//#define DEBUG
//#define MOV_EXPORT_ALL_METADATA
-#include "libavutil/audioconvert.h"
+#include "libavutil/attributes.h"
+#include "libavutil/channel_layout.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/intfloat.h"
#include "libavutil/mathematics.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 AVCodecID id;
+ int ret;
+
+ switch (type) {
+ case 0xd: id = AV_CODEC_ID_MJPEG; break;
+ case 0xe: id = AV_CODEC_ID_PNG; break;
+ case 0x1b: id = AV_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;
-}
-
+#define MIN_DATA_ENTRY_BOX_SIZE 12
static int mov_read_dref(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
AVStream *st;
avio_rb32(pb); // version + flags
entries = avio_rb32(pb);
- if (entries >= UINT_MAX / sizeof(*sc->drefs))
+ if (entries > (atom.size - 1) / MIN_DATA_ENTRY_BOX_SIZE + 1 ||
+ entries >= UINT_MAX / sizeof(*sc->drefs))
return AVERROR_INVALIDDATA;
+ av_free(sc->drefs);
sc->drefs = av_mallocz(entries * sizeof(*sc->drefs));
if (!sc->drefs)
return AVERROR(ENOMEM);
avio_skip(pb, 16);
for (type = 0; type != -1 && avio_tell(pb) < next; ) {
+ if (pb->eof_reached)
+ return AVERROR_EOF;
type = avio_rb16(pb);
len = avio_rb16(pb);
av_log(c->fc, AV_LOG_DEBUG, "type %d, len %d\n", type, len);
else if (type == MKTAG('s','o','u','n'))
st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
else if (type == MKTAG('m','1','a',' '))
- st->codec->codec_id = CODEC_ID_MP2;
+ st->codec->codec_id = AV_CODEC_ID_MP2;
else if ((type == MKTAG('s','u','b','p')) || (type == MKTAG('c','l','c','p')))
st->codec->codec_type = AVMEDIA_TYPE_SUBTITLE;
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, pb, st, atom.size - 4);
return 0;
}
version = avio_r8(pb);
if (version > 1) {
- av_log_ask_for_sample(c, "unsupported version %d\n", version);
+ av_log_ask_for_sample(c->fc, "unsupported version %d\n", version);
return AVERROR_PATCHWELCOME;
}
avio_rb24(pb); /* flags */
av_dlog(c->fc, "enda %d\n", little_endian);
if (little_endian == 1) {
switch (st->codec->codec_id) {
- case CODEC_ID_PCM_S24BE:
- st->codec->codec_id = CODEC_ID_PCM_S24LE;
+ case AV_CODEC_ID_PCM_S24BE:
+ st->codec->codec_id = AV_CODEC_ID_PCM_S24LE;
break;
- case CODEC_ID_PCM_S32BE:
- st->codec->codec_id = CODEC_ID_PCM_S32LE;
+ case AV_CODEC_ID_PCM_S32BE:
+ st->codec->codec_id = AV_CODEC_ID_PCM_S32LE;
break;
- case CODEC_ID_PCM_F32BE:
- st->codec->codec_id = CODEC_ID_PCM_F32LE;
+ case AV_CODEC_ID_PCM_F32BE:
+ st->codec->codec_id = AV_CODEC_ID_PCM_F32LE;
break;
- case CODEC_ID_PCM_F64BE:
- st->codec->codec_id = CODEC_ID_PCM_F64LE;
+ case AV_CODEC_ID_PCM_F64BE:
+ st->codec->codec_id = AV_CODEC_ID_PCM_F64LE;
break;
default:
break;
if ((uint64_t)atom.size > (1<<30))
return AVERROR_INVALIDDATA;
- if (st->codec->codec_id == CODEC_ID_QDM2 || st->codec->codec_id == CODEC_ID_QDMC) {
+ if (st->codec->codec_id == AV_CODEC_ID_QDM2 || st->codec->codec_id == AV_CODEC_ID_QDMC) {
// pass all frma atom to codec, needed at least for QDMC and QDM2
av_free(st->codec->extradata);
st->codec->extradata = av_mallocz(atom.size + FF_INPUT_BUFFER_PADDING_SIZE);
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);
sc->chunk_count = entries;
if (atom.type == MKTAG('s','t','c','o'))
- for (i=0; i<entries; i++)
+ for (i = 0; i < entries && !pb->eof_reached; i++)
sc->chunk_offsets[i] = avio_rb32(pb);
else if (atom.type == MKTAG('c','o','6','4'))
- for (i=0; i<entries; i++)
+ for (i = 0; i < entries && !pb->eof_reached; i++)
sc->chunk_offsets[i] = avio_rb64(pb);
else
return AVERROR_INVALIDDATA;
+ sc->chunk_count = i;
+
+ if (pb->eof_reached)
+ return AVERROR_EOF;
+
return 0;
}
* Compute codec id for 'lpcm' tag.
