);
+ bsmod = (eac3info >> 12) & 0x1f;
+ acmod = (eac3info >> 9) & 0x7;
+ lfeon = (eac3info >> 8) & 0x1;
+ st->codec->channel_layout = avpriv_ac3_channel_layout_tab[acmod];
+ if (lfeon)
+ st->codec->channel_layout |= AV_CH_LOW_FREQUENCY;
+ st->codec->channels = av_get_channel_layout_nb_channels(st->codec->channel_layout);
+ st->codec->audio_service_type = bsmod;
+ if (st->codec->channels > 1 && bsmod == 0x7)
+ st->codec->audio_service_type = AV_AUDIO_SERVICE_TYPE_KARAOKE;
- version = avio_r8(pb);
- flags = avio_rb24(pb);
+ return 0;
+}
- layout_tag = avio_rb32(pb);
- bitmap = avio_rb32(pb);
- num_descr = avio_rb32(pb);
+static int mov_read_chan(MOVContext *c, AVIOContext *pb, MOVAtom atom)
+{
+ AVStream *st;
- if (atom.size < 16ULL + num_descr * 20ULL)
+ if (c->fc->nb_streams < 1)
return 0;
+ st = c->fc->streams[c->fc->nb_streams-1];
- av_dlog(c->fc, "chan: size=%ld version=%u flags=%u layout=%u bitmap=%u num_descr=%u\n",
- atom.size, version, flags, layout_tag, bitmap, num_descr);
-
- label_mask = 0;
- for (i = 0; i < num_descr; i++) {
- uint32_t label, cflags;
- label = avio_rb32(pb); // mChannelLabel
- cflags = avio_rb32(pb); // mChannelFlags
- avio_rl32(pb); // mCoordinates[0]
- avio_rl32(pb); // mCoordinates[1]
- avio_rl32(pb); // mCoordinates[2]
- if (layout_tag == 0) {
- uint32_t mask_incr = ff_mov_get_channel_label(label);
- if (mask_incr == 0) {
- label_mask = 0;
- break;
- }
- label_mask |= mask_incr;
- }
- }
- if (layout_tag == 0)
- st->codec->channel_layout = label_mask;
- else
- st->codec->channel_layout = ff_mov_get_channel_layout(layout_tag, bitmap);
+ if (atom.size < 16)
+ return 0;
+
+ ff_mov_read_chan(c->fc, st, atom.size - 4);
return 0;
}
return AVERROR_INVALIDDATA;
if (atom.size >= 10) {
- // Broken files created by legacy versions of Libav and FFmpeg will
+ // Broken files created by legacy versions of libavformat will
// wrap a whole fiel atom inside of a glbl atom.
unsigned size = avio_rb32(pb);
unsigned type = avio_rl32(pb);
return AVERROR_INVALIDDATA;
profile_level = avio_r8(pb);
- if (profile_level & 0xf0 != 0xc0)
+ if ((profile_level & 0xf0) != 0xc0)
return 0;
av_free(st->codec->extradata);
case CODEC_ID_GSM:
case CODEC_ID_ADPCM_MS:
case CODEC_ID_ADPCM_IMA_WAV:
+ case CODEC_ID_ILBC:
st->codec->block_align = sc->bytes_per_frame;
break;
case CODEC_ID_ALAC:
st->codec->sample_rate = AV_RB32(st->codec->extradata+32);
}
break;
+ case CODEC_ID_VC1:
+ st->need_parsing = AVSTREAM_PARSE_FULL;
+ break;
default:
break;
}
unsigned int stts_sample = 0;
unsigned int sample_size;
unsigned int distance = 0;
- int key_off = sc->keyframes && sc->keyframes[0] == 1;
+ int key_off = (sc->keyframes && sc->keyframes[0] > 0) || (sc->stps_data && sc->stps_data[0] > 0);
current_dts -= sc->dts_shift;
#if CONFIG_H263_DECODER
case CODEC_ID_H263:
#endif
-#if CONFIG_H264_DECODER
- case CODEC_ID_H264:
-#endif
#if CONFIG_MPEG4_DECODER
case CODEC_ID_MPEG4:
#endif
{ MKTAG('w','a','v','e'), mov_read_wave },
{ MKTAG('e','s','d','s'), mov_read_esds },
{ MKTAG('d','a','c','3'), mov_read_dac3 }, /* AC-3 info */
+{ MKTAG('d','e','c','3'), mov_read_dec3 }, /* EAC-3 info */
{ MKTAG('w','i','d','e'), mov_read_wide }, /* place holder */
{ MKTAG('w','f','e','x'), mov_read_wfex },
{ MKTAG('c','m','o','v'), mov_read_cmov },
{ 0, NULL }
};
+static int mov_read_default(MOVContext *c, AVIOContext *pb, MOVAtom atom)
+{
+ int64_t total_size = 0;
+ MOVAtom a;
+ int i;
+
+ if (atom.size < 0)
+ atom.size = INT64_MAX;
+ while (total_size + 8 < atom.size && !pb->eof_reached) {
+ int (*parse)(MOVContext*, AVIOContext*, MOVAtom) = NULL;
+ a.size = atom.size;
+ a.type=0;
+ if (atom.size >= 8) {
+ a.size = avio_rb32(pb);
