//#define DEBUG
//#define DEBUG_SEEK
+#include <strings.h>
#include "libavutil/intreadwrite.h"
#include "libavutil/bswap.h"
-#include "libavcodec/bytestream.h"
#include "avformat.h"
#include "avi.h"
#include "dv.h"
static int avi_load_index(AVFormatContext *s);
static int guess_ni_flag(AVFormatContext *s);
-#ifdef DEBUG
-static void print_tag(const char *str, unsigned int tag, int size)
-{
- dprintf(NULL, "%s: tag=%c%c%c%c size=0x%x\n",
- str, tag & 0xff,
- (tag >> 8) & 0xff,
- (tag >> 16) & 0xff,
- (tag >> 24) & 0xff,
- size);
-}
-#endif
+#define print_tag(str, tag, size) \
+ av_dlog(NULL, "%s: tag=%c%c%c%c size=0x%x\n", \
+ str, tag & 0xff, \
+ (tag >> 8) & 0xff, \
+ (tag >> 16) & 0xff, \
+ (tag >> 24) & 0xff, \
+ size)
static inline int get_duration(AVIStream *ast, int len){
if(ast->sample_size){
return 1;
}
-static int get_riff(AVFormatContext *s, ByteIOContext *pb)
+static int get_riff(AVFormatContext *s, AVIOContext *pb)
{
AVIContext *avi = s->priv_data;
char header[8];
int i;
/* check RIFF header */
- get_buffer(pb, header, 4);
- avi->riff_end = get_le32(pb); /* RIFF chunk size */
- avi->riff_end += url_ftell(pb); /* RIFF chunk end */
- get_buffer(pb, header+4, 4);
+ avio_read(pb, header, 4);
+ avi->riff_end = avio_rl32(pb); /* RIFF chunk size */
+ avi->riff_end += avio_tell(pb); /* RIFF chunk end */
+ avio_read(pb, header+4, 4);
for(i=0; avi_headers[i][0]; i++)
if(!memcmp(header, avi_headers[i], 8))
static int read_braindead_odml_indx(AVFormatContext *s, int frame_num){
AVIContext *avi = s->priv_data;
- ByteIOContext *pb = s->pb;
- int longs_pre_entry= get_le16(pb);
- int index_sub_type = get_byte(pb);
- int index_type = get_byte(pb);
- int entries_in_use = get_le32(pb);
- int chunk_id = get_le32(pb);
- int64_t base = get_le64(pb);
+ AVIOContext *pb = s->pb;
+ int longs_pre_entry= avio_rl16(pb);
+ int index_sub_type = avio_r8(pb);
+ int index_type = avio_r8(pb);
+ int entries_in_use = avio_rl32(pb);
+ int chunk_id = avio_rl32(pb);
+ int64_t base = avio_rl64(pb);
int stream_id= 10*((chunk_id&0xFF) - '0') + (((chunk_id>>8)&0xFF) - '0');
AVStream *st;
AVIStream *ast;
int i;
int64_t last_pos= -1;
- int64_t filesize= url_fsize(s->pb);
+ int64_t filesize= avio_size(s->pb);
#ifdef DEBUG_SEEK
av_log(s, AV_LOG_ERROR, "longs_pre_entry:%d index_type:%d entries_in_use:%d chunk_id:%X base:%16"PRIX64"\n",
if(index_sub_type)
return -1;
- get_le32(pb);
+ avio_rl32(pb);
if(index_type && longs_pre_entry != 2)
return -1;
for(i=0; i<entries_in_use; i++){
if(index_type){
- int64_t pos= get_le32(pb) + base - 8;
- int len = get_le32(pb);
+ int64_t pos= avio_rl32(pb) + base - 8;
+ int len = avio_rl32(pb);
int key= len >= 0;
len &= 0x7FFFFFFF;
}else{
int64_t offset, pos;
int duration;
- offset = get_le64(pb);
- get_le32(pb); /* size */
- duration = get_le32(pb);
+ offset = avio_rl64(pb);
+ avio_rl32(pb); /* size */
+ duration = avio_rl32(pb);
if(url_feof(pb))
return -1;
- pos = url_ftell(pb);
+ pos = avio_tell(pb);
if(avi->odml_depth > MAX_ODML_DEPTH){
av_log(s, AV_LOG_ERROR, "Too deeply nested ODML indexes\n");