* See CoreAudioTypes and AudioStreamBasicDescription at Apple.
*/
-enum CodecID ff_mov_get_lpcm_codec_id(int bps, int flags)
+enum AVCodecID ff_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 CODEC_ID_NONE;
+ /* lpcm flags:
+ * 0x1 = float
+ * 0x2 = big-endian
+ * 0x4 = signed
+ */
+ return ff_get_pcm_codec_id(bps, flags & 1, flags & 2, flags & 4 ? -1 : 0);
}
int ff_mov_read_stsd_entries(MOVContext *c, AVIOContext *pb, int entries)
st = c->fc->streams[c->fc->nb_streams-1];
sc = st->priv_data;
- for (pseudo_stream_id=0; pseudo_stream_id<entries; pseudo_stream_id++) {
+ for (pseudo_stream_id = 0;
+ pseudo_stream_id < entries && !pb->eof_reached;
+ pseudo_stream_id++) {
//Parsing Sample description table
- enum CodecID id;
+ enum AVCodecID id;
int dref_id = 1;
MOVAtom a = { AV_RL32("stsd") };
int64_t start_pos = avio_tell(pb);
- int size = avio_rb32(pb); /* size */
+ uint32_t size = avio_rb32(pb); /* size */
uint32_t format = avio_rl32(pb); /* data format */
if (size >= 16) {
avio_rb32(pb); /* reserved */
avio_rb16(pb); /* reserved */
dref_id = avio_rb16(pb);
+ } else {
+ av_log(c->fc, AV_LOG_ERROR, "invalid size %d in stsd\n", size);
+ return AVERROR_INVALIDDATA;
}
if (st->codec->codec_tag &&
/* codec_tag YV12 triggers an UV swap in rawdec.c */
if (!memcmp(st->codec->codec_name, "Planar Y'CbCr 8-bit 4:2:0", 25))
st->codec->codec_tag=MKTAG('I', '4', '2', '0');
+ /* Flash Media Server uses tag H263 with Sorenson Spark */
+ if (format == MKTAG('H','2','6','3') &&
+ !memcmp(st->codec->codec_name, "Sorenson H263", 13))
+ st->codec->codec_id = AV_CODEC_ID_FLV1;
st->codec->bits_per_coded_sample = avio_rb16(pb); /* depth */
color_table_id = avio_rb16(pb); /* colortable id */
}
switch (st->codec->codec_id) {
- case CODEC_ID_PCM_S8:
- case CODEC_ID_PCM_U8:
+ case AV_CODEC_ID_PCM_S8:
+ case AV_CODEC_ID_PCM_U8:
if (st->codec->bits_per_coded_sample == 16)
- st->codec->codec_id = CODEC_ID_PCM_S16BE;
+ st->codec->codec_id = AV_CODEC_ID_PCM_S16BE;
break;
- case CODEC_ID_PCM_S16LE:
- case CODEC_ID_PCM_S16BE:
+ case AV_CODEC_ID_PCM_S16LE:
+ case AV_CODEC_ID_PCM_S16BE:
if (st->codec->bits_per_coded_sample == 8)
- st->codec->codec_id = CODEC_ID_PCM_S8;
+ st->codec->codec_id = AV_CODEC_ID_PCM_S8;
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;
+ st->codec->codec_id == AV_CODEC_ID_PCM_S16BE ?
