#include "libavutil/intfloat.h"
#include "libavutil/mathematics.h"
#include "libavutil/time_internal.h"
+#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/dict.h"
#include "libavutil/display.h"
#include "libavutil/aes.h"
#include "libavutil/aes_ctr.h"
#include "libavutil/sha.h"
+#include "libavutil/spherical.h"
+#include "libavutil/stereo3d.h"
#include "libavutil/timecode.h"
#include "libavcodec/ac3tab.h"
+#include "libavcodec/flac.h"
#include "libavcodec/mpegaudiodecheader.h"
#include "avformat.h"
#include "internal.h"
return av_dict_set(&c->fc->metadata, key, buf, 0);
}
+static int mov_metadata_hmmt(MOVContext *c, AVIOContext *pb, unsigned len)
+{
+ int i, n_hmmt;
+
+ if (len < 2)
+ return 0;
+ if (c->ignore_chapters)
+ return 0;
+
+ n_hmmt = avio_rb32(pb);
+ for (i = 0; i < n_hmmt && !pb->eof_reached; i++) {
+ int moment_time = avio_rb32(pb);
+ avpriv_new_chapter(c->fc, i, av_make_q(1, 1000), moment_time, AV_NOPTS_VALUE, NULL);
+ }
+ return 0;
+}
+
static int mov_read_udta_string(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
char tmp_key[5];
parse = mov_metadata_track_or_disc_number; break;
case MKTAG( 'e','g','i','d'): key = "episode_uid";
parse = mov_metadata_int8_no_padding; break;
+ case MKTAG( 'F','I','R','M'): key = "firmware"; raw = 1; break;
case MKTAG( 'g','n','r','e'): key = "genre";
parse = mov_metadata_gnre; break;
case MKTAG( 'h','d','v','d'): key = "hd_video";
parse = mov_metadata_int8_no_padding; break;
+ case MKTAG( 'H','M','M','T'):
+ return mov_metadata_hmmt(c, pb, atom.size);
case MKTAG( 'k','e','y','w'): key = "keywords"; break;
case MKTAG( 'l','d','e','s'): key = "synopsis"; break;
case MKTAG( 'l','o','c','i'):
avio_skip(pb, len);
}
} else {
- av_log(c->fc, AV_LOG_DEBUG, "Unknown dref type 0x08%x size %d\n",
+ av_log(c->fc, AV_LOG_DEBUG, "Unknown dref type 0x%08x size %d\n",
dref->type, size);
entries--;
i--;
st = c->fc->streams[c->fc->nb_streams-1];
st->codecpar->sample_rate = get_bits_long(&gb, 32);
+ if (st->codecpar->sample_rate <= 0) {
+ av_log(c->fc, AV_LOG_ERROR, "Invalid sample rate %d\n", st->codecpar->sample_rate);
+ return AVERROR_INVALIDDATA;
+ }
skip_bits_long(&gb, 32); /* max bitrate */
st->codecpar->bit_rate = get_bits_long(&gb, 32);
st->codecpar->bits_per_coded_sample = get_bits(&gb, 8);
av_log(c->fc, AV_LOG_INFO, "[aax] file checksum == "); // required by external tools
for (i = 0; i < 20; i++)
- av_log(sha, AV_LOG_INFO, "%02x", file_checksum[i]);
+ av_log(c->fc, AV_LOG_INFO, "%02x", file_checksum[i]);
av_log(c->fc, AV_LOG_INFO, "\n");
/* verify activation data */
static void mov_metadata_creation_time(AVDictionary **metadata, int64_t time)
{
- char buffer[32];
if (time) {
- struct tm *ptm, tmbuf;
- time_t timet;
if(time >= 2082844800)
time -= 2082844800; /* seconds between 1904-01-01 and Epoch */
- timet = time;
- ptm = gmtime_r(&timet, &tmbuf);
- if (!ptm) return;
- if (strftime(buffer, sizeof(buffer), "%Y-%m-%d %H:%M:%S", ptm))
- av_dict_set(metadata, "creation_time", buffer, 0);
+ avpriv_dict_set_timestamp(metadata, "creation_time", time * 1000000);
}
}
mov_metadata_creation_time(&st->metadata, creation_time);
sc->time_scale = avio_rb32(pb);
+ if (sc->time_scale <= 0) {
+ av_log(c->fc, AV_LOG_ERROR, "Invalid mdhd time scale %d\n", sc->time_scale);
+ return AVERROR_INVALIDDATA;
+ }
st->duration = (version == 1) ? avio_rb64(pb) : avio_rb32(pb); /* duration */
lang = avio_rb16(pb); /* language */
static int mov_read_mvhd(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
+ int i;
int64_t creation_time;
int version = avio_r8(pb); /* version */
avio_rb24(pb); /* flags */
}
mov_metadata_creation_time(&c->fc->metadata, creation_time);
c->time_scale = avio_rb32(pb); /* time scale */
-
+ if (c->time_scale <= 0) {
+ av_log(c->fc, AV_LOG_ERROR, "Invalid mvhd time scale %d\n", c->time_scale);
+ return AVERROR_INVALIDDATA;
+ }
av_log(c->fc, AV_LOG_TRACE, "time scale = %i\n", c->time_scale);
c->duration = (version == 1) ? avio_rb64(pb) : avio_rb32(pb); /* duration */
avio_skip(pb, 10); /* reserved */
- avio_skip(pb, 36); /* display matrix */
+ /* movie display matrix, store it in main context and use it later on */
+ for (i = 0; i < 3; i++) {
+ c->movie_display_matrix[i][0] = avio_rb32(pb); // 16.16 fixed point
+ c->movie_display_matrix[i][1] = avio_rb32(pb); // 16.16 fixed point
+ c->movie_display_matrix[i][2] = avio_rb32(pb); // 2.30 fixed point
+ }
avio_rb32(pb); /* preview time */
avio_rb32(pb); /* preview duration */
if (cid == 0xd4d || cid == 0xd4e)
par->width = 1440;
return 0;
- } else if (par->codec_tag == MKTAG('A', 'V', 'd', '1') &&
+ } else if ((par->codec_tag == MKTAG('A', 'V', 'd', '1') ||
+ par->codec_tag == MKTAG('A', 'V', 'd', 'n')) &&
atom.size >= 24) {
int num, den;
avio_skip(pb, 12);
static void mov_parse_stsd_video(MOVContext *c, AVIOContext *pb,
AVStream *st, MOVStreamContext *sc)
{
- uint8_t codec_name[32];
+ uint8_t codec_name[32] = { 0 };
int64_t stsd_start;
unsigned int len;
case AV_CODEC_ID_EAC3:
case AV_CODEC_ID_MPEG1VIDEO:
case AV_CODEC_ID_VC1:
+ case AV_CODEC_ID_VP9:
st->need_parsing = AVSTREAM_PARSE_FULL;
break;
default:
if (codec_tag &&
(codec_tag != format &&
+ // AVID 1:1 samples with differing data format and codec tag exist
+ (codec_tag != AV_RL32("AV1x") || format != AV_RL32("AVup")) &&
// prores is allowed to have differing data format and codec tag
codec_tag != AV_RL32("apcn") && codec_tag != AV_RL32("apch") &&
+ // so is dv (sigh)
+ codec_tag != AV_RL32("dvpp") && codec_tag != AV_RL32("dvcp") &&
(c->fc->video_codec_id ? video_codec_id != c->fc->video_codec_id
: codec_tag != MKTAG('j','p','e','g')))) {