return -1;
}
- url_fseek(pb, offset+8, SEEK_SET);
+ avio_seek(pb, offset+8, SEEK_SET);
avi->odml_depth++;
read_braindead_odml_indx(s, frame_num);
avi->odml_depth--;
frame_num += duration;
- url_fseek(pb, pos, SEEK_SET);
+ avio_seek(pb, pos, SEEK_SET);
}
}
avi->index_loaded=1;
static int avi_read_tag(AVFormatContext *s, AVStream *st, uint32_t tag, uint32_t size)
{
- ByteIOContext *pb = s->pb;
+ AVIOContext *pb = s->pb;
char key[5] = {0}, *value;
size += (size & 1);
value = av_malloc(size+1);
if (!value)
return -1;
- get_buffer(pb, value, size);
+ avio_read(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);
+ return av_metadata_set2(st ? &st->metadata : &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);
+ while (avio_tell(s->pb) < end) {
+ uint32_t tag = avio_rl32(s->pb);
+ uint32_t size = avio_rl32(s->pb);
avi_read_tag(s, NULL, tag, size);
}
}
+static const char months[12][4] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
+ "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
+
+static void avi_metadata_creation_time(AVMetadata **metadata, char *date)
+{
+ char month[4], time[9], buffer[64];
+ int i, day, year;
+ /* parse standard AVI date format (ie. "Mon Mar 10 15:04:43 2003") */
+ if (sscanf(date, "%*3s%*[ ]%3s%*[ ]%2d%*[ ]%8s%*[ ]%4d",
+ month, &day, time, &year) == 4) {
+ for (i=0; i<12; i++)
+ if (!strcasecmp(month, months[i])) {
+ snprintf(buffer, sizeof(buffer), "%.4d-%.2d-%.2d %s",
+ year, i+1, day, time);
+ av_metadata_set2(metadata, "creation_time", buffer, 0);
+ }
+ } else if (date[4] == '/' && date[7] == '/') {
+ date[4] = date[7] = '-';
+ av_metadata_set2(metadata, "creation_time", date, 0);
+ }
+}
+
+static void avi_read_nikon(AVFormatContext *s, uint64_t end)
+{
+ while (avio_tell(s->pb) < end) {
+ uint32_t tag = avio_rl32(s->pb);
+ uint32_t size = avio_rl32(s->pb);
+ switch (tag) {
+ case MKTAG('n', 'c', 't', 'g'): { /* Nikon Tags */
+ uint64_t tag_end = avio_tell(s->pb) + size;
+ while (avio_tell(s->pb) < tag_end) {
+ uint16_t tag = avio_rl16(s->pb);
+ uint16_t size = avio_rl16(s->pb);
+ const char *name = NULL;
+ char buffer[64] = {0};
+ size -= avio_read(s->pb, buffer,
+ FFMIN(size, sizeof(buffer)-1));
+ switch (tag) {
+ case 0x03: name = "maker"; break;
+ case 0x04: name = "model"; break;
+ case 0x13: name = "creation_time";
+ if (buffer[4] == ':' && buffer[7] == ':')
+ buffer[4] = buffer[7] = '-';
+ break;
+ }
+ if (name)
+ av_metadata_set2(&s->metadata, name, buffer, 0);
+ avio_skip(s->pb, size);
+ }
+ break;
+ }
+ default:
+ avio_skip(s->pb, size);
+ break;
+ }
+ }
+}
+
static int avi_read_header(AVFormatContext *s, AVFormatParameters *ap)
{
AVIContext *avi = s->priv_data;
- ByteIOContext *pb = s->pb;
+ AVIOContext *pb = s->pb;
unsigned int tag, tag1, handler;
int codec_type, stream_index, frame_period, bit_rate;
unsigned int size;
if (get_riff(s, pb) < 0)
return -1;
- avi->fsize = url_fsize(pb);
+ avi->fsize = avio_size(pb);
if(avi->fsize<=0)
avi->fsize= avi->riff_end == 8 ? INT64_MAX : avi->riff_end;
for(;;) {
if (url_feof(pb))
goto fail;