+ AV_CODEC_ID_PCM_S24BE : AV_CODEC_ID_PCM_S24LE;
break;
/* set values for old format before stsd version 1 appeared */
- case CODEC_ID_MACE3:
+ case AV_CODEC_ID_MACE3:
sc->samples_per_frame = 6;
sc->bytes_per_frame = 2*st->codec->channels;
break;
- case CODEC_ID_MACE6:
+ case AV_CODEC_ID_MACE6:
sc->samples_per_frame = 6;
sc->bytes_per_frame = 1*st->codec->channels;
break;
- case CODEC_ID_ADPCM_IMA_QT:
+ case AV_CODEC_ID_ADPCM_IMA_QT:
sc->samples_per_frame = 64;
sc->bytes_per_frame = 34*st->codec->channels;
break;
- case CODEC_ID_GSM:
+ case AV_CODEC_ID_GSM:
sc->samples_per_frame = 160;
sc->bytes_per_frame = 33;
break;
avio_skip(pb, a.size);
}
+ if (pb->eof_reached)
+ return AVERROR_EOF;
+
if (st->codec->codec_type==AVMEDIA_TYPE_AUDIO && st->codec->sample_rate==0 && sc->time_scale>1)
st->codec->sample_rate= sc->time_scale;
/* special codec parameters handling */
switch (st->codec->codec_id) {
#if CONFIG_DV_DEMUXER
- case CODEC_ID_DVAUDIO:
+ case AV_CODEC_ID_DVAUDIO:
c->dv_fctx = avformat_alloc_context();
c->dv_demux = avpriv_dv_init_demux(c->dv_fctx);
if (!c->dv_demux) {
return AVERROR(ENOMEM);
}
sc->dv_audio_container = 1;
- st->codec->codec_id = CODEC_ID_PCM_S16LE;
+ st->codec->codec_id = AV_CODEC_ID_PCM_S16LE;
break;
#endif
/* no ifdef since parameters are always those */
- case CODEC_ID_QCELP:
+ case AV_CODEC_ID_QCELP:
// force sample rate for qcelp when not stored in mov
if (st->codec->codec_tag != MKTAG('Q','c','l','p'))
st->codec->sample_rate = 8000;
- st->codec->frame_size= 160;
st->codec->channels= 1; /* really needed */
break;
- case CODEC_ID_AMR_NB:
+ case AV_CODEC_ID_AMR_NB:
st->codec->channels= 1; /* really needed */
/* force sample rate for amr, stsd in 3gp does not store sample rate */
st->codec->sample_rate = 8000;
- /* force frame_size, too, samples_per_frame isn't always set properly */
- st->codec->frame_size = 160;
break;
- case CODEC_ID_AMR_WB:
+ case AV_CODEC_ID_AMR_WB:
st->codec->channels = 1;
st->codec->sample_rate = 16000;
- st->codec->frame_size = 320;
break;
- case CODEC_ID_MP2:
- case CODEC_ID_MP3:
+ case AV_CODEC_ID_MP2:
+ case AV_CODEC_ID_MP3:
st->codec->codec_type = AVMEDIA_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->frame_size = sc->samples_per_frame;
+ case AV_CODEC_ID_GSM:
+ case AV_CODEC_ID_ADPCM_MS:
+ case AV_CODEC_ID_ADPCM_IMA_WAV:
+ case AV_CODEC_ID_ILBC:
st->codec->block_align = sc->bytes_per_frame;
break;
- case CODEC_ID_ALAC:
+ case AV_CODEC_ID_ALAC:
if (st->codec->extradata_size == 36) {
- st->codec->frame_size = AV_RB32(st->codec->extradata+12);
st->codec->channels = AV_RB8 (st->codec->extradata+21);
st->codec->sample_rate = AV_RB32(st->codec->extradata+32);
}
break;
+ case AV_CODEC_ID_VC1:
+ st->need_parsing = AVSTREAM_PARSE_FULL;
+ break;
default:
break;
}
sc->stsc_data = av_malloc(entries * sizeof(*sc->stsc_data));
if (!sc->stsc_data)
return AVERROR(ENOMEM);
- sc->stsc_count = entries;
- for (i=0; i<entries; i++) {
+ for (i = 0; i < entries && !pb->eof_reached; i++) {
sc->stsc_data[i].first = avio_rb32(pb);
sc->stsc_data[i].count = avio_rb32(pb);
