longs_pre_entry,index_type, entries_in_use, chunk_id, base);
#endif
- if(stream_id > s->nb_streams || stream_id < 0)
+ if(stream_id >= s->nb_streams || stream_id < 0)
return -1;
st= s->streams[stream_id];
ast = st->priv_data;
if(last_pos == pos || pos == base - 8)
avi->non_interleaved= 1;
- if(last_pos != pos)
- av_add_index_entry(st, pos, ast->cum_len / FFMAX(1, ast->sample_size), len, 0, key ? AVINDEX_KEYFRAME : 0);
+ if(last_pos != pos && (len || !ast->sample_size))
+ av_add_index_entry(st, pos, ast->cum_len, len, 0, key ? AVINDEX_KEYFRAME : 0);
if(ast->sample_size)
ast->cum_len += len;
ts= st->index_entries[0].timestamp;
for(j=0; j<size; j+=max){
- av_add_index_entry(st, pos+j, ts + j/ast->sample_size, FFMIN(max, size-j), 0, AVINDEX_KEYFRAME);
+ av_add_index_entry(st, pos+j, ts+j, FFMIN(max, size-j), 0, AVINDEX_KEYFRAME);
}
}
}
-static int avi_read_tag(AVFormatContext *s, const char *key, unsigned int size)
+static int avi_read_tag(AVFormatContext *s, AVStream *st, uint32_t tag, uint32_t size)
{
ByteIOContext *pb = s->pb;
- uint8_t value[1024];
+ char key[5] = {0}, *value;
- int64_t i = url_ftell(pb);
size += (size & 1);
- get_strz(pb, value, sizeof(value));
- url_fseek(pb, i+size, SEEK_SET);
- return av_metadata_set(&s->metadata, key, value);
+ if (size == UINT_MAX)
+ return -1;
+ value = av_malloc(size+1);
+ if (!value)
+ return -1;
+ get_buffer(pb, value, size);
+ value[size]=0;
+
+ AV_WL32(key, tag);
+
+ if(st)
+ return av_metadata_set2(&st->metadata, key, value,
+ AV_METADATA_DONT_STRDUP_VAL);
+ else
+ return av_metadata_set2(&s->metadata, key, value,
+ AV_METADATA_DONT_STRDUP_VAL);
+}
+
+static void avi_read_info(AVFormatContext *s, uint64_t end)
+{
+ while (url_ftell(s->pb) < end) {
+ uint32_t tag = get_le32(s->pb);
+ uint32_t size = get_le32(s->pb);
+ avi_read_tag(s, NULL, tag, size);
+ }
}
static int avi_read_header(AVFormatContext *s, AVFormatParameters *ap)
ByteIOContext *pb = s->pb;
unsigned int tag, tag1, handler;
int codec_type, stream_index, frame_period, bit_rate;
- unsigned int size, nb_frames;
+ unsigned int size;
int i;
AVStream *st;
AVIStream *ast = NULL;
int avih_width=0, avih_height=0;
int amv_file_format=0;
+ uint64_t list_end = 0;
avi->stream_index= -1;
switch(tag) {
case MKTAG('L', 'I', 'S', 'T'):
+ list_end = url_ftell(pb) + size;
/* Ignored, except at start of video packets. */
tag1 = get_le32(pb);
#ifdef DEBUG
avi->movi_list = url_ftell(pb) - 4;
if(size) avi->movi_end = avi->movi_list + size + (size & 1);
else avi->movi_end = url_fsize(pb);
-#ifdef DEBUG
dprintf(NULL, "movi end=%"PRIx64"\n", avi->movi_end);
-#endif
goto end_of_header;
}
+ else if (tag1 == MKTAG('I', 'N', 'F', 'O'))
+ avi_read_info(s, list_end);
+
break;
case MKTAG('d', 'm', 'l', 'h'):
avi->is_odml = 1;
av_set_pts_info(st, 64, ast->scale, ast->rate);
ast->cum_len=get_le32(pb); /* start */
- nb_frames = get_le32(pb);
+ st->nb_frames = get_le32(pb);