- tag = get_le32(pb);
- size = get_le32(pb);
-#ifdef DEBUG
+ tag = avio_rl32(pb);
+ size = avio_rl32(pb);
+
print_tag("tag", tag, size);
-#endif
switch(tag) {
case MKTAG('L', 'I', 'S', 'T'):
- list_end = url_ftell(pb) + size;
+ list_end = avio_tell(pb) + size;
/* Ignored, except at start of video packets. */
- tag1 = get_le32(pb);
-#ifdef DEBUG
+ tag1 = avio_rl32(pb);
+
print_tag("list", tag1, 0);
-#endif
+
if (tag1 == MKTAG('m', 'o', 'v', 'i')) {
- avi->movi_list = url_ftell(pb) - 4;
+ avi->movi_list = avio_tell(pb) - 4;
if(size) avi->movi_end = avi->movi_list + size + (size & 1);
- else avi->movi_end = url_fsize(pb);
- dprintf(NULL, "movi end=%"PRIx64"\n", avi->movi_end);
+ else avi->movi_end = avio_size(pb);
+ av_dlog(NULL, "movi end=%"PRIx64"\n", avi->movi_end);
goto end_of_header;
}
else if (tag1 == MKTAG('I', 'N', 'F', 'O'))
avi_read_info(s, list_end);
+ else if (tag1 == MKTAG('n', 'c', 'd', 't'))
+ avi_read_nikon(s, list_end);
break;
+ case MKTAG('I', 'D', 'I', 'T'): {
+ unsigned char date[64] = {0};
+ size += (size & 1);
+ size -= avio_read(pb, date, FFMIN(size, sizeof(date)-1));
+ avio_skip(pb, size);
+ avi_metadata_creation_time(&s->metadata, date);
+ break;
+ }
case MKTAG('d', 'm', 'l', 'h'):
avi->is_odml = 1;
- url_fskip(pb, size + (size & 1));
+ avio_skip(pb, size + (size & 1));
break;
case MKTAG('a', 'm', 'v', 'h'):
amv_file_format=1;
case MKTAG('a', 'v', 'i', 'h'):
/* AVI header */
/* using frame_period is bad idea */
- frame_period = get_le32(pb);
- bit_rate = get_le32(pb) * 8;
- get_le32(pb);
- avi->non_interleaved |= get_le32(pb) & AVIF_MUSTUSEINDEX;
-
- url_fskip(pb, 2 * 4);
- get_le32(pb);
- get_le32(pb);
- avih_width=get_le32(pb);
- avih_height=get_le32(pb);
-
- url_fskip(pb, size - 10 * 4);
+ frame_period = avio_rl32(pb);
+ bit_rate = avio_rl32(pb) * 8;
+ avio_rl32(pb);
+ avi->non_interleaved |= avio_rl32(pb) & AVIF_MUSTUSEINDEX;
+
+ avio_skip(pb, 2 * 4);
+ avio_rl32(pb);
+ avio_rl32(pb);
+ avih_width=avio_rl32(pb);
+ avih_height=avio_rl32(pb);
+
+ avio_skip(pb, size - 10 * 4);
break;
case MKTAG('s', 't', 'r', 'h'):
/* stream header */
- tag1 = get_le32(pb);
- handler = get_le32(pb); /* codec tag */
+ tag1 = avio_rl32(pb);
+ handler = avio_rl32(pb); /* codec tag */
if(tag1 == MKTAG('p', 'a', 'd', 's')){
- url_fskip(pb, size - 8);
+ avio_skip(pb, size - 8);
break;
}else{
stream_index++;
if(amv_file_format)
tag1 = stream_index ? MKTAG('a','u','d','s') : MKTAG('v','i','d','s');
-#ifdef DEBUG
print_tag("strh", tag1, -1);
-#endif
+
if(tag1 == MKTAG('i', 'a', 'v', 's') || tag1 == MKTAG('i', 'v', 'a', 's')){
int64_t dv_dur;
goto fail;
}
s->streams[0]->priv_data = ast;
- url_fskip(pb, 3 * 4);
- ast->scale = get_le32(pb);
- ast->rate = get_le32(pb);
- url_fskip(pb, 4); /* start time */
+ avio_skip(pb, 3 * 4);
+ ast->scale = avio_rl32(pb);
+ ast->rate = avio_rl32(pb);
+ avio_skip(pb, 4); /* start time */
- dv_dur = get_le32(pb);
+ dv_dur = avio_rl32(pb);
if (ast->scale > 0 && ast->rate > 0 && dv_dur > 0) {
dv_dur *= AV_TIME_BASE;
s->duration = av_rescale(dv_dur, ast->scale, ast->rate);
