/*
* ASF compatible demuxer
- * Copyright (c) 2000, 2001 Fabrice Bellard.
+ * Copyright (c) 2000, 2001 Fabrice Bellard
*
* This file is part of FFmpeg.
*
#include "asf.h"
#include "asfcrypt.h"
-extern void ff_mms_set_stream_selection(URLContext *h, AVFormatContext *format);
+void ff_mms_set_stream_selection(URLContext *h, AVFormatContext *format);
#undef NDEBUG
#include <assert.h>
#ifdef DEBUG
#define PRINT_IF_GUID(g,cmp) \
if (!memcmp(g, &cmp, sizeof(GUID))) \
- printf("(GUID: %s) ", #cmp)
+ dprintf(NULL, "(GUID: %s) ", #cmp)
static void print_guid(const GUID *g)
{
else PRINT_IF_GUID(g, metadata_header);
else PRINT_IF_GUID(g, stream_bitrate_guid);
else
- printf("(GUID: unknown) ");
+ dprintf(NULL, "(GUID: unknown) ");
for(i=0;i<16;i++)
- printf(" 0x%02x,", (*g)[i]);
- printf("}\n");
+ dprintf(NULL, " 0x%02x,", (*g)[i]);
+ dprintf(NULL, "}\n");
}
#undef PRINT_IF_GUID
+#else
+#define print_guid(g)
#endif
static void get_guid(ByteIOContext *s, GUID *g)
}
}
+static void get_tag(AVFormatContext *s, const char *key, int type, int len)
+{
+ char value[1024];
+ if (type <= 1) { // unicode or byte
+ get_str16_nolen(s->pb, len, value, sizeof(value));
+ } else if (type <= 5) { // boolean or DWORD or QWORD or WORD
+ uint64_t num = get_value(s->pb, type);
+ snprintf(value, sizeof(value), "%"PRIu64, num);
+ } else {
+ url_fskip(s->pb, len);
+ return;
+ }
+ if (strncmp(key, "WM/", 3))
+ key += 3;
+ av_metadata_set(&s->metadata, key, value);
+}
+
static int asf_read_header(AVFormatContext *s, AVFormatParameters *ap)
{
ASFContext *asf = s->priv_data;
for(;;) {
get_guid(pb, &g);
gsize = get_le64(pb);
-#ifdef DEBUG
- printf("%08"PRIx64": ", url_ftell(pb) - 24);
+ dprintf(s, "%08"PRIx64": ", url_ftell(pb) - 24);
print_guid(&g);
- printf(" size=0x%"PRIx64"\n", gsize);
-#endif
+ dprintf(s, " size=0x%"PRIx64"\n", gsize);
if (!memcmp(&g, &data_header, sizeof(GUID))) {
asf->data_object_offset = url_ftell(pb);
// if not streaming, gsize is not unlimited (how?), and there is enough space in the file..
asf->hdr.max_bitrate = get_le32(pb);
asf->packet_size = asf->hdr.max_pktsize;
} else if (!memcmp(&g, &stream_header, sizeof(GUID))) {
- int type, type_specific_size, sizeX;
+ enum CodecType type;
+ int type_specific_size, sizeX;
uint64_t total_size;
unsigned int tag1;
int64_t pos1, pos2, start_time;
} else if (!memcmp(&g, &video_stream, sizeof(GUID))) {
type = CODEC_TYPE_VIDEO;
} else if (!memcmp(&g, &command_stream, sizeof(GUID))) {
- type = CODEC_TYPE_UNKNOWN;
+ type = CODEC_TYPE_DATA;
} else if (!memcmp(&g, &ext_stream_embed_stream_header, sizeof(GUID))) {
test_for_ext_stream_audio = 1;
type = CODEC_TYPE_UNKNOWN;
if (is_dvr_ms_audio) {
// codec_id and codec_tag are unreliable in dvr_ms
// files. Set them later by probing stream.