st->start_time = 0;
- st->duration = nb_frames;
get_le32(pb); /* buffer size */
get_le32(pb); /* quality */
ast->sample_size = get_le32(pb); /* sample ssize */
switch(tag1) {
case MKTAG('v', 'i', 'd', 's'):
- codec_type = CODEC_TYPE_VIDEO;
+ codec_type = AVMEDIA_TYPE_VIDEO;
ast->sample_size = 0;
break;
case MKTAG('a', 'u', 'd', 's'):
- codec_type = CODEC_TYPE_AUDIO;
+ codec_type = AVMEDIA_TYPE_AUDIO;
break;
case MKTAG('t', 'x', 't', 's'):
//FIXME
- codec_type = CODEC_TYPE_DATA; //CODEC_TYPE_SUB ? FIXME
+ codec_type = AVMEDIA_TYPE_DATA; //AVMEDIA_TYPE_SUB ? FIXME
break;
case MKTAG('d', 'a', 't', 's'):
- codec_type = CODEC_TYPE_DATA;
+ codec_type = AVMEDIA_TYPE_DATA;
break;
default:
av_log(s, AV_LOG_ERROR, "unknown stream type %X\n", tag1);
goto fail;
}
+ if(ast->sample_size == 0)
+ st->duration = st->nb_frames;
ast->frame_offset= ast->cum_len;
url_fskip(pb, size - 12 * 4);
break;
if (stream_index >= (unsigned)s->nb_streams || avi->dv_demux) {
url_fskip(pb, size);
} else {
+ uint64_t cur_pos = url_ftell(pb);
+ if (cur_pos < list_end)
+ size = FFMIN(size, list_end - cur_pos);
st = s->streams[stream_index];
switch(codec_type) {
- case CODEC_TYPE_VIDEO:
+ case AVMEDIA_TYPE_VIDEO:
if(amv_file_format){
st->codec->width=avih_width;
st->codec->height=avih_height;
- st->codec->codec_type = CODEC_TYPE_VIDEO;
+ st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
st->codec->codec_id = CODEC_ID_AMV;
url_fskip(pb, size);
break;
get_le32(pb); /* ClrUsed */
get_le32(pb); /* ClrImportant */
- if (tag1 == MKTAG('D', 'X', 'S', 'B')) {
- st->codec->codec_type = CODEC_TYPE_SUBTITLE;
+ if (tag1 == MKTAG('D', 'X', 'S', 'B') || tag1 == MKTAG('D','X','S','A')) {
+ st->codec->codec_type = AVMEDIA_TYPE_SUBTITLE;
st->codec->codec_tag = tag1;
st->codec->codec_id = CODEC_ID_XSUB;
break;
if(size > 10*4 && size<(1<<30)){
st->codec->extradata_size= size - 10*4;
st->codec->extradata= av_malloc(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
+ if (!st->codec->extradata) {
+ st->codec->extradata_size= 0;
+ return AVERROR(ENOMEM);
+ }
get_buffer(pb, st->codec->extradata, st->codec->extradata_size);
}
/* This is true for all paletted codecs implemented in FFmpeg. */
if (st->codec->extradata_size && (st->codec->bits_per_coded_sample <= 8)) {
st->codec->palctrl = av_mallocz(sizeof(AVPaletteControl));
-#ifdef WORDS_BIGENDIAN
+#if HAVE_BIGENDIAN
for (i = 0; i < FFMIN(st->codec->extradata_size, AVPALETTE_SIZE)/4; i++)
st->codec->palctrl->palette[i] = bswap_32(((uint32_t*)st->codec->extradata)[i]);
#else
#ifdef DEBUG
print_tag("video", tag1, 0);
#endif
- st->codec->codec_type = CODEC_TYPE_VIDEO;
+ st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
st->codec->codec_tag = tag1;
st->codec->codec_id = ff_codec_get_id(ff_codec_bmp_tags, tag1);
st->need_parsing = AVSTREAM_PARSE_HEADERS; // This is needed to get the pict type which is necessary for generating correct pts.