*/
stream_index = s->nb_streams - 1;
- url_fskip(pb, size - 9*4);
+ avio_skip(pb, size - 9*4);
break;
}
assert(stream_index < s->nb_streams);
st->codec->stream_codec_tag= handler;
- get_le32(pb); /* flags */
- get_le16(pb); /* priority */
- get_le16(pb); /* language */
- get_le32(pb); /* initial frame */
- ast->scale = get_le32(pb);
- ast->rate = get_le32(pb);
+ avio_rl32(pb); /* flags */
+ avio_rl16(pb); /* priority */
+ avio_rl16(pb); /* language */
+ avio_rl32(pb); /* initial frame */
+ ast->scale = avio_rl32(pb);
+ ast->rate = avio_rl32(pb);
if(!(ast->scale && ast->rate)){
av_log(s, AV_LOG_WARNING, "scale/rate is %u/%u which is invalid. (This file has been generated by broken software.)\n", ast->scale, ast->rate);
if(frame_period){
}
av_set_pts_info(st, 64, ast->scale, ast->rate);
- ast->cum_len=get_le32(pb); /* start */
- st->nb_frames = get_le32(pb);
+ ast->cum_len=avio_rl32(pb); /* start */
+ st->nb_frames = avio_rl32(pb);
st->start_time = 0;
- get_le32(pb); /* buffer size */
- get_le32(pb); /* quality */
- ast->sample_size = get_le32(pb); /* sample ssize */
+ avio_rl32(pb); /* buffer size */
+ avio_rl32(pb); /* quality */
+ ast->sample_size = avio_rl32(pb); /* sample ssize */
ast->cum_len *= FFMAX(1, ast->sample_size);
// av_log(s, AV_LOG_DEBUG, "%d %d %d %d\n", ast->rate, ast->scale, ast->start, ast->sample_size);
if(ast->sample_size == 0)
st->duration = st->nb_frames;
ast->frame_offset= ast->cum_len;
- url_fskip(pb, size - 12 * 4);
+ avio_skip(pb, size - 12 * 4);
break;
case MKTAG('s', 't', 'r', 'f'):
/* stream header */
if (stream_index >= (unsigned)s->nb_streams || avi->dv_demux) {
- url_fskip(pb, size);
+ avio_skip(pb, size);
} else {
- uint64_t cur_pos = url_ftell(pb);
+ uint64_t cur_pos = avio_tell(pb);
if (cur_pos < list_end)
size = FFMIN(size, list_end - cur_pos);
st = s->streams[stream_index];
st->codec->height=avih_height;
st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
st->codec->codec_id = CODEC_ID_AMV;
- url_fskip(pb, size);
+ avio_skip(pb, size);
break;
}
- get_le32(pb); /* size */
- st->codec->width = get_le32(pb);
- st->codec->height = (int32_t)get_le32(pb);
- get_le16(pb); /* panes */
- st->codec->bits_per_coded_sample= get_le16(pb); /* depth */
- tag1 = get_le32(pb);
- get_le32(pb); /* ImageSize */
- get_le32(pb); /* XPelsPerMeter */
- get_le32(pb); /* YPelsPerMeter */
- get_le32(pb); /* ClrUsed */
- get_le32(pb); /* ClrImportant */
+ tag1 = ff_get_bmp_header(pb, st);
if (tag1 == MKTAG('D', 'X', 'S', 'B') || tag1 == MKTAG('D','X','S','A')) {
st->codec->codec_type = AVMEDIA_TYPE_SUBTITLE;
st->codec->extradata_size= 0;
return AVERROR(ENOMEM);
}
- get_buffer(pb, st->codec->extradata, st->codec->extradata_size);
+ avio_read(pb, st->codec->extradata, st->codec->extradata_size);
}
if(st->codec->extradata_size & 1) //FIXME check if the encoder really did this correctly
- get_byte(pb);
+ avio_r8(pb);
/* Extract palette from extradata if bpp <= 8. */
/* This code assumes that extradata contains only palette. */
st->codec->palctrl->palette_changed = 1;
}
-#ifdef DEBUG