- st->codec->codec_id = CODEC_ID_NONE;
+ st->codec->codec_id = CODEC_ID_PROBE;
st->codec->codec_tag = 0;
}
- st->need_parsing = AVSTREAM_PARSE_FULL;
+ if (st->codec->codec_id == CODEC_ID_AAC) {
+ st->need_parsing = AVSTREAM_PARSE_NONE;
+ } else {
+ st->need_parsing = AVSTREAM_PARSE_FULL;
+ }
/* We have to init the frame size at some point .... */
pos2 = url_ftell(pb);
if (gsize >= (pos2 + 8 - pos1 + 24)) {
st->codec->height = get_le32(pb);
/* not available for asf */
get_le16(pb); /* panes */
- st->codec->bits_per_sample = get_le16(pb); /* depth */
+ st->codec->bits_per_coded_sample = get_le16(pb); /* depth */
tag1 = get_le32(pb);
url_fskip(pb, 20);
-// av_log(NULL, AV_LOG_DEBUG, "size:%d tsize:%d sizeX:%d\n", size, total_size, sizeX);
+// av_log(s, AV_LOG_DEBUG, "size:%d tsize:%d sizeX:%d\n", size, total_size, sizeX);
size= sizeX;
if (size > 40) {
st->codec->extradata_size = size - 40;
/* Extract palette from extradata if bpp <= 8 */
/* This code assumes that extradata contains only palette */
/* This is true for all paletted codecs implemented in ffmpeg */
- if (st->codec->extradata_size && (st->codec->bits_per_sample <= 8)) {
+ if (st->codec->extradata_size && (st->codec->bits_per_coded_sample <= 8)) {
st->codec->palctrl = av_mallocz(sizeof(AVPaletteControl));
#ifdef WORDS_BIGENDIAN
for (i = 0; i < FFMIN(st->codec->extradata_size, AVPALETTE_SIZE)/4; i++)
len3 = get_le16(pb);
len4 = get_le16(pb);
len5 = get_le16(pb);
- get_str16_nolen(pb, len1, s->title , sizeof(s->title));
- get_str16_nolen(pb, len2, s->author , sizeof(s->author));
- get_str16_nolen(pb, len3, s->copyright, sizeof(s->copyright));
- get_str16_nolen(pb, len4, s->comment , sizeof(s->comment));
+ get_tag(s, "title" , 0, len1);
+ get_tag(s, "author" , 0, len2);
+ get_tag(s, "copyright", 0, len3);
+ get_tag(s, "comment" , 0, len4);
url_fskip(pb, len5);
} else if (!memcmp(&g, &stream_bitrate_guid, sizeof(GUID))) {
int stream_count = get_le16(pb);
int j;
-// av_log(NULL, AV_LOG_ERROR, "stream bitrate properties\n");
-// av_log(NULL, AV_LOG_ERROR, "streams %d\n", streams);
+// av_log(s, AV_LOG_ERROR, "stream bitrate properties\n");
+// av_log(s, AV_LOG_ERROR, "streams %d\n", streams);
for(j = 0; j < stream_count; j++) {
int flags, bitrate, stream_id;
flags= get_le16(pb);
bitrate= get_le32(pb);
stream_id= (flags & 0x7f);
-// av_log(NULL, AV_LOG_ERROR, "flags: 0x%x stream id %d, bitrate %d\n", flags, stream_id, bitrate);
+// av_log(s, AV_LOG_ERROR, "flags: 0x%x stream id %d, bitrate %d\n", flags, stream_id, bitrate);
asf->stream_bitrates[stream_id]= bitrate;
}
} else if (!memcmp(&g, &extended_content_header, sizeof(GUID))) {
for(i=0;i<desc_count;i++)
{
int name_len,value_type,value_len;
- uint64_t value_num = 0;
char name[1024];
name_len = get_le16(pb);
get_str16_nolen(pb, name_len, name, sizeof(name));
value_type = get_le16(pb);
value_len = get_le16(pb);
- if (value_type <= 1) // unicode or byte
- {
- if (!strcmp(name,"WM/AlbumTitle")) get_str16_nolen(pb, value_len, s->album, sizeof(s->album));