/* Multiple fourcc, we skip JPEG. This is not correct, we should
avio_skip(pb, size);
return 1;
}
- if ( codec_tag == AV_RL32("hvc1") ||
- codec_tag == AV_RL32("hev1")
- )
- av_log(c->fc, AV_LOG_WARNING, "Concatenated H.264 or H.265 might not play correctly.\n");
return 0;
}
} else if (st->codecpar->codec_type==AVMEDIA_TYPE_AUDIO) {
st->codecpar->codec_id = id;
mov_parse_stsd_audio(c, pb, st, sc);
+ if (st->codecpar->sample_rate < 0) {
+ av_log(c->fc, AV_LOG_ERROR, "Invalid sample rate %d\n", st->codecpar->sample_rate);
+ return AVERROR_INVALIDDATA;
+ }
} else if (st->codecpar->codec_type==AVMEDIA_TYPE_SUBTITLE){
st->codecpar->codec_id = id;
mov_parse_stsd_subtitle(c, pb, st, sc,
if (pb->eof_reached)
return AVERROR_EOF;
- return mov_finalize_stsd_codec(c, pb, st, sc);
+ return 0;
}
static int mov_read_stsd(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
AVStream *st;
MOVStreamContext *sc;
- int ret;
- int entries;
+ int ret, entries;
if (c->fc->nb_streams < 1)
return 0;
avio_r8(pb); /* version */
avio_rb24(pb); /* flags */
- entries = avio_rb32(pb); /* entries */
+ entries = avio_rb32(pb);
if (entries <= 0) {
av_log(c->fc, AV_LOG_ERROR, "invalid STSD entries %d\n", entries);
memcpy(st->codecpar->extradata, sc->extradata[0], sc->extradata_size[0]);
}
- return 0;
+ return mov_finalize_stsd_codec(c, pb, st, sc);
fail:
av_freep(&sc->extradata);
av_freep(&sc->extradata_size);
return pb->eof_reached ? AVERROR_EOF : 0;
}
+/**
+ * Get ith edit list entry (media time, duration).
+ */
+static int get_edit_list_entry(MOVContext *mov,
+ const MOVStreamContext *msc,
+ unsigned int edit_list_index,
+ int64_t *edit_list_media_time,
+ int64_t *edit_list_duration,
+ int64_t global_timescale)
+{
+ if (edit_list_index == msc->elst_count) {
+ return 0;
+ }
+ *edit_list_media_time = msc->elst_data[edit_list_index].time;
+ *edit_list_duration = msc->elst_data[edit_list_index].duration;
+
+ /* duration is in global timescale units;convert to msc timescale */
+ if (global_timescale == 0) {
+ avpriv_request_sample(mov->fc, "Support for mvhd.timescale = 0 with editlists");
+ return 0;
+ }
+ *edit_list_duration = av_rescale(*edit_list_duration, msc->time_scale,
+ global_timescale);
+ return 1;
+}
+
+/**
+ * Find the closest previous frame to the timestamp, in e_old index
+ * entries. Searching for just any frame / just key frames can be controlled by
+ * last argument 'flag'.
+ * Returns the index of the entry in st->index_entries if successful,
+ * else returns -1.
+ */
+static int64_t find_prev_closest_index(AVStream *st,
+ AVIndexEntry *e_old,
+ int nb_old,
+ int64_t timestamp,
+ int flag)
+{
+ AVIndexEntry *e_keep = st->index_entries;
+ int nb_keep = st->nb_index_entries;
+ int64_t found = -1;
+
+ st->index_entries = e_old;
+ st->nb_index_entries = nb_old;
+ found = av_index_search_timestamp(st, timestamp, flag | AVSEEK_FLAG_BACKWARD);
+
+ /* restore AVStream state*/
+ st->index_entries = e_keep;
+ st->nb_index_entries = nb_keep;
+ return found;
+}
+
+/**
+ * Add index entry with the given values, to the end of st->index_entries.
+ * Returns the new size st->index_entries if successful, else returns -1.
+ *
+ * This function is similar to ff_add_index_entry in libavformat/utils.c
+ * except that here we are always unconditionally adding an index entry to
+ * the end, instead of searching the entries list and skipping the add if
+ * there is an existing entry with the same timestamp.
+ * This is needed because the mov_fix_index calls this func with the same
+ * unincremented timestamp for successive discarded frames.
+ */
+static int64_t add_index_entry(AVStream *st, int64_t pos, int64_t timestamp,
+ int size, int distance, int flags)
+{
+ AVIndexEntry *entries, *ie;
+ int64_t index = -1;
+ const size_t min_size_needed = (st->nb_index_entries + 1) * sizeof(AVIndexEntry);
+
+ // Double the allocation each time, to lower memory fragmentation.
+ // Another difference from ff_add_index_entry function.
+ const size_t requested_size =
+ min_size_needed > st->index_entries_allocated_size ?
+ FFMAX(min_size_needed, 2 * st->index_entries_allocated_size) :
+ min_size_needed;
+
+ if((unsigned)st->nb_index_entries + 1 >= UINT_MAX / sizeof(AVIndexEntry))
+ return -1;
+
+ entries = av_fast_realloc(st->index_entries,
+ &st->index_entries_allocated_size,
+ requested_size);
+ if(!entries)
+ return -1;
+
+ st->index_entries= entries;
+
+ index= st->nb_index_entries++;
+ ie= &entries[index];
+
+ ie->pos = pos;
+ ie->timestamp = timestamp;
+ ie->min_distance= distance;
+ ie->size= size;
+ ie->flags = flags;
+ return index;
+}
+
+/**
+ * Rewrite timestamps of index entries in the range [end_index - frame_duration_buffer_size, end_index)
+ * by subtracting end_ts successively by the amounts given in frame_duration_buffer.
+ */
+static void fix_index_entry_timestamps(AVStream* st, int end_index, int64_t end_ts,
+ int64_t* frame_duration_buffer,
+ int frame_duration_buffer_size) {
+ int i = 0;
+ av_assert0(end_index >= 0 && end_index <= st->nb_index_entries);
+ for (i = 0; i < frame_duration_buffer_size; i++) {
+ end_ts -= frame_duration_buffer[frame_duration_buffer_size - 1 - i];
+ st->index_entries[end_index - 1 - i].timestamp = end_ts;
+ }
+}
+
+/**
+ * Append a new ctts entry to ctts_data.
+ * Returns the new ctts_count if successful, else returns -1.
+ */
+static int64_t add_ctts_entry(MOVStts** ctts_data, unsigned int* ctts_count, unsigned int* allocated_size,
+ int count, int duration)
+{
+ MOVStts *ctts_buf_new;
+ const size_t min_size_needed = (*ctts_count + 1) * sizeof(MOVStts);
+ const size_t requested_size =
+ min_size_needed > *allocated_size ?