sc->stsc_data[i].id = avio_rb32(pb);
}
+
+ sc->stsc_count = i;
+
+ if (pb->eof_reached)
+ return AVERROR_EOF;
+
return 0;
}
sc->stps_data = av_malloc(entries * sizeof(*sc->stps_data));
if (!sc->stps_data)
return AVERROR(ENOMEM);
- sc->stps_count = entries;
- for (i = 0; i < entries; i++) {
+ for (i = 0; i < entries && !pb->eof_reached; i++) {
sc->stps_data[i] = avio_rb32(pb);
//av_dlog(c->fc, "stps %d\n", sc->stps_data[i]);
}
+ sc->stps_count = i;
+
+ if (pb->eof_reached)
+ return AVERROR_EOF;
+
return 0;
}
av_dlog(c->fc, "keyframe_count = %d\n", entries);
if (!entries)
+ {
+ sc->keyframe_absent = 1;
return 0;
+ }
if (entries >= UINT_MAX / sizeof(int))
return AVERROR_INVALIDDATA;
sc->keyframes = av_malloc(entries * sizeof(int));
if (!sc->keyframes)
return AVERROR(ENOMEM);
- sc->keyframe_count = entries;
- for (i=0; i<entries; i++) {
+ for (i = 0; i < entries && !pb->eof_reached; i++) {
sc->keyframes[i] = avio_rb32(pb);
//av_dlog(c->fc, "keyframes[]=%d\n", sc->keyframes[i]);
}
+
+ sc->keyframe_count = i;
+
+ if (pb->eof_reached)
+ return AVERROR_EOF;
+
return 0;
}
init_get_bits(&gb, buf, 8*num_bytes);
- for (i = 0; i < entries; i++) {
+ for (i = 0; i < entries && !pb->eof_reached; i++) {
sc->sample_sizes[i] = get_bits_long(&gb, field_size);
sc->data_size += sc->sample_sizes[i];
}
+ sc->sample_count = i;
+
+ if (pb->eof_reached)
+ return AVERROR_EOF;
+
av_free(buf);
return 0;
}
if (!sc->stts_data)
return AVERROR(ENOMEM);
- sc->stts_count = entries;
-
- for (i=0; i<entries; i++) {
+ for (i = 0; i < entries && !pb->eof_reached; i++) {
int sample_duration;
int sample_count;
total_sample_count+=sample_count;
}
+ sc->stts_count = i;
+
+ if (pb->eof_reached)
+ return AVERROR_EOF;
+
st->nb_frames= total_sample_count;
if (duration)
st->duration= duration;
sc->ctts_data = av_malloc(entries * sizeof(*sc->ctts_data));
if (!sc->ctts_data)
return AVERROR(ENOMEM);
- sc->ctts_count = entries;
- for (i=0; i<entries; i++) {
+ for (i = 0; i < entries && !pb->eof_reached; i++) {
int count =avio_rb32(pb);
int duration =avio_rb32(pb);
sc->dts_shift = FFMAX(sc->dts_shift, -duration);
}
+ sc->ctts_count = i;
+
+ if (pb->eof_reached)
+ return AVERROR_EOF;
+
av_dlog(c->fc, "dts shift %d\n", sc->dts_shift);
return 0;
}
+static int mov_read_sbgp(MOVContext *c, AVIOContext *pb, MOVAtom atom)
+{
+ AVStream *st;
+ MOVStreamContext *sc;
+ unsigned int i, entries;
+ uint8_t version;
+ uint32_t grouping_type;
+
+ if (c->fc->nb_streams < 1)
+ return 0;
+ st = c->fc->streams[c->fc->nb_streams-1];
+ sc = st->priv_data;
+
+ version = avio_r8(pb); /* version */
+ avio_rb24(pb); /* flags */
+ grouping_type = avio_rl32(pb);
+ if (grouping_type != MKTAG( 'r','a','p',' '))
+ return 0; /* only support 'rap ' grouping */
+ if (version == 1)
+ avio_rb32(pb); /* grouping_type_parameter */
+
+ entries = avio_rb32(pb);
+ if (!entries)
+ return 0;
+ if (entries >= UINT_MAX / sizeof(*sc->rap_group))
+ return AVERROR_INVALIDDATA;
+ sc->rap_group = av_malloc(entries * sizeof(*sc->rap_group));
+ if (!sc->rap_group)
+ return AVERROR(ENOMEM);
+