- else if(!strcmp(name,"WM/Genre" )) get_str16_nolen(pb, value_len, s->genre, sizeof(s->genre));
- else if(!strcmp(name,"WM/Year" )) {
- char year[8];
- get_str16_nolen(pb, value_len, year, sizeof(year));
- s->year = atoi(year);
- }
- else if(!strcmp(name,"WM/Track") && s->track == 0) {
- char track[8];
- get_str16_nolen(pb, value_len, track, sizeof(track));
- s->track = strtol(track, NULL, 10) + 1;
- }
- else if(!strcmp(name,"WM/TrackNumber")) {
- char track[8];
- get_str16_nolen(pb, value_len, track, sizeof(track));
- s->track = strtol(track, NULL, 10);
- }
- else url_fskip(pb, value_len);
- }
- else if (value_type <= 5) // boolean or DWORD or QWORD or WORD
- {
- value_num= get_value(pb, value_type);
- if (!strcmp(name,"WM/Track" ) && s->track == 0) s->track = value_num + 1;
- if (!strcmp(name,"WM/TrackNumber")) s->track = value_num;
- }else
- url_fskip(pb, value_len);
+ get_tag(s, name, value_type, value_len);
}
} else if (!memcmp(&g, &metadata_header, sizeof(GUID))) {
int n, stream_num, name_len, value_len, value_type, value_num;
value_len= get_le32(pb);
get_str16_nolen(pb, name_len, name, sizeof(name));
-//av_log(NULL, AV_LOG_ERROR, "%d %d %d %d %d <%s>\n", i, stream_num, name_len, value_type, value_len, name);
+//av_log(s, AV_LOG_ERROR, "%d %d %d %d %d <%s>\n", i, stream_num, name_len, value_type, value_len, name);
value_num= get_le16(pb);//we should use get_value() here but it does not work 2 is le16 here but le32 elsewhere
url_fskip(pb, value_len - 2);
for(i=0; i<128; i++){
int stream_num= asf->asfid2avid[i];
if(stream_num>=0){
- AVCodecContext *codec= s->streams[stream_num]->codec;
- if (!codec->bit_rate)
- codec->bit_rate = bitrate[i];
+ AVStream *st = s->streams[stream_num];
+ if (!st->codec->bit_rate)
+ st->codec->bit_rate = bitrate[i];
if (dar[i].num > 0 && dar[i].den > 0)
- av_reduce(&codec->sample_aspect_ratio.num,
- &codec->sample_aspect_ratio.den,
+ av_reduce(&st->sample_aspect_ratio.num,
+ &st->sample_aspect_ratio.den,
dar[i].num, dar[i].den, INT_MAX);
-//av_log(NULL, AV_LOG_ERROR, "dar %d:%d sar=%d:%d\n", dar[i].num, dar[i].den, codec->sample_aspect_ratio.num, codec->sample_aspect_ratio.den);
+//av_log(s, AV_LOG_ERROR, "dar %d:%d sar=%d:%d\n", dar[i].num, dar[i].den, st->sample_aspect_ratio.num, st->sample_aspect_ratio.den);
}
}
default: var = defval; break; \
}
-/**
- *
- * @return <0 in case of an error
- */
-static int asf_get_packet(AVFormatContext *s)
+int ff_asf_get_packet(AVFormatContext *s, ByteIOContext *pb)
{
ASFContext *asf = s->priv_data;
- ByteIOContext *pb = s->pb;
uint32_t packet_length, padsize;
int rsize = 8;
int c, d, e, off;
- off= (url_ftell(s->pb) - s->data_offset) % asf->packet_size + 3;
+ off= (url_ftell(pb) - s->data_offset) % asf->packet_size + 3;
c=d=e=-1;
while(off-- > 0){
if (packet_length < asf->hdr.min_pktsize)
padsize += asf->hdr.min_pktsize - packet_length;
asf->packet_padsize = padsize;
-#ifdef DEBUG
- printf("packet: size=%d padsize=%d left=%d\n", asf->packet_size, asf->packet_padsize, asf->packet_size_left);
-#endif