+ FFMAX(min_size_needed, 2 * (*allocated_size)) :
+ min_size_needed;
+
+ if((unsigned)(*ctts_count) + 1 >= UINT_MAX / sizeof(MOVStts))
+ return -1;
+
+ ctts_buf_new = av_fast_realloc(*ctts_data, allocated_size, requested_size);
+
+ if(!ctts_buf_new)
+ return -1;
+
+ *ctts_data = ctts_buf_new;
+
+ ctts_buf_new[*ctts_count].count = count;
+ ctts_buf_new[*ctts_count].duration = duration;
+
+ *ctts_count = (*ctts_count) + 1;
+ return *ctts_count;
+}
+
+/**
+ * Fix st->index_entries, so that it contains only the entries (and the entries
+ * which are needed to decode them) that fall in the edit list time ranges.
+ * Also fixes the timestamps of the index entries to match the timeline
+ * specified the edit lists.
+ */
+static void mov_fix_index(MOVContext *mov, AVStream *st)
+{
+ MOVStreamContext *msc = st->priv_data;
+ AVIndexEntry *e_old = st->index_entries;
+ int nb_old = st->nb_index_entries;
+ const AVIndexEntry *e_old_end = e_old + nb_old;
+ const AVIndexEntry *current = NULL;
+ MOVStts *ctts_data_old = msc->ctts_data;
+ int64_t ctts_index_old = 0;
+ int64_t ctts_sample_old = 0;
+ int64_t ctts_count_old = msc->ctts_count;
+ int64_t edit_list_media_time = 0;
+ int64_t edit_list_duration = 0;
+ int64_t frame_duration = 0;
+ int64_t edit_list_dts_counter = 0;
+ int64_t edit_list_dts_entry_end = 0;
+ int64_t edit_list_start_ctts_sample = 0;
+ int64_t curr_cts;
+ int64_t edit_list_index = 0;
+ int64_t index;
+ int64_t index_ctts_count;
+ int flags;
+ unsigned int ctts_allocated_size = 0;
+ int64_t start_dts = 0;
+ int64_t edit_list_media_time_dts = 0;
+ int64_t edit_list_start_encountered = 0;
+ int64_t search_timestamp = 0;
+ int64_t* frame_duration_buffer = NULL;
+ int num_discarded_begin = 0;
+ int first_non_zero_audio_edit = -1;
+ int packet_skip_samples = 0;
+
+ if (!msc->elst_data || msc->elst_count <= 0 || nb_old <= 0) {
+ return;
+ }
+ // Clean AVStream from traces of old index
+ st->index_entries = NULL;
+ st->index_entries_allocated_size = 0;
+ st->nb_index_entries = 0;
+
+ // Clean ctts fields of MOVStreamContext
+ msc->ctts_data = NULL;
+ msc->ctts_count = 0;
+ msc->ctts_index = 0;
+ msc->ctts_sample = 0;
+
+ // If the dts_shift is positive (in case of negative ctts values in mov),
+ // then negate the DTS by dts_shift
+ if (msc->dts_shift > 0)
+ edit_list_dts_entry_end -= msc->dts_shift;
+
+ // Offset the DTS by ctts[0] to make the PTS of the first frame 0
+ if (ctts_data_old && ctts_count_old > 0) {
+ edit_list_dts_entry_end -= ctts_data_old[0].duration;
+ av_log(mov->fc, AV_LOG_DEBUG, "Offset DTS by ctts[%d].duration: %d\n", 0, ctts_data_old[0].duration);
+ }
+
+ start_dts = edit_list_dts_entry_end;
+
+ while (get_edit_list_entry(mov, msc, edit_list_index, &edit_list_media_time,
+ &edit_list_duration, mov->time_scale)) {
+ av_log(mov->fc, AV_LOG_DEBUG, "Processing st: %d, edit list %"PRId64" - media time: %"PRId64", duration: %"PRId64"\n",
+ st->index, edit_list_index, edit_list_media_time, edit_list_duration);
+ edit_list_index++;
+ edit_list_dts_counter = edit_list_dts_entry_end;
+ edit_list_dts_entry_end += edit_list_duration;
+ num_discarded_begin = 0;
+ if (edit_list_media_time == -1) {
+ continue;
+ }
+
+ // If we encounter a non-negative edit list reset the skip_samples/start_pad fields and set them
+ // according to the edit list below.
+ if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
+ if (first_non_zero_audio_edit < 0) {
+ first_non_zero_audio_edit = 1;
+ } else {
+ first_non_zero_audio_edit = 0;
+ }
+
+ if (first_non_zero_audio_edit > 0)
+ st->skip_samples = msc->start_pad = 0;
+ }
+
+ //find closest previous key frame
+ edit_list_media_time_dts = edit_list_media_time;
+ if (msc->dts_shift > 0) {
+ edit_list_media_time_dts -= msc->dts_shift;
+ }
+
+ // While reordering frame index according to edit list we must handle properly
+ // the scenario when edit list entry starts from none key frame.
+ // We find closest previous key frame and preserve it and consequent frames in index.
+ // All frames which are outside edit list entry time boundaries will be dropped after decoding.
+ search_timestamp = edit_list_media_time_dts;
+ if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
+ // Audio decoders like AAC need need a decoder delay samples previous to the current sample,
+ // to correctly decode this frame. Hence for audio we seek to a frame 1 sec. before the
+ // edit_list_media_time to cover the decoder delay.
+ search_timestamp = FFMAX(search_timestamp - msc->time_scale, e_old[0].timestamp);
+ }
+
+ index = find_prev_closest_index(st, e_old, nb_old, search_timestamp, 0);
+ if (index == -1) {
+ av_log(mov->fc, AV_LOG_WARNING,
+ "st: %d edit list: %"PRId64" Missing key frame while searching for timestamp: %"PRId64"\n",
+ st->index, edit_list_index, search_timestamp);
+ index = find_prev_closest_index(st, e_old, nb_old, search_timestamp, AVSEEK_FLAG_ANY);
+
+ if (index == -1) {
+ av_log(mov->fc, AV_LOG_WARNING,
+ "st: %d edit list %"PRId64" Cannot find an index entry before timestamp: %"PRId64".\n"
+ "Rounding edit list media time to zero.\n",
+ st->index, edit_list_index, search_timestamp);
+ index = 0;
+ edit_list_media_time = 0;
+ }
+ }
+ current = e_old + index;
+
+ ctts_index_old = 0;
+ ctts_sample_old = 0;
+
+ // set ctts_index properly for the found key frame
+ for (index_ctts_count = 0; index_ctts_count < index; index_ctts_count++) {
+ if (ctts_data_old && ctts_index_old < ctts_count_old) {
+ ctts_sample_old++;
+ if (ctts_data_old[ctts_index_old].count == ctts_sample_old) {
+ ctts_index_old++;
+ ctts_sample_old = 0;
+ }
+ }
+ }
+
+ edit_list_start_ctts_sample = ctts_sample_old;
+
+ // Iterate over index and arrange it according to edit list
+ edit_list_start_encountered = 0;
+ for (; current < e_old_end; current++, index++) {
+ // check if frame outside edit list mark it for discard
+ frame_duration = (current + 1 < e_old_end) ?