+ // Support "Resolution 1:1" for Avid AVI Codec
+ if(tag1 == MKTAG('A', 'V', 'R', 'n') &&
+ st->codec->extradata_size >= 31 &&
+ !memcmp(&st->codec->extradata[28], "1:1", 3))
+ st->codec->codec_id = CODEC_ID_RAWVIDEO;
if(st->codec->codec_tag==0 && st->codec->height > 0 && st->codec->extradata_size < 1U<<30){
st->codec->extradata_size+= 9;
// url_fskip(pb, size - 5 * 4);
break;
- case CODEC_TYPE_AUDIO:
+ case AVMEDIA_TYPE_AUDIO:
ff_get_wav_header(pb, st->codec, size);
if(ast->sample_size && st->codec->block_align && ast->sample_size != st->codec->block_align){
av_log(s, AV_LOG_WARNING, "sample size (%d) != block align (%d)\n", ast->sample_size, st->codec->block_align);
ast->sample_size= st->codec->block_align;
}
- if (size%2) /* 2-aligned (fix for Stargate SG-1 - 3x18 - Shades of Grey.avi) */
+ if (size&1) /* 2-aligned (fix for Stargate SG-1 - 3x18 - Shades of Grey.avi) */
url_fskip(pb, 1);
/* Force parsing as several audio frames can be in
* one packet and timestamps refer to packet start. */
st->codec->codec_id = CODEC_ID_ADPCM_IMA_AMV;
break;
default:
- st->codec->codec_type = CODEC_TYPE_DATA;
+ st->codec->codec_type = AVMEDIA_TYPE_DATA;
st->codec->codec_id= CODEC_ID_NONE;
st->codec->codec_tag= 0;
url_fskip(pb, size);
}
url_fseek(pb, size, SEEK_CUR);
break;
- case MKTAG('I', 'N', 'A', 'M'):
- avi_read_tag(s, "Title", size);
- break;
- case MKTAG('I', 'A', 'R', 'T'):
- avi_read_tag(s, "Artist", size);
- break;
- case MKTAG('I', 'C', 'O', 'P'):
- avi_read_tag(s, "Copyright", size);
- break;
- case MKTAG('I', 'C', 'M', 'T'):
- avi_read_tag(s, "Comment", size);
- break;
- case MKTAG('I', 'G', 'N', 'R'):
- avi_read_tag(s, "Genre", size);
- break;
- case MKTAG('I', 'P', 'R', 'D'):
- avi_read_tag(s, "Album", size);
- break;
- case MKTAG('I', 'P', 'R', 'T'):
- avi_read_tag(s, "Track", size);
- break;
+ case MKTAG('s', 't', 'r', 'n'):
+ if(s->nb_streams){
+ avi_read_tag(s, s->streams[s->nb_streams-1], tag, size);
+ break;
+ }
default:
if(size > 1000000){
av_log(s, AV_LOG_ERROR, "Something went wrong during header parsing, "
avi_load_index(s);
avi->index_loaded = 1;
avi->non_interleaved |= guess_ni_flag(s);
+ for(i=0; i<s->nb_streams; i++){
+ AVStream *st = s->streams[i];
+ if(st->nb_index_entries)
+ break;
+ }
+ if(i==s->nb_streams && avi->non_interleaved) {
+ av_log(s, AV_LOG_WARNING, "non-interleaved AVI without index, switching to interleaved\n");
+ avi->non_interleaved=0;
+ }
+
if(avi->non_interleaved) {
av_log(s, AV_LOG_INFO, "non-interleaved AVI\n");
clean_index(s);
AVStream *st = s->streams[i];
AVIStream *ast = st->priv_data;
int64_t ts= ast->frame_offset;
+ int64_t last_ts;
- if(ast->sample_size)
- ts /= ast->sample_size;
- ts= av_rescale(ts, AV_TIME_BASE * (int64_t)st->time_base.num, st->time_base.den);
+ if(!st->nb_index_entries)
+ continue;
+
+ last_ts = st->index_entries[st->nb_index_entries - 1].timestamp;
+ if(!ast->remaining && ts > last_ts)
+ continue;
+
+ ts = av_rescale_q(ts, st->time_base, (AVRational){FFMAX(1, ast->sample_size), AV_TIME_BASE});
// av_log(s, AV_LOG_DEBUG, "%"PRId64" %d/%d %"PRId64"\n", ts, st->time_base.num, st->time_base.den, ast->frame_offset);
- if(ts < best_ts && st->nb_index_entries){
