#include "libavutil/avstring.h"
#include "libavutil/intreadwrite.h"
#include "avformat.h"
+#include "riff.h"
#include "rm.h"
struct RMStream {
int audio_pkt_cnt; ///< Output packet counter
} RMDemuxContext;
+static const AVCodecTag rm_codec_tags[] = {
+ { CODEC_ID_RV10, MKTAG('R','V','1','0') },
+ { CODEC_ID_RV20, MKTAG('R','V','2','0') },
+ { CODEC_ID_RV20, MKTAG('R','V','T','R') },
+ { CODEC_ID_RV30, MKTAG('R','V','3','0') },
+ { CODEC_ID_RV40, MKTAG('R','V','4','0') },
+ { CODEC_ID_AC3, MKTAG('d','n','e','t') },
+ { CODEC_ID_RA_144, MKTAG('l','p','c','J') },
+ { CODEC_ID_RA_288, MKTAG('2','8','_','8') },
+ { CODEC_ID_COOK, MKTAG('c','o','o','k') },
+ { CODEC_ID_ATRAC3, MKTAG('a','t','r','c') },
+ { CODEC_ID_SIPR, MKTAG('s','i','p','r') },
+ { CODEC_ID_AAC, MKTAG('r','a','a','c') },
+ { CODEC_ID_AAC, MKTAG('r','a','c','p') },
+ { CODEC_ID_NONE },
+};
+
static const unsigned char sipr_swaps[38][2] = {
{ 0, 63 }, { 1, 22 }, { 2, 44 }, { 3, 90 },
{ 5, 81 }, { 7, 31 }, { 8, 86 }, { 9, 58 },
get_strl(pb, buf, buf_size, get_byte(pb));
}
+static int rm_read_extradata(ByteIOContext *pb, AVCodecContext *avctx, unsigned size)
+{
+ if (size >= 1<<24)
+ return -1;
+ avctx->extradata = av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
+ if (!avctx->extradata)
+ return AVERROR_NOMEM;
+ avctx->extradata_size = get_buffer(pb, avctx->extradata, size);
+ memset(avctx->extradata + avctx->extradata_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+ if (avctx->extradata_size != size)
+ return AVERROR(EIO);
+ return 0;
+}
+
static void rm_read_metadata(AVFormatContext *s, int wide)
{
char buf[1024];
{
char buf[256];
uint32_t version;
+ int ret;
/* ra type header */
- version = get_be32(pb); /* version */
- if (((version >> 16) & 0xff) == 3) {
+ version = get_be16(pb); /* version */
+ if (version == 3) {
+ int header_size = get_be16(pb);
int64_t startpos = url_ftell(pb);
url_fskip(pb, 14);
rm_read_metadata(s, 0);
- if ((startpos + (version & 0xffff)) >= url_ftell(pb) + 2) {
+ if ((startpos + header_size) >= url_ftell(pb) + 2) {
// fourcc (should always be "lpcJ")
get_byte(pb);
get_str8(pb, buf, sizeof(buf));
}
// Skip extra header crap (this should never happen)
- if ((startpos + (version & 0xffff)) > url_ftell(pb))
- url_fskip(pb, (version & 0xffff) + startpos - url_ftell(pb));
+ if ((startpos + header_size) > url_ftell(pb))
+ url_fskip(pb, header_size + startpos - url_ftell(pb));
st->codec->sample_rate = 8000;
st->codec->channels = 1;
st->codec->codec_type = CODEC_TYPE_AUDIO;
st->codec->codec_id = CODEC_ID_RA_144;
} else {
int flavor, sub_packet_h, coded_framesize, sub_packet_size;
+ int codecdata_length;
/* old version (4) */
+ url_fskip(pb, 2); /* unused */
get_be32(pb); /* .ra4 */
get_be32(pb); /* data size */
get_be16(pb); /* version2 */
st->codec->block_align= get_be16(pb); /* frame size */
ast->sub_packet_size = sub_packet_size = get_be16(pb); /* sub packet size */
get_be16(pb); /* ??? */
- if (((version >> 16) & 0xff) == 5) {
+ if (version == 5) {
get_be16(pb); get_be16(pb); get_be16(pb);
}
st->codec->sample_rate = get_be16(pb);
get_be32(pb);
st->codec->channels = get_be16(pb);
- if (((version >> 16) & 0xff) == 5) {
+ if (version == 5) {
get_be32(pb);
get_buffer(pb, buf, 4);
buf[4] = 0;
get_str8(pb, buf, sizeof(buf)); /* desc */
}
st->codec->codec_type = CODEC_TYPE_AUDIO;
- if (!strcmp(buf, "dnet")) {
- st->codec->codec_id = CODEC_ID_AC3;
+ st->codec->codec_tag = AV_RL32(buf);
+ st->codec->codec_id = ff_codec_get_id(rm_codec_tags, st->codec->codec_tag);
+ switch (st->codec->codec_id) {
+ case CODEC_ID_AC3:
st->need_parsing = AVSTREAM_PARSE_FULL;