+ a.type = avio_rl32(pb);
+ }
+ av_dlog(c->fc, "type: %08x '%.4s' parent:'%.4s' sz: %"PRId64" %"PRId64" %"PRId64"\n",
+ a.type, (char*)&a.type, (char*)&atom.type, a.size, total_size, atom.size);
+ total_size += 8;
+ if (a.size == 1) { /* 64 bit extended size */
+ a.size = avio_rb64(pb) - 8;
+ total_size += 8;
+ }
+ if (a.size == 0) {
+ a.size = atom.size - total_size;
+ if (a.size <= 8)
+ break;
+ }
+ a.size -= 8;
+ if (a.size < 0)
+ break;
+ a.size = FFMIN(a.size, atom.size - total_size);
+
+ for (i = 0; mov_default_parse_table[i].type; i++)
+ if (mov_default_parse_table[i].type == a.type) {
+ parse = mov_default_parse_table[i].parse;
+ break;
+ }
+
+ // container is user data
+ if (!parse && (atom.type == MKTAG('u','d','t','a') ||
+ atom.type == MKTAG('i','l','s','t')))
+ parse = mov_read_udta_string;
+
+ if (!parse) { /* skip leaf atoms data */
+ avio_skip(pb, a.size);
+ } else {
+ int64_t start_pos = avio_tell(pb);
+ int64_t left;
+ int err = parse(c, pb, a);
+ if (err < 0)
+ return err;
+ if (c->found_moov && c->found_mdat &&
+ ((!pb->seekable || c->fc->flags & AVFMT_FLAG_IGNIDX) ||
+ start_pos + a.size == avio_size(pb))) {
+ if (!pb->seekable || c->fc->flags & AVFMT_FLAG_IGNIDX)
+ c->next_root_atom = start_pos + a.size;
+ return 0;
+ }
+ left = a.size - avio_tell(pb) + start_pos;
+ if (left > 0) /* skip garbage at atom end */
+ avio_skip(pb, left);
+ }
+
+ total_size += a.size;
+ }
+
+ if (total_size < atom.size && atom.size < 0x7ffff)
+ avio_skip(pb, atom.size - total_size);
+
+ return 0;
+}
+
static int mov_probe(AVProbeData *p)
{
unsigned int offset;
avio_seek(sc->pb, cur_pos, SEEK_SET);
}
+static int mov_read_close(AVFormatContext *s)
+{
+ MOVContext *mov = s->priv_data;
+ int i, j;
+
+ for (i = 0; i < s->nb_streams; i++) {
+ AVStream *st = s->streams[i];
+ MOVStreamContext *sc = st->priv_data;
+
+ av_freep(&sc->ctts_data);
+ for (j = 0; j < sc->drefs_count; j++) {
+ av_freep(&sc->drefs[j].path);
+ av_freep(&sc->drefs[j].dir);
+ }
+ av_freep(&sc->drefs);
+ if (sc->pb && sc->pb != s->pb)
+ avio_close(sc->pb);
+ }
+
+ if (mov->dv_demux) {
+ for (i = 0; i < mov->dv_fctx->nb_streams; i++) {
+ av_freep(&mov->dv_fctx->streams[i]->codec);
+ av_freep(&mov->dv_fctx->streams[i]);
+ }
+ av_freep(&mov->dv_fctx);
+ av_freep(&mov->dv_demux);
+ }
+
+ av_freep(&mov->trex_data);
+
+ return 0;
+}
+
static int mov_read_header(AVFormatContext *s)
{
MOVContext *mov = s->priv_data;
/* check MOV header */
if ((err = mov_read_default(mov, pb, atom)) < 0) {
av_log(s, AV_LOG_ERROR, "error reading header: %d\n", err);
+ mov_read_close(s);
return err;
}
if (!mov->found_moov) {
av_log(s, AV_LOG_ERROR, "moov atom not found\n");
+ mov_read_close(s);
return AVERROR_INVALIDDATA;
}
av_dlog(mov->fc, "on_parse_exit_offset=%"PRId64"\n", avio_tell(pb));
return 0;
}
-static int mov_read_close(AVFormatContext *s)
-{
- MOVContext *mov = s->priv_data;
- int i, j;
-
- for (i = 0; i < s->nb_streams; i++) {
- AVStream *st = s->streams[i];
- MOVStreamContext *sc = st->priv_data;
-
- av_freep(&sc->ctts_data);
- for (j = 0; j < sc->drefs_count; j++) {
- av_freep(&sc->drefs[j].path);
- av_freep(&sc->drefs[j].dir);
- }
- av_freep(&sc->drefs);
- if (sc->pb && sc->pb != s->pb)
- avio_close(sc->pb);
- }
-
- if (mov->dv_demux) {
- for (i = 0; i < mov->dv_fctx->nb_streams; i++) {
- av_freep(&mov->dv_fctx->streams[i]->codec);
- av_freep(&mov->dv_fctx->streams[i]);
- }
- av_freep(&mov->dv_fctx);
- av_freep(&mov->dv_demux);
- }
-
- av_freep(&mov->trex_data);
-
- return 0;
-}
-
AVInputFormat ff_mov_demuxer = {
.name = "mov,mp4,m4a,3gp,3g2,mj2",
.long_name = NULL_IF_CONFIG_SMALL("QuickTime/MPEG-4/Motion JPEG 2000 format"),