+ if(ts < best_ts){
best_ts= ts;
best_st= st;
best_stream_index= i;
return -1;
best_ast = best_st->priv_data;
- best_ts= av_rescale(best_ts, best_st->time_base.den, AV_TIME_BASE * (int64_t)best_st->time_base.num); //FIXME a little ugly
+ best_ts = av_rescale_q(best_ts, (AVRational){FFMAX(1, best_ast->sample_size), AV_TIME_BASE}, best_st->time_base);
if(best_ast->remaining)
i= av_index_search_timestamp(best_st, best_ts, AVSEEK_FLAG_ANY | AVSEEK_FLAG_BACKWARD);
else{
i= av_index_search_timestamp(best_st, best_ts, AVSEEK_FLAG_ANY);
if(i>=0)
- best_ast->frame_offset= best_st->index_entries[i].timestamp
- * FFMAX(1, best_ast->sample_size);
+ best_ast->frame_offset= best_st->index_entries[i].timestamp;
}
// av_log(s, AV_LOG_DEBUG, "%d\n", i);
if(ast->sample_size <= 1) // minorityreport.AVI block_align=1024 sample_size=1 IMA-ADPCM
size= INT_MAX;
else if(ast->sample_size < 32)
- size= 64*ast->sample_size;
+ // arbitrary multiplier to avoid tiny packets for raw PCM data
+ size= 1024*ast->sample_size;
else
size= ast->sample_size;
size = dv_produce_packet(avi->dv_demux, pkt,
pkt->data, pkt->size);
pkt->destruct = dstr;
- pkt->flags |= PKT_FLAG_KEY;
+ pkt->flags |= AV_PKT_FLAG_KEY;
} else {
/* XXX: How to handle B-frames in AVI? */
pkt->dts = ast->frame_offset;
//av_log(s, AV_LOG_DEBUG, "dts:%"PRId64" offset:%"PRId64" %d/%d smpl_siz:%d base:%d st:%d size:%d\n", pkt->dts, ast->frame_offset, ast->scale, ast->rate, ast->sample_size, AV_TIME_BASE, avi->stream_index, size);
pkt->stream_index = avi->stream_index;
- if (st->codec->codec_type == CODEC_TYPE_VIDEO) {
+ if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
AVIndexEntry *e;
int index;
assert(st->index_entries);
- index= av_index_search_timestamp(st, pkt->dts, 0);
+ index= av_index_search_timestamp(st, ast->frame_offset, 0);
e= &st->index_entries[index];
if(index >= 0 && e->timestamp == ast->frame_offset){
if (e->flags & AVINDEX_KEYFRAME)
- pkt->flags |= PKT_FLAG_KEY;
+ pkt->flags |= AV_PKT_FLAG_KEY;
}
} else {
- pkt->flags |= PKT_FLAG_KEY;
+ pkt->flags |= AV_PKT_FLAG_KEY;
}
if(ast->sample_size)
ast->frame_offset += pkt->size;
goto resync;
}
+ //parse stray LIST
+ if(d[0] == 'L' && d[1] == 'I' && d[2] == 'S' && d[3] == 'T'){
+ url_fskip(pb, 4);
+ goto resync;
+ }
+
n= get_stream_idx(d);
if(!((i-avi->last_pkt_pos)&1) && get_stream_idx(d+1) < s->nb_streams)
continue;
+ //detect ##ix chunk and skip
+ if(d[2] == 'i' && d[3] == 'x' && n < s->nb_streams){
+ url_fskip(pb, size);
+ goto resync;
+ }
+
//parse ##dc/##wb
if(n < s->nb_streams){
AVStream *st;
//workaround for broken small-file-bug402.avi
if( d[2] == 'w' && d[3] == 'b'
&& n==0
- && st ->codec->codec_type == CODEC_TYPE_VIDEO
- && st1->codec->codec_type == CODEC_TYPE_AUDIO
+ && st ->codec->codec_type == AVMEDIA_TYPE_VIDEO
+ && st1->codec->codec_type == AVMEDIA_TYPE_AUDIO
&& ast->prefix == 'd'*256+'c'
&& (d[2]*256+d[3] == ast1->prefix || !ast1->prefix_count)
){
if( (st->discard >= AVDISCARD_DEFAULT && size==0)
- /*|| (st->discard >= AVDISCARD_NONKEY && !(pkt->flags & PKT_FLAG_KEY))*/ //FIXME needs a little reordering
+ /*|| (st->discard >= AVDISCARD_NONKEY && !(pkt->flags & AV_PKT_FLAG_KEY))*/ //FIXME needs a little reordering