- } else if (!strcmp(buf, "28_8")) {
- st->codec->codec_id = CODEC_ID_RA_288;
+ break;
+ case CODEC_ID_RA_288:
st->codec->extradata_size= 0;
ast->audio_framesize = st->codec->block_align;
st->codec->block_align = coded_framesize;
}
av_new_packet(&ast->pkt, ast->audio_framesize * sub_packet_h);
- } else if ((!strcmp(buf, "cook")) || (!strcmp(buf, "atrc")) || (!strcmp(buf, "sipr"))) {
- int codecdata_length;
+ break;
+ case CODEC_ID_COOK:
+ case CODEC_ID_ATRAC3:
+ case CODEC_ID_SIPR:
get_be16(pb); get_byte(pb);
- if (((version >> 16) & 0xff) == 5)
+ if (version == 5)
get_byte(pb);
codecdata_length = get_be32(pb);
if(codecdata_length + FF_INPUT_BUFFER_PADDING_SIZE <= (unsigned)codecdata_length){
}
st->codec->block_align = ast->sub_packet_size;
}
- st->codec->extradata_size= codecdata_length;
- st->codec->extradata= av_mallocz(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
- get_buffer(pb, st->codec->extradata, st->codec->extradata_size);
+ if ((ret = rm_read_extradata(pb, st->codec, codecdata_length)) < 0)
+ return ret;
if(ast->audio_framesize >= UINT_MAX / sub_packet_h){
av_log(s, AV_LOG_ERROR, "rm->audio_framesize * sub_packet_h too large\n");
}
av_new_packet(&ast->pkt, ast->audio_framesize * sub_packet_h);
- } else if (!strcmp(buf, "raac") || !strcmp(buf, "racp")) {
- int codecdata_length;
+ break;
+ case CODEC_ID_AAC:
get_be16(pb); get_byte(pb);
- if (((version >> 16) & 0xff) == 5)
+ if (version == 5)
get_byte(pb);
st->codec->codec_id = CODEC_ID_AAC;
codecdata_length = get_be32(pb);
return -1;
}
if (codecdata_length >= 1) {
- st->codec->extradata_size = codecdata_length - 1;
- st->codec->extradata = av_mallocz(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
get_byte(pb);
- get_buffer(pb, st->codec->extradata, st->codec->extradata_size);
+ if ((ret = rm_read_extradata(pb, st->codec, codecdata_length - 1)) < 0)
+ return ret;
}
- } else {
- st->codec->codec_id = CODEC_ID_NONE;
+ break;
+ default:
av_strlcpy(st->codec->codec_name, buf, sizeof(st->codec->codec_name));
}
if (read_all) {
unsigned int v;
int size;
int64_t codec_pos;
+ int ret;
av_set_pts_info(st, 64, 1, 1000);
codec_pos = url_ftell(pb);
goto skip;
}
st->codec->codec_tag = get_le32(pb);
+ st->codec->codec_id = ff_codec_get_id(rm_codec_tags, st->codec->codec_tag);
// av_log(s, AV_LOG_DEBUG, "%X %X\n", st->codec->codec_tag, MKTAG('R', 'V', '2', '0'));
- if ( st->codec->codec_tag != MKTAG('R', 'V', '1', '0')
- && st->codec->codec_tag != MKTAG('R', 'V', '2', '0')
- && st->codec->codec_tag != MKTAG('R', 'V', '3', '0')
- && st->codec->codec_tag != MKTAG('R', 'V', '4', '0')
- && st->codec->codec_tag != MKTAG('R', 'V', 'T', 'R'))
+ if (st->codec->codec_id == CODEC_ID_NONE)
goto fail1;
st->codec->width = get_be16(pb);
st->codec->height = get_be16(pb);
fps2= get_be16(pb);
get_be16(pb);
- st->codec->extradata_size= codec_data_size - (url_ftell(pb) - codec_pos);
-
- if(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE <= (unsigned)st->codec->extradata_size){
- //check is redundant as get_buffer() will catch this
- av_log(s, AV_LOG_ERROR, "st->codec->extradata_size too large\n");
- return -1;
- }
- st->codec->extradata= av_mallocz(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
- if (!st->codec->extradata)
- return AVERROR(ENOMEM);
- get_buffer(pb, st->codec->extradata, st->codec->extradata_size);
+ if ((ret = rm_read_extradata(pb, st->codec, codec_data_size - (url_ftell(pb) - codec_pos))) < 0)
+ return ret;
// av_log(s, AV_LOG_DEBUG, "fps= %d fps2= %d\n", fps, fps2);
st->codec->time_base.den = fps * st->codec->time_base.num;
- switch(((uint8_t*)st->codec->extradata)[4]>>4){
+ //XXX: do we really need that?