print_tag("video", tag1, 0);
-#endif
+
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->codec->height= FFABS(st->codec->height);
-// url_fskip(pb, size - 5 * 4);
+// avio_skip(pb, size - 5 * 4);
break;
case AVMEDIA_TYPE_AUDIO:
ff_get_wav_header(pb, st->codec, size);
ast->sample_size= st->codec->block_align;
}
if (size&1) /* 2-aligned (fix for Stargate SG-1 - 3x18 - Shades of Grey.avi) */
- url_fskip(pb, 1);
+ avio_skip(pb, 1);
/* Force parsing as several audio frames can be in
* one packet and timestamps refer to packet start. */
st->need_parsing = AVSTREAM_PARSE_TIMESTAMPS;
st->codec->codec_type = AVMEDIA_TYPE_DATA;
st->codec->codec_id= CODEC_ID_NONE;
st->codec->codec_tag= 0;
- url_fskip(pb, size);
+ avio_skip(pb, size);
break;
}
}
break;
case MKTAG('i', 'n', 'd', 'x'):
- i= url_ftell(pb);
+ i= avio_tell(pb);
if(!url_is_streamed(pb) && !(s->flags & AVFMT_FLAG_IGNIDX)){
read_braindead_odml_indx(s, 0);
}
- url_fseek(pb, i+size, SEEK_SET);
+ avio_seek(pb, i+size, SEEK_SET);
break;
case MKTAG('v', 'p', 'r', 'p'):
if(stream_index < (unsigned)s->nb_streams && size > 9*4){
AVRational active, active_aspect;
st = s->streams[stream_index];
- get_le32(pb);
- get_le32(pb);
- get_le32(pb);
- get_le32(pb);
- get_le32(pb);
-
- active_aspect.den= get_le16(pb);
- active_aspect.num= get_le16(pb);
- active.num = get_le32(pb);
- active.den = get_le32(pb);
- get_le32(pb); //nbFieldsPerFrame
+ avio_rl32(pb);
+ avio_rl32(pb);
+ avio_rl32(pb);
+ avio_rl32(pb);
+ avio_rl32(pb);
+
+ active_aspect.den= avio_rl16(pb);
+ active_aspect.num= avio_rl16(pb);
+ active.num = avio_rl32(pb);
+ active.den = avio_rl32(pb);
+ avio_rl32(pb); //nbFieldsPerFrame
if(active_aspect.num && active_aspect.den && active.num && active.den){
st->sample_aspect_ratio= av_div_q(active_aspect, active);
}
size -= 9*4;
}
- url_fseek(pb, size, SEEK_CUR);
+ avio_skip(pb, size);
break;
case MKTAG('s', 't', 'r', 'n'):
if(s->nb_streams){
if(size > 1000000){
av_log(s, AV_LOG_ERROR, "Something went wrong during header parsing, "
"I will ignore it and try to continue anyway.\n");
- avi->movi_list = url_ftell(pb) - 4;
- avi->movi_end = url_fsize(pb);
+ avi->movi_list = avio_tell(pb) - 4;
+ avi->movi_end = avio_size(pb);
goto end_of_header;
}
/* skip tag */
size += (size & 1);
- url_fskip(pb, size);
+ avio_skip(pb, size);
break;
}
}
static int read_gab2_sub(AVStream *st, AVPacket *pkt) {
if (!strcmp(pkt->data, "GAB2") && AV_RL16(pkt->data+5) == 2) {
- uint8_t desc[256], *d = desc;
- uint8_t *end, *ptr = pkt->data+7;
- unsigned int size, desc_len = bytestream_get_le32(&ptr);
- int score = AVPROBE_SCORE_MAX / 2;
+ uint8_t desc[256];
+ int score = AVPROBE_SCORE_MAX / 2, ret;
AVIStream *ast = st->priv_data;
AVInputFormat *sub_demuxer;
AVRational time_base;
- ByteIOContext *pb;
+ AVIOContext *pb = avio_alloc_context( pkt->data + 7,
+ pkt->size - 7,
+ 0, NULL, NULL, NULL, NULL);
AVProbeData pd;
+ unsigned int desc_len = avio_rl32(pb);
- if (desc_len > FFMAX(pkt->size-17, 0))
- return 0;
+ if (desc_len > pb->buf_end - pb->buf_ptr)
+ goto error;