+ ((current + 1)->timestamp - current->timestamp) : edit_list_duration;
+
+ flags = current->flags;
+
+ // frames (pts) before or after edit list
+ curr_cts = current->timestamp + msc->dts_shift;
+
+ if (ctts_data_old && ctts_index_old < ctts_count_old) {
+ av_log(mov->fc, AV_LOG_DEBUG, "shifted frame pts, curr_cts: %"PRId64" @ %"PRId64", ctts: %d, ctts_count: %"PRId64"\n",
+ curr_cts, ctts_index_old, ctts_data_old[ctts_index_old].duration, ctts_count_old);
+ curr_cts += ctts_data_old[ctts_index_old].duration;
+ ctts_sample_old++;
+ if (ctts_sample_old == ctts_data_old[ctts_index_old].count) {
+ if (add_ctts_entry(&msc->ctts_data, &msc->ctts_count,
+ &ctts_allocated_size,
+ ctts_data_old[ctts_index_old].count - edit_list_start_ctts_sample,
+ ctts_data_old[ctts_index_old].duration) == -1) {
+ av_log(mov->fc, AV_LOG_ERROR, "Cannot add CTTS entry %"PRId64" - {%"PRId64", %d}\n",
+ ctts_index_old,
+ ctts_data_old[ctts_index_old].count - edit_list_start_ctts_sample,
+ ctts_data_old[ctts_index_old].duration);
+ break;
+ }
+ ctts_index_old++;
+ ctts_sample_old = 0;
+ edit_list_start_ctts_sample = 0;
+ }
+ }
+
+ if (curr_cts < edit_list_media_time || curr_cts >= (edit_list_duration + edit_list_media_time)) {
+ if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO && st->codecpar->codec_id != AV_CODEC_ID_VORBIS &&
+ curr_cts < edit_list_media_time && curr_cts + frame_duration > edit_list_media_time &&
+ first_non_zero_audio_edit > 0) {
+ packet_skip_samples = edit_list_media_time - curr_cts;
+ st->skip_samples += packet_skip_samples;
+
+ // Shift the index entry timestamp by packet_skip_samples to be correct.
+ edit_list_dts_counter -= packet_skip_samples;
+ if (edit_list_start_encountered == 0) {
+ edit_list_start_encountered = 1;
+ // Make timestamps strictly monotonically increasing for audio, by rewriting timestamps for
+ // discarded packets.
+ if (frame_duration_buffer) {
+ fix_index_entry_timestamps(st, st->nb_index_entries, edit_list_dts_counter,
+ frame_duration_buffer, num_discarded_begin);
+ av_freep(&frame_duration_buffer);
+ }
+ }
+
+ av_log(mov->fc, AV_LOG_DEBUG, "skip %d audio samples from curr_cts: %"PRId64"\n", packet_skip_samples, curr_cts);
+ } else {
+ flags |= AVINDEX_DISCARD_FRAME;
+ av_log(mov->fc, AV_LOG_DEBUG, "drop a frame at curr_cts: %"PRId64" @ %"PRId64"\n", curr_cts, index);
+
+ if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO && edit_list_start_encountered == 0) {
+ num_discarded_begin++;
+ frame_duration_buffer = av_realloc(frame_duration_buffer,
+ num_discarded_begin * sizeof(int64_t));
+ if (!frame_duration_buffer) {
+ av_log(mov->fc, AV_LOG_ERROR, "Cannot reallocate frame duration buffer\n");
+ break;
+ }
+ frame_duration_buffer[num_discarded_begin - 1] = frame_duration;
+
+ // Increment skip_samples for the first non-zero audio edit list
+ if (first_non_zero_audio_edit > 0 && st->codecpar->codec_id != AV_CODEC_ID_VORBIS) {
+ st->skip_samples += frame_duration;
+ msc->start_pad = st->skip_samples;
+ }
+ }
+ }
+ } else if (edit_list_start_encountered == 0) {
+ edit_list_start_encountered = 1;
+ // Make timestamps strictly monotonically increasing for audio, by rewriting timestamps for
+ // discarded packets.
+ if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO && frame_duration_buffer) {
+ fix_index_entry_timestamps(st, st->nb_index_entries, edit_list_dts_counter,
+ frame_duration_buffer, num_discarded_begin);
+ av_freep(&frame_duration_buffer);
+ }
+ }
+
+ if (add_index_entry(st, current->pos, edit_list_dts_counter, current->size,
+ current->min_distance, flags) == -1) {
+ av_log(mov->fc, AV_LOG_ERROR, "Cannot add index entry\n");
+ break;
+ }
+
+ // Only start incrementing DTS in frame_duration amounts, when we encounter a frame in edit list.
+ if (edit_list_start_encountered > 0) {
+ edit_list_dts_counter = edit_list_dts_counter + frame_duration;
+ }
+
+ // Break when found first key frame after edit entry completion
+ if (((curr_cts + frame_duration) >= (edit_list_duration + edit_list_media_time)) &&
+ ((flags & AVINDEX_KEYFRAME) || ((st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)))) {
+
+ if (ctts_data_old && ctts_sample_old != 0) {
+ if (add_ctts_entry(&msc->ctts_data, &msc->ctts_count,
+ &ctts_allocated_size,
+ ctts_sample_old - edit_list_start_ctts_sample,
+ ctts_data_old[ctts_index_old].duration) == -1) {
+ av_log(mov->fc, AV_LOG_ERROR, "Cannot add CTTS entry %"PRId64" - {%"PRId64", %d}\n",
+ ctts_index_old, ctts_sample_old - edit_list_start_ctts_sample,
+ ctts_data_old[ctts_index_old].duration);
+ break;
+ }
+ }
+ break;
+ }
+ }
+ }
+ // Update av stream length
+ st->duration = edit_list_dts_entry_end - start_dts;
+
+ // Free the old index and the old CTTS structures
+ av_free(e_old);
+ av_free(ctts_data_old);
+}
+
static void mov_build_index(MOVContext *mov, AVStream *st)
{
MOVStreamContext *sc = st->priv_data;
uint64_t stream_size = 0;
if (sc->elst_count) {
- int i, edit_start_index = 0, unsupported = 0;
+ int i, edit_start_index = 0;
int64_t empty_duration = 0; // empty duration of the first edit list entry
int64_t start_time = 0; // start time of the media
edit_start_index = 1;
} else if (i == edit_start_index && e->time >= 0) {
start_time = e->time;
- } else
- unsupported = 1;
+ }
}
- if (unsupported)
- av_log(mov->fc, AV_LOG_WARNING, "multiple edit list entries, "
- "a/v desync might occur, patch welcome\n");
/* adjust first dts according to edit list */
if ((empty_duration || start_time) && mov->time_scale > 0) {
if (empty_duration)
empty_duration = av_rescale(empty_duration, sc->time_scale, mov->time_scale);
sc->time_offset = start_time - empty_duration;
- current_dts = -sc->time_offset;
- if (sc->ctts_count>0 && sc->stts_count>0 &&
- sc->ctts_data[0].duration / FFMAX(sc->stts_data[0].duration, 1) > 16)
- st->codecpar->video_delay = 1;
}
-
- if (!unsupported && st->codecpar->codec_id == AV_CODEC_ID_AAC && start_time > 0)
- sc->start_pad = start_time;
}
/* only use old uncompressed audio chunk demuxing when stts specifies it */
}
}
}
+
+ // Fix index according to edit lists.