+ switch(st->codec->extradata[4]>>4){
case 1: st->codec->codec_id = CODEC_ID_RV10; break;
case 2: st->codec->codec_id = CODEC_ID_RV20; break;
case 3: st->codec->codec_id = CODEC_ID_RV30; break;
case 4: st->codec->codec_id = CODEC_ID_RV40; break;
- default: goto fail1;
+ default:
+ av_log(st->codec, AV_LOG_ERROR, "extra:%02X %02X %02X %02X %02X\n", st->codec->extradata[0], st->codec->extradata[1], st->codec->extradata[2], st->codec->extradata[3], st->codec->extradata[4]);
+ goto fail1;
}
}
static int sync(AVFormatContext *s, int64_t *timestamp, int *flags, int *stream_index, int64_t *pos){
RMDemuxContext *rm = s->priv_data;
ByteIOContext *pb = s->pb;
- int len, num, res, i;
AVStream *st;
uint32_t state=0xFFFFFFFF;
while(!url_feof(pb)){
+ int len, num, res, i;
*pos= url_ftell(pb) - 3;
if(rm->remaining_len > 0){
num= rm->current_stream;
pkt->size = vst->videobufpos + 8*(vst->cur_slice - vst->slices);
pkt->pts = AV_NOPTS_VALUE;
pkt->pos = vst->pktpos;
+ vst->slices = 0;
return 0;
}
int
ff_rm_parse_packet (AVFormatContext *s, ByteIOContext *pb,
AVStream *st, RMStream *ast, int len, AVPacket *pkt,
- int *seq, int *flags, int64_t *timestamp)
+ int *seq, int flags, int64_t timestamp)
{
RMDemuxContext *rm = s->priv_data;
int y = ast->sub_packet_cnt;
int w = ast->audio_framesize;
- if (*flags & 2)
+ if (flags & 2)
y = ast->sub_packet_cnt = 0;
if (!y)
- ast->audiotimestamp = *timestamp;
+ ast->audiotimestamp = timestamp;
switch(st->codec->codec_id) {
case CODEC_ID_RA_288:
for (x = 0; x < ast->sub_packet_cnt; x++)
ast->sub_packet_lengths[x] = get_be16(pb);
rm->audio_pkt_cnt = ast->sub_packet_cnt;
- ast->audiotimestamp = *timestamp;
+ ast->audiotimestamp = timestamp;
} else
return -1;
} else {
int seq= 128*(pkt->data[2]&0x7F) + (pkt->data[3]>>1);
av_log(s, AV_LOG_DEBUG, "%d %"PRId64" %d\n", *timestamp, *timestamp*512LL/25, seq);
- seq |= (*timestamp&~0x3FFF);
- if(seq - *timestamp > 0x2000) seq -= 0x4000;
- if(seq - *timestamp < -0x2000) seq += 0x4000;
+ seq |= (timestamp&~0x3FFF);
+ if(seq - timestamp > 0x2000) seq -= 0x4000;
+ if(seq - timestamp < -0x2000) seq += 0x4000;
}
}
#endif
- pkt->pts= *timestamp;
- if (*flags & 2)
+ pkt->pts= timestamp;
+ if (flags & 2)
pkt->flags |= PKT_FLAG_KEY;
return st->codec->codec_type == CODEC_TYPE_AUDIO ? rm->audio_pkt_cnt : 0;
AVStream *st;
int i, len, res, seq = 1;
int64_t timestamp, pos;
- int old_flags, flags;
+ int flags;
for (;;) {
if (rm->audio_pkt_cnt) {
if(len<0 || url_feof(s->pb))
return AVERROR(EIO);
- old_flags = flags;
res = ff_rm_parse_packet (s, s->pb, st, st->priv_data, len, pkt,
- &seq, &flags, ×tamp);
- if((old_flags&2) && (seq&0x7F) == 1)
+ &seq, flags, timestamp);
+ if((flags&2) && (seq&0x7F) == 1)
av_add_index_entry(st, pos, timestamp, 0, 0, AVINDEX_KEYFRAME);
if (res)
continue;
projects / ffmpeg / blobdiff