+ for (i = 0; i < entries && !pb->eof_reached; i++) {
+ sc->rap_group[i].count = avio_rb32(pb); /* sample_count */
+ sc->rap_group[i].index = avio_rb32(pb); /* group_description_index */
+ }
+
+ sc->rap_group_count = i;
+
+ return pb->eof_reached ? AVERROR_EOF : 0;
+}
+
static void mov_build_index(MOVContext *mov, AVStream *st)
{
MOVStreamContext *sc = st->priv_data;
unsigned int stps_index = 0;
unsigned int i, j;
uint64_t stream_size = 0;
+ AVIndexEntry *mem;
/* adjust first dts according to edit list */
if (sc->time_offset && mov->time_scale > 0) {
unsigned int stts_sample = 0;
unsigned int sample_size;
unsigned int distance = 0;
- int key_off = sc->keyframes && sc->keyframes[0] == 1;
+ unsigned int rap_group_index = 0;
+ unsigned int rap_group_sample = 0;
+ int rap_group_present = sc->rap_group_count && sc->rap_group;
+ int key_off = (sc->keyframes && sc->keyframes[0] > 0) || (sc->stps_data && sc->stps_data[0] > 0);
current_dts -= sc->dts_shift;
if (!sc->sample_count)
return;
- if (sc->sample_count >= UINT_MAX / sizeof(*st->index_entries))
+ if (sc->sample_count >= UINT_MAX / sizeof(*st->index_entries) - st->nb_index_entries)
return;
- st->index_entries = av_malloc(sc->sample_count*sizeof(*st->index_entries));
- if (!st->index_entries)
+ mem = av_realloc(st->index_entries, (st->nb_index_entries + sc->sample_count) * sizeof(*st->index_entries));
+ if (!mem)
return;
- st->index_entries_allocated_size = sc->sample_count*sizeof(*st->index_entries);
+ st->index_entries = mem;
+ st->index_entries_allocated_size = (st->nb_index_entries + sc->sample_count) * sizeof(*st->index_entries);
for (i = 0; i < sc->chunk_count; i++) {
current_offset = sc->chunk_offsets[i];
return;
}
- if (!sc->keyframe_count || current_sample+key_off == sc->keyframes[stss_index]) {
+ if (!sc->keyframe_absent && (!sc->keyframe_count || current_sample+key_off == sc->keyframes[stss_index])) {
keyframe = 1;
if (stss_index + 1 < sc->keyframe_count)
stss_index++;
if (stps_index + 1 < sc->stps_count)
stps_index++;
}
+ if (rap_group_present && rap_group_index < sc->rap_group_count) {
+ if (sc->rap_group[rap_group_index].index > 0)
+ keyframe = 1;
+ if (++rap_group_sample == sc->rap_group[rap_group_index].count) {
+ rap_group_sample = 0;
+ rap_group_index++;
+ }
+ }
if (keyframe)
distance = 0;
sample_size = sc->sample_size > 0 ? sc->sample_size : sc->sample_sizes[current_sample];
unsigned count, chunk_count;
chunk_samples = sc->stsc_data[i].count;
- if (sc->samples_per_frame && chunk_samples % sc->samples_per_frame) {
+ if (i != sc->stsc_count - 1 &&
+ sc->samples_per_frame && chunk_samples % sc->samples_per_frame) {
av_log(mov->fc, AV_LOG_ERROR, "error unaligned chunk\n");
return;
}
}
av_dlog(mov->fc, "chunk count %d\n", total);
- if (total >= UINT_MAX / sizeof(*st->index_entries))
+ if (total >= UINT_MAX / sizeof(*st->index_entries) - st->nb_index_entries)
return;
- st->index_entries = av_malloc(total*sizeof(*st->index_entries));
- if (!st->index_entries)
+ mem = av_realloc(st->index_entries, (st->nb_index_entries + total) * sizeof(*st->index_entries));
+ if (!mem)