+ mov_fix_index(mov, st);
}
static int test_same_origin(const char *src, const char *ref) {
avio_skip(pb, 4);
count = avio_rb32(pb);
- if (count > UINT_MAX / sizeof(*c->meta_keys)) {
+ if (count > UINT_MAX / sizeof(*c->meta_keys) - 1) {
av_log(c->fc, AV_LOG_ERROR,
"The 'keys' atom with the invalid key count: %d\n", count);
return AVERROR_INVALIDDATA;
return 0;
}
+// return 1 when matrix is identity, 0 otherwise
+#define IS_MATRIX_IDENT(matrix) \
+ ( (matrix)[0][0] == (1 << 16) && \
+ (matrix)[1][1] == (1 << 16) && \
+ (matrix)[2][2] == (1 << 30) && \
+ !(matrix)[0][1] && !(matrix)[0][2] && \
+ !(matrix)[1][0] && !(matrix)[1][2] && \
+ !(matrix)[2][0] && !(matrix)[2][1])
+
static int mov_read_tkhd(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
- int i;
+ int i, j, e;
int width;
int height;
int display_matrix[3][3];
+ int res_display_matrix[3][3] = { { 0 } };
AVStream *st;
MOVStreamContext *sc;
int version;
sc->width = width >> 16;
sc->height = height >> 16;
- // save the matrix and add rotate metadata when it is not the default
- // identity
- if (display_matrix[0][0] != (1 << 16) ||
- display_matrix[1][1] != (1 << 16) ||
- display_matrix[2][2] != (1 << 30) ||
- display_matrix[0][1] || display_matrix[0][2] ||
- display_matrix[1][0] || display_matrix[1][2] ||
- display_matrix[2][0] || display_matrix[2][1]) {
- int i, j;
+ // apply the moov display matrix (after the tkhd one)
+ for (i = 0; i < 3; i++) {
+ const int sh[3] = { 16, 16, 30 };
+ for (j = 0; j < 3; j++) {
+ for (e = 0; e < 3; e++) {
+ res_display_matrix[i][j] +=
+ ((int64_t) display_matrix[i][e] *
+ c->movie_display_matrix[e][j]) >> sh[e];
+ }
+ }
+ }
+
+ // save the matrix when it is not the default identity
+ if (!IS_MATRIX_IDENT(res_display_matrix)) {
double rotate;
av_freep(&sc->display_matrix);
for (i = 0; i < 3; i++)
for (j = 0; j < 3; j++)
- sc->display_matrix[i * 3 + j] = display_matrix[i][j];
+ sc->display_matrix[i * 3 + j] = res_display_matrix[i][j];
rotate = av_display_rotation_get(sc->display_matrix);
if (!isnan(rotate)) {
double disp_transform[2];
for (i = 0; i < 2; i++)
- disp_transform[i] = hypot(display_matrix[i][0], display_matrix[i][1]);
+ disp_transform[i] = hypot(sc->display_matrix[0 + i],
+ sc->display_matrix[3 + i]);
if (disp_transform[0] > 0 && disp_transform[1] > 0 &&
disp_transform[0] < (1<<24) && disp_transform[1] < (1<<24) &&
static int mov_read_chap(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
- c->chapter_track = avio_rb32(pb);
+ unsigned i, num;
+ void *new_tracks;
+
+ num = atom.size / 4;
+ if (!(new_tracks = av_malloc_array(num, sizeof(int))))
+ return AVERROR(ENOMEM);
+
+ av_free(c->chapter_tracks);
+ c->chapter_tracks = new_tracks;
+ c->nb_chapter_tracks = num;
+
+ for (i = 0; i < num && !pb->eof_reached; i++)
+ c->chapter_tracks[i] = avio_rb32(pb);
+
return 0;
}
uint8_t version;
unsigned i, track_id;
AVStream *st = NULL;
- MOVStreamContext *sc;
+ AVStream *ref_st;
+ MOVStreamContext *sc, *ref_sc;
MOVFragmentIndex *index = NULL;
MOVFragmentIndex **tmp;
AVRational timescale;
timescale = av_make_q(1, avio_rb32(pb));
+ if (timescale.den <= 0) {
+ av_log(c->fc, AV_LOG_ERROR, "Invalid sidx timescale 1/%d\n", timescale.den);
+ return AVERROR_INVALIDDATA;
+ }
+
if (version == 0) {
pts = avio_rb32(pb);
offset += avio_rb32(pb);
c->fragment_index_data = tmp;
c->fragment_index_data[c->fragment_index_count++] = index;
+ sc->has_sidx = 1;
+
+ if (offset == avio_size(pb)) {
+ for (i = 0; i < c->fc->nb_streams; i++) {
+ if (c->fc->streams[i]->id == c->fragment_index_data[0]->track_id) {
+ ref_st = c->fc->streams[i];
+ ref_sc = ref_st->priv_data;
+ break;
+ }
+ }
+ for (i = 0; i < c->fc->nb_streams; i++) {
+ st = c->fc->streams[i];
+ sc = st->priv_data;
+ if (!sc->has_sidx) {
+ st->duration = sc->track_end = av_rescale(ref_st->duration, sc->time_scale, ref_sc->time_scale);
+ }
+ }
- if (offset == avio_size(pb))
c->fragment_index_complete = 1;
+ }
return 0;
}
}
e->rate = avio_rb32(pb) / 65536.0;
av_log(c->fc, AV_LOG_TRACE, "duration=%"PRId64" time=%"PRId64" rate=%f\n",
- e->duration, e->time, e->rate);
+ e->duration, e->time, e->rate);
+
+ if (e->time < 0 && e->time != -1 &&
+ c->fc->strict_std_compliance >= FF_COMPLIANCE_STRICT) {
+ av_log(c->fc, AV_LOG_ERROR, "Track %d, edit %d: Invalid edit list media time=%"PRId64"\n",
+ c->fc->nb_streams-1, i, e->time);
+ return AVERROR_INVALIDDATA;
+ }
}
sc->elst_count = i;
return 0;
}
+static int mov_read_st3d(MOVContext *c, AVIOContext *pb, MOVAtom atom)
+{
+ AVStream *st;
+ MOVStreamContext *sc;
+ enum AVStereo3DType type;
+ int mode;
+
+ if (c->fc->nb_streams < 1)
+ return 0;
+
+ st = c->fc->streams[c->fc->nb_streams - 1];
+ sc = st->priv_data;
+
+ if (atom.size < 5) {
+ av_log(c->fc, AV_LOG_ERROR, "Empty stereoscopic video box\n");
+ return AVERROR_INVALIDDATA;
+ }
+ avio_skip(pb, 4); /* version + flags */
+
+ mode = avio_r8(pb);
+ switch (mode) {
+ case 0:
+ type = AV_STEREO3D_2D;
+ break;
+ case 1:
+ type = AV_STEREO3D_TOPBOTTOM;
+ break;
+ case 2:
+ type = AV_STEREO3D_SIDEBYSIDE;
+ break;
+ default:
+ av_log(c->fc, AV_LOG_WARNING, "Unknown st3d mode value %d\n", mode);