|| st->discard >= AVDISCARD_ALL){
- if(ast->sample_size) ast->frame_offset += pkt->size;
+ if(ast->sample_size) ast->frame_offset += size;
else ast->frame_offset++;
url_fskip(pb, size);
goto resync;
ast->packet_size= size + 8;
ast->remaining= size;
- {
+ if(size || !ast->sample_size){
uint64_t pos= url_ftell(pb) - 8;
if(!st->index_entries || !st->nb_index_entries || st->index_entries[st->nb_index_entries - 1].pos < pos){
- av_add_index_entry(st, pos, ast->frame_offset / FFMAX(1, ast->sample_size), size, 0, AVINDEX_KEYFRAME);
+ av_add_index_entry(st, pos, ast->frame_offset, size, 0, AVINDEX_KEYFRAME);
}
}
goto resync;
if(last_pos == pos)
avi->non_interleaved= 1;
- else
- av_add_index_entry(st, pos, ast->cum_len / FFMAX(1, ast->sample_size), len, 0, (flags&AVIIF_INDEX) ? AVINDEX_KEYFRAME : 0);
+ else if(len || !ast->sample_size)
+ av_add_index_entry(st, pos, ast->cum_len, len, 0, (flags&AVIIF_INDEX) ? AVINDEX_KEYFRAME : 0);
if(ast->sample_size)
ast->cum_len += len;
else
ByteIOContext *pb = s->pb;
uint32_t tag, size;
int64_t pos= url_ftell(pb);
+ int ret = -1;
- url_fseek(pb, avi->movi_end, SEEK_SET);
+ if (url_fseek(pb, avi->movi_end, SEEK_SET) < 0)
+ goto the_end; // maybe truncated file
#ifdef DEBUG_SEEK
printf("movi_end=0x%"PRIx64"\n", avi->movi_end);
#endif
case MKTAG('i', 'd', 'x', '1'):
if (avi_read_idx1(s, size) < 0)
goto skip;
- else
+ ret = 0;
goto the_end;
break;
default:
skip:
size += (size & 1);
- url_fskip(pb, size);
+ if (url_fseek(pb, size, SEEK_CUR) < 0)
+ goto the_end; // something is wrong here
break;
}
}
the_end:
url_fseek(pb, pos, SEEK_SET);
- return 0;
+ return ret;
}
static int avi_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp, int flags)
AVStream *st;
int i, index;
int64_t pos;
+ AVIStream *ast;
if (!avi->index_loaded) {
/* we only load the index on demand */
assert(stream_index>= 0);
st = s->streams[stream_index];
- index= av_index_search_timestamp(st, timestamp, flags);
+ ast= st->priv_data;
+ index= av_index_search_timestamp(st, timestamp * FFMAX(ast->sample_size, 1), flags);
if(index<0)
return -1;
/* find the position */
pos = st->index_entries[index].pos;
- timestamp = st->index_entries[index].timestamp;
+ timestamp = st->index_entries[index].timestamp / FFMAX(ast->sample_size, 1);
// av_log(s, AV_LOG_DEBUG, "XX %"PRId64" %d %"PRId64"\n", timestamp, index, st->index_entries[index].timestamp);
assert((int64_t)st2->time_base.num*ast2->rate == (int64_t)st2->time_base.den*ast2->scale);
index = av_index_search_timestamp(
st2,
- av_rescale(timestamp, st2->time_base.den*(int64_t)st->time_base.num, st->time_base.den * (int64_t)st2->time_base.num),
+ av_rescale_q(timestamp, st->time_base, st2->time_base) * FFMAX(ast2->sample_size, 1),
flags | AVSEEK_FLAG_BACKWARD);
if(index<0)
index=0;
// av_log(s, AV_LOG_DEBUG, "%"PRId64" %d %"PRId64"\n", timestamp, index, st2->index_entries[index].timestamp);
/* extract the current frame number */
ast2->frame_offset = st2->index_entries[index].timestamp;
- if(ast2->sample_size)
- ast2->frame_offset *=ast2->sample_size;
}
/* do the seek */
avi_read_packet,
avi_read_close,
avi_read_seek,
+ .metadata_conv = ff_avi_metadata_conv,
};
projects / ffmpeg / blobdiff