return;
- st->index_entries_allocated_size = total*sizeof(*st->index_entries);
+ st->index_entries = mem;
+ st->index_entries_allocated_size = (st->nb_index_entries + total) * sizeof(*st->index_entries);
// populate index
for (i = 0; i < sc->chunk_count; i++) {
avpriv_set_pts_info(st, 64, 1, sc->time_scale);
- if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
- !st->codec->frame_size && sc->stts_count == 1) {
- st->codec->frame_size = av_rescale(sc->stts_data[0].duration,
- st->codec->sample_rate, sc->time_scale);
- av_dlog(c->fc, "frame size %d\n", st->codec->frame_size);
- }
-
mov_build_index(c, st);
if (sc->dref_id-1 < sc->drefs_count && sc->drefs[sc->dref_id-1].path) {
((double)st->codec->width * sc->height), INT_MAX);
}
- av_reduce(&st->avg_frame_rate.num, &st->avg_frame_rate.den,
- sc->time_scale*st->nb_frames, st->duration, INT_MAX);
-
- if (sc->stts_count == 1 || (sc->stts_count == 2 && sc->stts_data[1].count == 1))
- av_reduce(&st->r_frame_rate.num, &st->r_frame_rate.den,
- sc->time_scale, sc->stts_data[0].duration, INT_MAX);
+ if (st->duration != AV_NOPTS_VALUE)
+ av_reduce(&st->avg_frame_rate.num, &st->avg_frame_rate.den,
+ sc->time_scale*st->nb_frames, st->duration, INT_MAX);
}
switch (st->codec->codec_id) {
#if CONFIG_H261_DECODER
- case CODEC_ID_H261:
+ case AV_CODEC_ID_H261:
#endif
#if CONFIG_H263_DECODER
- case CODEC_ID_H263:
-#endif
-#if CONFIG_H264_DECODER
- case CODEC_ID_H264:
+ case AV_CODEC_ID_H263:
#endif
#if CONFIG_MPEG4_DECODER
- case CODEC_ID_MPEG4:
+ case AV_CODEC_ID_MPEG4:
#endif
st->codec->width = 0; /* let decoder init width/height */
st->codec->height= 0;
av_freep(&sc->keyframes);
av_freep(&sc->stts_data);
av_freep(&sc->stps_data);
+ av_freep(&sc->rap_group);
return 0;
}
offset = frag->base_data_offset + data_offset;
distance = 0;
av_dlog(c->fc, "first sample flags 0x%x\n", first_sample_flags);
- for (i = 0; i < entries; i++) {
+ for (i = 0; i < entries && !pb->eof_reached; i++) {
unsigned sample_size = frag->size;
int sample_flags = i ? frag->flags : first_sample_flags;
unsigned sample_duration = frag->duration;
offset += sample_size;
sc->data_size += sample_size;
}
+
+ if (pb->eof_reached)
+ return AVERROR_EOF;
+
frag->moof_offset = offset;
st->duration = sc->track_end = dts + sc->time_offset;
return 0;
{ 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 },
{ MKTAG('c','h','a','n'), mov_read_chan }, /* channel layout */
{ MKTAG('d','v','c','1'), mov_read_dvc1 },
+{ MKTAG('s','b','g','p'), mov_read_sbgp },
{ 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));
pkt->stream_index = sc->ffindex;
pkt->dts = sample->timestamp;
- if (sc->ctts_data) {
+ if (sc->ctts_data && sc->ctts_index < sc->ctts_count) {
pkt->pts = pkt->dts + sc->dts_shift + sc->ctts_data[sc->ctts_index].duration;
/* update ctts context */
sc->ctts_sample++;
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"),
+ .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
.priv_data_size = sizeof(MOVContext),
.read_probe = mov_probe,
.read_header = mov_read_header,
projects / ffmpeg / blobdiff