+ return 0;
+ }
+
+ sc->stereo3d = av_stereo3d_alloc();
+ if (!sc->stereo3d)
+ return AVERROR(ENOMEM);
+
+ sc->stereo3d->type = type;
+ return 0;
+}
+
+static int mov_read_sv3d(MOVContext *c, AVIOContext *pb, MOVAtom atom)
+{
+ AVStream *st;
+ MOVStreamContext *sc;
+ int size;
+ int32_t yaw, pitch, roll;
+ uint32_t tag;
+ enum AVSphericalProjection projection;
+
+ if (c->fc->nb_streams < 1)
+ return 0;
+
+ st = c->fc->streams[c->fc->nb_streams - 1];
+ sc = st->priv_data;
+
+ if (atom.size < 8) {
+ av_log(c->fc, AV_LOG_ERROR, "Empty spherical video box\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ size = avio_rb32(pb);
+ if (size <= 12 || size > atom.size)
+ return AVERROR_INVALIDDATA;
+
+ tag = avio_rl32(pb);
+ if (tag != MKTAG('s','v','h','d')) {
+ av_log(c->fc, AV_LOG_ERROR, "Missing spherical video header\n");
+ return 0;
+ }
+ avio_skip(pb, 4); /* version + flags */
+ avio_skip(pb, size - 12); /* metadata_source */
+
+ size = avio_rb32(pb);
+ if (size > atom.size)
+ return AVERROR_INVALIDDATA;
+
+ tag = avio_rl32(pb);
+ if (tag != MKTAG('p','r','o','j')) {
+ av_log(c->fc, AV_LOG_ERROR, "Missing projection box\n");
+ return 0;
+ }
+
+ size = avio_rb32(pb);
+ if (size > atom.size)
+ return AVERROR_INVALIDDATA;
+
+ tag = avio_rl32(pb);
+ if (tag != MKTAG('p','r','h','d')) {
+ av_log(c->fc, AV_LOG_ERROR, "Missing projection header box\n");
+ return 0;
+ }
+ avio_skip(pb, 4); /* version + flags */
+
+ /* 16.16 fixed point */
+ yaw = avio_rb32(pb);
+ pitch = avio_rb32(pb);
+ roll = avio_rb32(pb);
+
+ size = avio_rb32(pb);
+ if (size > atom.size)
+ return AVERROR_INVALIDDATA;
+
+ tag = avio_rl32(pb);
+ avio_skip(pb, 4); /* version + flags */
+ switch (tag) {
+ case MKTAG('c','b','m','p'):
+ projection = AV_SPHERICAL_CUBEMAP;
+ break;
+ case MKTAG('e','q','u','i'):
+ projection = AV_SPHERICAL_EQUIRECTANGULAR;
+ break;
+ default:
+ av_log(c->fc, AV_LOG_ERROR, "Unknown projection type\n");
+ return 0;
+ }
+
+ sc->spherical = av_spherical_alloc(&sc->spherical_size);
+ if (!sc->spherical)
+ return AVERROR(ENOMEM);
+
+ sc->spherical->projection = projection;
+
+ sc->spherical->yaw = yaw;
+ sc->spherical->pitch = pitch;
+ sc->spherical->roll = roll;
+
+ return 0;
+}
+
+static int mov_parse_uuid_spherical(MOVStreamContext *sc, AVIOContext *pb, size_t len)
+{
+ int ret = 0;
+ uint8_t *buffer = av_malloc(len + 1);
+ const char *val;
+
+ if (!buffer)
+ return AVERROR(ENOMEM);
+ buffer[len] = '\0';
+
+ ret = ffio_read_size(pb, buffer, len);
+ if (ret < 0)
+ goto out;
+
+ /* Check for mandatory keys and values, try to support XML as best-effort */
+ if (av_stristr(buffer, "<GSpherical:StitchingSoftware>") &&
+ (val = av_stristr(buffer, "<GSpherical:Spherical>")) &&
+ av_stristr(val, "true") &&
+ (val = av_stristr(buffer, "<GSpherical:Stitched>")) &&
+ av_stristr(val, "true") &&
+ (val = av_stristr(buffer, "<GSpherical:ProjectionType>")) &&
+ av_stristr(val, "equirectangular")) {
+ sc->spherical = av_spherical_alloc(&sc->spherical_size);
+ if (!sc->spherical)
+ goto out;
+
+ sc->spherical->projection = AV_SPHERICAL_EQUIRECTANGULAR;
+
+ if (av_stristr(buffer, "<GSpherical:StereoMode>")) {
+ enum AVStereo3DType mode;
+
+ if (av_stristr(buffer, "left-right"))
+ mode = AV_STEREO3D_SIDEBYSIDE;
+ else if (av_stristr(buffer, "top-bottom"))
+ mode = AV_STEREO3D_TOPBOTTOM;
+ else
+ mode = AV_STEREO3D_2D;
+
+ sc->stereo3d = av_stereo3d_alloc();
+ if (!sc->stereo3d)
+ goto out;
+
+ sc->stereo3d->type = mode;
+ }
+
+ /* orientation */
+ val = av_stristr(buffer, "<GSpherical:InitialViewHeadingDegrees>");
+ if (val)
+ sc->spherical->yaw = strtol(val, NULL, 10) * (1 << 16);
+ val = av_stristr(buffer, "<GSpherical:InitialViewPitchDegrees>");
+ if (val)
+ sc->spherical->pitch = strtol(val, NULL, 10) * (1 << 16);
+ val = av_stristr(buffer, "<GSpherical:InitialViewRollDegrees>");
+ if (val)
+ sc->spherical->roll = strtol(val, NULL, 10) * (1 << 16);
+ }
+
+out:
+ av_free(buffer);
+ return ret;
+}
+
static int mov_read_uuid(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
- int ret;
+ AVStream *st;
+ MOVStreamContext *sc;
+ int64_t ret;
uint8_t uuid[16];
static const uint8_t uuid_isml_manifest[] = {
0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
0xbe, 0x7a, 0xcf, 0xcb, 0x97, 0xa9, 0x42, 0xe8,
0x9c, 0x71, 0x99, 0x94, 0x91, 0xe3, 0xaf, 0xac
};
+ static const uint8_t uuid_spherical[] = {
+ 0xff, 0xcc, 0x82, 0x63, 0xf8, 0x55, 0x4a, 0x93,
+ 0x88, 0x14, 0x58, 0x7a, 0x02, 0x52, 0x1f, 0xdd,
+ };
if (atom.size < sizeof(uuid) || atom.size == INT64_MAX)
return AVERROR_INVALIDDATA;
+ if (c->fc->nb_streams < 1)
+ return 0;
+ st = c->fc->streams[c->fc->nb_streams - 1];
+ sc = st->priv_data;
+
ret = avio_read(pb, uuid, sizeof(uuid));
if (ret < 0) {
return ret;
} else if (!memcmp(uuid, uuid_xmp, sizeof(uuid))) {
uint8_t *buffer;
size_t len = atom.size - sizeof(uuid);
-
- buffer = av_mallocz(len + 1);
- if (!buffer) {
- return AVERROR(ENOMEM);
- }
- ret = avio_read(pb, buffer, len);
- if (ret < 0) {
- av_free(buffer);
- return ret;
- } else if (ret != len) {
- av_free(buffer);
- return AVERROR_INVALIDDATA;
- }