+ dprintf(s, "packet: size=%d padsize=%d left=%d\n", asf->packet_size, asf->packet_padsize, asf->packet_size_left);
return 0;
}
*
* @return <0 if error
*/
-static int asf_read_frame_header(AVFormatContext *s){
+static int asf_read_frame_header(AVFormatContext *s, ByteIOContext *pb){
ASFContext *asf = s->priv_data;
- ByteIOContext *pb = s->pb;
int rsize = 1;
int num = get_byte(pb);
int64_t ts0, ts1;
return 0;
}
-static int asf_read_packet(AVFormatContext *s, AVPacket *pkt)
+int ff_asf_parse_packet(AVFormatContext *s, ByteIOContext *pb, AVPacket *pkt)
{
ASFContext *asf = s->priv_data;
ASFStream *asf_st = 0;
- ByteIOContext *pb = s->pb;
- //static int pc = 0;
for (;;) {
if(url_feof(pb))
return AVERROR(EIO);
/* fail safe */
url_fskip(pb, ret);
- asf->packet_pos= url_ftell(s->pb);
+ asf->packet_pos= url_ftell(pb);
if (asf->data_object_size != (uint64_t)-1 &&
(asf->packet_pos - asf->data_object_offset >= asf->data_object_size))
return AVERROR(EIO); /* Do not exceed the size of the data object */
- ret = asf_get_packet(s);
- //printf("READ ASF PACKET %d r:%d c:%d\n", ret, asf->packet_size_left, pc++);
- if (ret < 0)
- assert(asf->packet_size_left < FRAME_HEADER_SIZE || asf->packet_segments < 1);
- asf->packet_time_start = 0;
- continue;
+ return 1;
}
if (asf->packet_time_start == 0) {
- if(asf_read_frame_header(s) < 0){
+ if(asf_read_frame_header(s, pb) < 0){
asf->packet_segments= 0;
continue;
}
/* new packet */
av_new_packet(&asf_st->pkt, asf->packet_obj_size);
asf_st->seq = asf->packet_seq;
- asf_st->pkt.pts = asf->packet_frag_timestamp;
+ asf_st->pkt.dts = asf->packet_frag_timestamp;
asf_st->pkt.stream_index = asf->stream_index;
asf_st->pkt.pos =
asf_st->packet_pos= asf->packet_pos;
return 0;
}
+static int asf_read_packet(AVFormatContext *s, AVPacket *pkt)
+{
+ ASFContext *asf = s->priv_data;
+
+ for (;;) {
+ int ret;
+
+ /* parse cached packets, if any */
+ if ((ret = ff_asf_parse_packet(s, s->pb, pkt)) <= 0)
+ return ret;
+ if ((ret = ff_asf_get_packet(s, s->pb)) < 0)
+ assert(asf->packet_size_left < FRAME_HEADER_SIZE || asf->packet_segments < 1);
+ asf->packet_time_start = 0;
+ }
+
+ return 0;
+}
+
// Added to support seeking after packets have been read
// If information is not reset, read_packet fails due to
// leftover information from previous reads
itime=get_le64(s->pb);
pct=get_le32(s->pb);
ict=get_le32(s->pb);
- av_log(NULL, AV_LOG_DEBUG, "itime:0x%"PRIx64", pct:%d, ict:%d\n",itime,pct,ict);
+ av_log(s, AV_LOG_DEBUG, "itime:0x%"PRIx64", pct:%d, ict:%d\n",itime,pct,ict);
for (i=0;i<ict;i++){
int pktnum=get_le32(s->pb);
int pktct =get_le16(s->pb);
- av_log(NULL, AV_LOG_DEBUG, "pktnum:%d, pktct:%d\n", pktnum, pktct);
+ av_log(s, AV_LOG_DEBUG, "pktnum:%d, pktct:%d\n", pktnum, pktct);
pos=s->data_offset + asf->packet_size*(int64_t)pktnum;
index_pts=av_rescale(itime, i, 10000);
// }
/* do the seek */
- av_log(NULL, AV_LOG_DEBUG, "SEEKTO: %"PRId64"\n", pos);
+ av_log(s, AV_LOG_DEBUG, "SEEKTO: %"PRId64"\n", pos);
url_fseek(s->pb, pos, SEEK_SET);
}
asf_reset_header(s);
projects / ffmpeg / blobdiff