- end = ptr + desc_len;
- while (ptr < end-1) {
- uint8_t tmp;
- uint32_t ch;
- GET_UTF16(ch, ptr < end-1 ? bytestream_get_le16(&ptr) : 0, break;);
- PUT_UTF8(ch, tmp, if(d-desc < sizeof(desc)-1) *d++ = tmp;);
- }
- *d = 0;
+ ret = avio_get_str16le(pb, desc_len, desc, sizeof(desc));
+ avio_skip(pb, desc_len - ret);
if (*desc)
av_metadata_set2(&st->metadata, "title", desc, 0);
- ptr = end + 2;
- size = bytestream_get_le32(&ptr);
- size = FFMIN(size, pkt->size+pkt->data-ptr);
+ avio_rl16(pb); /* flags? */
+ avio_rl32(pb); /* data size */
- pd = (AVProbeData) { .buf = ptr, .buf_size = size };
+ pd = (AVProbeData) { .buf = pb->buf_ptr, .buf_size = pb->buf_end - pb->buf_ptr };
if (!(sub_demuxer = av_probe_input_format2(&pd, 1, &score)))
- return 0;
+ goto error;
- pb = av_alloc_put_byte(ptr, size, 0, NULL, NULL, NULL, NULL);
if (!av_open_input_stream(&ast->sub_ctx, pb, "", sub_demuxer, NULL)) {
av_read_packet(ast->sub_ctx, &ast->sub_pkt);
*st->codec = *ast->sub_ctx->streams[0]->codec;
ast->sub_buffer = pkt->data;
memset(pkt, 0, sizeof(*pkt));
return 1;
+error:
+ av_freep(&pb);
}
return 0;
}
static int avi_read_packet(AVFormatContext *s, AVPacket *pkt)
{
AVIContext *avi = s->priv_data;
- ByteIOContext *pb = s->pb;
+ AVIOContext *pb = s->pb;
int n, d[8];
unsigned int size;
int64_t i, sync;
if(i>=0){
int64_t pos= best_st->index_entries[i].pos;
pos += best_ast->packet_size - best_ast->remaining;
- url_fseek(s->pb, pos + 8, SEEK_SET);
+ avio_seek(s->pb, pos + 8, SEEK_SET);
// av_log(s, AV_LOG_DEBUG, "pos=%"PRId64"\n", pos);
assert(best_ast->remaining <= best_ast->packet_size);
if(size > ast->remaining)
size= ast->remaining;
- avi->last_pkt_pos= url_ftell(pb);
+ avi->last_pkt_pos= avio_tell(pb);
err= av_get_packet(pb, pkt, size);
if(err<0)
return err;
}
memset(d, -1, sizeof(int)*8);
- for(i=sync=url_ftell(pb); !url_feof(pb); i++) {
+ for(i=sync=avio_tell(pb); !url_feof(pb); i++) {
int j;
for(j=0; j<7; j++)
d[j]= d[j+1];
- d[7]= get_byte(pb);
+ d[7]= avio_r8(pb);
size= d[4] + (d[5]<<8) + (d[6]<<16) + (d[7]<<24);
//parse JUNK
||(d[0] == 'J' && d[1] == 'U' && d[2] == 'N' && d[3] == 'K')
||(d[0] == 'i' && d[1] == 'd' && d[2] == 'x' && d[3] == '1')){
- url_fskip(pb, size);
+ avio_skip(pb, size);
//av_log(s, AV_LOG_DEBUG, "SKIP\n");
goto resync;
}
//parse stray LIST
if(d[0] == 'L' && d[1] == 'I' && d[2] == 'S' && d[3] == 'T'){
- url_fskip(pb, 4);
+ avio_skip(pb, 4);
goto resync;
}
//detect ##ix chunk and skip
if(d[2] == 'i' && d[3] == 'x' && n < s->nb_streams){
- url_fskip(pb, size);
+ avio_skip(pb, size);
goto resync;
}
/*|| (st->discard >= AVDISCARD_NONKEY && !(pkt->flags & AV_PKT_FLAG_KEY))*/ //FIXME needs a little reordering
|| st->discard >= AVDISCARD_ALL){
ast->frame_offset += get_duration(ast, size);
- url_fskip(pb, size);
+ avio_skip(pb, size);
goto resync;
}
if (d[2] == 'p' && d[3] == 'c' && size<=4*256+4) {
- int k = get_byte(pb);
- int last = (k + get_byte(pb) - 1) & 0xFF;
+ int k = avio_r8(pb);
+ int last = (k + avio_r8(pb) - 1) & 0xFF;
- get_le16(pb); //flags
+ avio_rl16(pb); //flags
for (; k <= last; k++)