if (c->export_xmp) {
+ buffer = av_mallocz(len + 1);
+ if (!buffer) {
+ return AVERROR(ENOMEM);
+ }
+ ret = avio_read(pb, buffer, len);
+ if (ret < 0) {
+ av_free(buffer);
+ return ret;
+ } else if (ret != len) {
+ av_free(buffer);
+ return AVERROR_INVALIDDATA;
+ }
buffer[len] = '\0';
av_dict_set(&c->fc->metadata, "xmp", buffer, 0);
+ av_free(buffer);
+ } else {
+ // skip all uuid atom, which makes it fast for long uuid-xmp file
+ ret = avio_skip(pb, len);
+ if (ret < 0)
+ return ret;
}
- av_free(buffer);
- }
+ } else if (!memcmp(uuid, uuid_spherical, sizeof(uuid))) {
+ size_t len = atom.size - sizeof(uuid);
+ ret = mov_parse_uuid_spherical(sc, pb, len);
+ if (ret < 0)
+ return ret;
+ if (!sc->spherical)
+ av_log(c->fc, AV_LOG_WARNING, "Invalid spherical metadata found\n"); }
+
return 0;
}
return 0;
}
+static int mov_read_dfla(MOVContext *c, AVIOContext *pb, MOVAtom atom)
+{
+ AVStream *st;
+ int last, type, size, ret;
+ uint8_t buf[4];
+
+ if (c->fc->nb_streams < 1)
+ return 0;
+ st = c->fc->streams[c->fc->nb_streams-1];
+
+ if ((uint64_t)atom.size > (1<<30) || atom.size < 42)
+ return AVERROR_INVALIDDATA;
+
+ /* Check FlacSpecificBox version. */
+ if (avio_r8(pb) != 0)
+ return AVERROR_INVALIDDATA;
+
+ avio_rb24(pb); /* Flags */
+
+ avio_read(pb, buf, sizeof(buf));
+ flac_parse_block_header(buf, &last, &type, &size);
+
+ if (type != FLAC_METADATA_TYPE_STREAMINFO || size != FLAC_STREAMINFO_SIZE) {
+ av_log(c->fc, AV_LOG_ERROR, "STREAMINFO must be first FLACMetadataBlock\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ ret = ff_get_extradata(c->fc, st->codecpar, pb, size);
+ if (ret < 0)
+ return ret;
+
+ if (!last)
+ av_log(c->fc, AV_LOG_WARNING, "non-STREAMINFO FLACMetadataBlock(s) ignored\n");
+
+ return 0;
+}
+
static int cenc_filter(MOVContext *c, MOVStreamContext *sc, uint8_t *input, int size)
{
uint32_t encrypted_bytes;
{ MKTAG('f','r','m','a'), mov_read_frma },
{ MKTAG('s','e','n','c'), mov_read_senc },
{ MKTAG('s','a','i','z'), mov_read_saiz },
+{ MKTAG('d','f','L','a'), mov_read_dfla },
+{ MKTAG('s','t','3','d'), mov_read_st3d }, /* stereoscopic 3D video box */
+{ MKTAG('s','v','3','d'), mov_read_sv3d }, /* spherical video box */
{ 0, NULL }
};
a.type = avio_rl32(pb);
if (a.type == MKTAG('f','r','e','e') &&
a.size >= 8 &&
+ c->fc->strict_std_compliance < FF_COMPLIANCE_STRICT &&
c->moov_retry) {
uint8_t buf[8];
uint32_t *type = (uint32_t *)buf + 1;
static void mov_read_chapters(AVFormatContext *s)
{
MOVContext *mov = s->priv_data;
- AVStream *st = NULL;
+ AVStream *st;
MOVStreamContext *sc;
int64_t cur_pos;
- int i;
+ int i, j;
+ int chapter_track;
- for (i = 0; i < s->nb_streams; i++)
- if (s->streams[i]->id == mov->chapter_track) {
- st = s->streams[i];
- break;
+ for (j = 0; j < mov->nb_chapter_tracks; j++) {
+ chapter_track = mov->chapter_tracks[j];
+ st = NULL;
+ for (i = 0; i < s->nb_streams; i++)
+ if (s->streams[i]->id == chapter_track) {
+ st = s->streams[i];
+ break;
+ }
+ if (!st) {
+ av_log(s, AV_LOG_ERROR, "Referenced QT chapter track not found\n");
+ continue;
}
- if (!st) {
- av_log(s, AV_LOG_ERROR, "Referenced QT chapter track not found\n");
- return;
- }
- st->discard = AVDISCARD_ALL;
- sc = st->priv_data;
- cur_pos = avio_tell(sc->pb);
-
- for (i = 0; i < st->nb_index_entries; i++) {
- AVIndexEntry *sample = &st->index_entries[i];
- int64_t end = i+1 < st->nb_index_entries ? st->index_entries[i+1].timestamp : st->duration;
- uint8_t *title;
- uint16_t ch;
- int len, title_len;
-
- if (end < sample->timestamp) {
- av_log(s, AV_LOG_WARNING, "ignoring stream duration which is shorter than chapters\n");
- end = AV_NOPTS_VALUE;
- }
+ sc = st->priv_data;
+ cur_pos = avio_tell(sc->pb);
+
+ if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
+ st->disposition |= AV_DISPOSITION_ATTACHED_PIC | AV_DISPOSITION_TIMED_THUMBNAILS;
+ if (st->nb_index_entries) {
+ // Retrieve the first frame, if possible
+ AVPacket pkt;
+ AVIndexEntry *sample = &st->index_entries[0];
+ if (avio_seek(sc->pb, sample->pos, SEEK_SET) != sample->pos) {
+ av_log(s, AV_LOG_ERROR, "Failed to retrieve first frame\n");
+ goto finish;
+ }
- if (avio_seek(sc->pb, sample->pos, SEEK_SET) != sample->pos) {
- av_log(s, AV_LOG_ERROR, "Chapter %d not found in file\n", i);
- goto finish;
- }
+ if (av_get_packet(sc->pb, &pkt, sample->size) < 0)
+ goto finish;
- // the first two bytes are the length of the title
- len = avio_rb16(sc->pb);
- if (len > sample->size-2)
- continue;
- title_len = 2*len + 1;
- if (!(title = av_mallocz(title_len)))
- goto finish;
-
- // The samples could theoretically be in any encoding if there's an encd
- // atom following, but in practice are only utf-8 or utf-16, distinguished
- // instead by the presence of a BOM
- if (!len) {
- title[0] = 0;
+ st->attached_pic = pkt;
+ st->attached_pic.stream_index = st->index;
+ st->attached_pic.flags |= AV_PKT_FLAG_KEY;
+ }
} else {
- ch = avio_rb16(sc->pb);
- if (ch == 0xfeff)
- avio_get_str16be(sc->pb, len, title, title_len);
- else if (ch == 0xfffe)
- avio_get_str16le(sc->pb, len, title, title_len);
- else {
- AV_WB16(title, ch);