- ast->pal[k] = get_be32(pb)>>8;// b + (g << 8) + (r << 16);
+ ast->pal[k] = avio_rb32(pb)>>8;// b + (g << 8) + (r << 16);
ast->has_pal= 1;
goto resync;
} else if( ((ast->prefix_count<5 || sync+9 > i) && d[2]<128 && d[3]<128) ||
ast->remaining= size;
if(size || !ast->sample_size){
- uint64_t pos= url_ftell(pb) - 8;
+ uint64_t pos= avio_tell(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, size, 0, AVINDEX_KEYFRAME);
}
static int avi_read_idx1(AVFormatContext *s, int size)
{
AVIContext *avi = s->priv_data;
- ByteIOContext *pb = s->pb;
+ AVIOContext *pb = s->pb;
int nb_index_entries, i;
AVStream *st;
AVIStream *ast;
/* Read the entries and sort them in each stream component. */
for(i = 0; i < nb_index_entries; i++) {
- tag = get_le32(pb);
- flags = get_le32(pb);
- pos = get_le32(pb);
- len = get_le32(pb);
+ tag = avio_rl32(pb);
+ flags = avio_rl32(pb);
+ pos = avio_rl32(pb);
+ len = avio_rl32(pb);
#if defined(DEBUG_SEEK)
av_log(s, AV_LOG_DEBUG, "%d: tag=0x%x flags=0x%x pos=0x%x len=%d/",
i, tag, flags, pos, len);
int i;
int64_t last_start=0;
int64_t first_end= INT64_MAX;
- int64_t oldpos= url_ftell(s->pb);
+ int64_t oldpos= avio_tell(s->pb);
for(i=0; i<s->nb_streams; i++){
AVStream *st = s->streams[i];
if(n >= 2){
int64_t pos= st->index_entries[0].pos;
- url_fseek(s->pb, pos + 4, SEEK_SET);
- size= get_le32(s->pb);
+ avio_seek(s->pb, pos + 4, SEEK_SET);
+ size= avio_rl32(s->pb);
if(pos + size > st->index_entries[1].pos)
last_start= INT64_MAX;
}
if(st->index_entries[n-1].pos < first_end)
first_end= st->index_entries[n-1].pos;
}
- url_fseek(s->pb, oldpos, SEEK_SET);
+ avio_seek(s->pb, oldpos, SEEK_SET);
return last_start > first_end;
}
static int avi_load_index(AVFormatContext *s)
{
AVIContext *avi = s->priv_data;
- ByteIOContext *pb = s->pb;
+ AVIOContext *pb = s->pb;
uint32_t tag, size;
- int64_t pos= url_ftell(pb);
+ int64_t pos= avio_tell(pb);
int ret = -1;
- if (url_fseek(pb, avi->movi_end, SEEK_SET) < 0)
+ if (avio_seek(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);
for(;;) {
if (url_feof(pb))
break;
- tag = get_le32(pb);
- size = get_le32(pb);
+ tag = avio_rl32(pb);
+ size = avio_rl32(pb);
#ifdef DEBUG_SEEK
printf("tag=%c%c%c%c size=0x%x\n",
tag & 0xff,
default:
skip:
size += (size & 1);
- if (url_fseek(pb, size, SEEK_CUR) < 0)
+ if (avio_skip(pb, size) < 0)
goto the_end; // something is wrong here
break;
}
}
the_end:
- url_fseek(pb, pos, SEEK_SET);
+ avio_seek(pb, pos, SEEK_SET);
return ret;
}
/* DV demux so it can synthesize correct timestamps. */
dv_offset_reset(avi->dv_demux, timestamp);
- url_fseek(s->pb, pos, SEEK_SET);
+ avio_seek(s->pb, pos, SEEK_SET);
avi->stream_index= -1;
return 0;
}
}
/* do the seek */
- url_fseek(s->pb, pos, SEEK_SET);
+ avio_seek(s->pb, pos, SEEK_SET);
avi->stream_index= -1;
return 0;
}
}
}
- if (avi->dv_demux)
- av_free(avi->dv_demux);
+ av_free(avi->dv_demux);
return 0;
}
return 0;
}
-AVInputFormat avi_demuxer = {
+AVInputFormat ff_avi_demuxer = {
"avi",
NULL_IF_CONFIG_SMALL("AVI format"),
sizeof(AVIContext),
projects / ffmpeg / blobdiff