- if (len == 1 || len == 2)
- title[len] = 0;
- else
- avio_get_str(sc->pb, INT_MAX, title + 2, len - 1);
+ st->codecpar->codec_type = AVMEDIA_TYPE_DATA;
+ st->codecpar->codec_id = AV_CODEC_ID_BIN_DATA;
+ st->discard = AVDISCARD_ALL;
+ for (i = 0; i < st->nb_index_entries; i++) {
+ AVIndexEntry *sample = &st->index_entries[i];
+ int64_t end = i+1 < st->nb_index_entries ? st->index_entries[i+1].timestamp : st->duration;
+ uint8_t *title;
+ uint16_t ch;
+ int len, title_len;
+
+ if (end < sample->timestamp) {
+ av_log(s, AV_LOG_WARNING, "ignoring stream duration which is shorter than chapters\n");
+ end = AV_NOPTS_VALUE;
+ }
+
+ if (avio_seek(sc->pb, sample->pos, SEEK_SET) != sample->pos) {
+ av_log(s, AV_LOG_ERROR, "Chapter %d not found in file\n", i);
+ goto finish;
+ }
+
+ // the first two bytes are the length of the title
+ len = avio_rb16(sc->pb);
+ if (len > sample->size-2)
+ continue;
+ title_len = 2*len + 1;
+ if (!(title = av_mallocz(title_len)))
+ goto finish;
+
+ // The samples could theoretically be in any encoding if there's an encd
+ // atom following, but in practice are only utf-8 or utf-16, distinguished
+ // instead by the presence of a BOM
+ if (!len) {
+ title[0] = 0;
+ } else {
+ ch = avio_rb16(sc->pb);
+ if (ch == 0xfeff)
+ avio_get_str16be(sc->pb, len, title, title_len);
+ else if (ch == 0xfffe)
+ avio_get_str16le(sc->pb, len, title, title_len);
+ else {
+ AV_WB16(title, ch);
+ if (len == 1 || len == 2)
+ title[len] = 0;
+ else
+ avio_get_str(sc->pb, INT_MAX, title + 2, len - 1);
+ }
+ }
+
+ avpriv_new_chapter(s, i, st->time_base, sample->timestamp, end, title);
+ av_freep(&title);
}
}
-
- avpriv_new_chapter(s, i, st->time_base, sample->timestamp, end, title);
- av_freep(&title);
- }
finish:
- avio_seek(sc->pb, cur_pos, SEEK_SET);
+ avio_seek(sc->pb, cur_pos, SEEK_SET);
+ }
}
static int parse_timecode_in_framenum_format(AVFormatContext *s, AVStream *st,
av_freep(&sc->cenc.auxiliary_info);
av_freep(&sc->cenc.auxiliary_info_sizes);
av_aes_ctr_free(sc->cenc.aes_ctr);
+
+ av_freep(&sc->stereo3d);
+ av_freep(&sc->spherical);
}
if (mov->dv_demux) {
av_log(mov->fc, AV_LOG_TRACE, "on_parse_exit_offset=%"PRId64"\n", avio_tell(pb));
if (pb->seekable) {
- if (mov->chapter_track > 0 && !mov->ignore_chapters)
+ if (mov->nb_chapter_tracks > 0 && !mov->ignore_chapters)
mov_read_chapters(s);
for (i = 0; i < s->nb_streams; i++)
if (s->streams[i]->codecpar->codec_tag == AV_RL32("tmcd")) {
for (i = 0; i < s->nb_streams; i++) {
AVStream *st = s->streams[i];
MOVStreamContext *sc = st->priv_data;
- if (st->duration > 0)
+ if (st->duration > 0) {
+ if (sc->data_size > INT64_MAX / sc->time_scale / 8) {
+ av_log(s, AV_LOG_ERROR, "Overflow during bit rate calculation %"PRId64" * 8 * %d\n",
+ sc->data_size, sc->time_scale);
+ mov_read_close(s);
+ return AVERROR_INVALIDDATA;
+ }
st->codecpar->bit_rate = sc->data_size * 8 * sc->time_scale / st->duration;
+ }
}
}
AVStream *st = s->streams[i];
MOVStreamContext *sc = st->priv_data;
if (sc->duration_for_fps > 0) {
+ if (sc->data_size > INT64_MAX / sc->time_scale / 8) {
+ av_log(s, AV_LOG_ERROR, "Overflow during bit rate calculation %"PRId64" * 8 * %d\n",
+ sc->data_size, sc->time_scale);
+ mov_read_close(s);
+ return AVERROR_INVALIDDATA;
+ }
st->codecpar->bit_rate = sc->data_size * 8 * sc->time_scale /
sc->duration_for_fps;
}
break;
case AVMEDIA_TYPE_VIDEO:
if (sc->display_matrix) {
- AVPacketSideData *sd, *tmp;
+ err = av_stream_add_side_data(st, AV_PKT_DATA_DISPLAYMATRIX, (uint8_t*)sc->display_matrix,
+ sizeof(int32_t) * 9);
+ if (err < 0)
+ return err;
- tmp = av_realloc_array(st->side_data,
- st->nb_side_data + 1, sizeof(*tmp));
- if (!tmp)
- return AVERROR(ENOMEM);
+ sc->display_matrix = NULL;
+ }
+ if (sc->stereo3d) {
+ err = av_stream_add_side_data(st, AV_PKT_DATA_STEREO3D,
+ (uint8_t *)sc->stereo3d,
+ sizeof(*sc->stereo3d));
+ if (err < 0)
+ return err;
- st->side_data = tmp;
- st->nb_side_data++;
+ sc->stereo3d = NULL;
+ }
+ if (sc->spherical) {
+ err = av_stream_add_side_data(st, AV_PKT_DATA_SPHERICAL,
+ (uint8_t *)sc->spherical,
+ sc->spherical_size);
+ if (err < 0)
+ return err;
- sd = &st->side_data[st->nb_side_data - 1];
- sd->type = AV_PKT_DATA_DISPLAYMATRIX;
- sd->size = sizeof(int32_t) * 9;
- sd->data = (uint8_t*)sc->display_matrix;
- sc->display_matrix = NULL;
+ sc->spherical = NULL;
}
break;
}
pkt->stream_index = sc->ffindex;
pkt->dts = sample->timestamp;
+ if (sample->flags & AVINDEX_DISCARD_FRAME) {
+ pkt->flags |= AV_PKT_FLAG_DISCARD;
+ }
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 */
static int mov_seek_fragment(AVFormatContext *s, AVStream *st, int64_t timestamp)
{
MOVContext *mov = s->priv_data;
+ MOVStreamContext *sc = st->priv_data;
int i, j;
if (!mov->fragment_index_complete)
return 0;
for (i = 0; i < mov->fragment_index_count; i++) {
- if (mov->fragment_index_data[i]->track_id == st->id) {
+ if (mov->fragment_index_data[i]->track_id == st->id || !sc->has_sidx) {
MOVFragmentIndex *index = mov->fragment_index_data[i];
for (j = index->item_count - 1; j >= 0; j--) {
if (index->items[j].time <= timestamp) {
projects / ffmpeg / blobdiff