typedef struct PESContext PESContext;
-static PESContext* add_pes_stream(MpegTSContext *ts, int pid, int stream_type);
+static PESContext* add_pes_stream(MpegTSContext *ts, int pid, int pcr_pid, int stream_type);
static AVStream* new_pes_av_stream(PESContext *pes, uint32_t code);
enum MpegTSFilterType {
MPEGTS_SECTION,
};
-typedef void PESCallback(void *opaque, const uint8_t *buf, int len, int is_start);
+typedef struct MpegTSFilter MpegTSFilter;
+
+typedef void PESCallback(MpegTSFilter *f, const uint8_t *buf, int len, int is_start);
typedef struct MpegTSPESFilter {
PESCallback *pes_cb;
void *opaque;
} MpegTSPESFilter;
-typedef void SectionCallback(void *opaque, const uint8_t *buf, int len);
+typedef void SectionCallback(MpegTSFilter *f, const uint8_t *buf, int len);
typedef void SetServiceCallback(void *opaque, int ret);
void *opaque;
} MpegTSSectionFilter;
-typedef struct MpegTSFilter {
+struct MpegTSFilter {
int pid;
int last_cc; /* last cc code (-1 if first packet) */
enum MpegTSFilterType type;
MpegTSPESFilter pes_filter;
MpegTSSectionFilter section_filter;
} u;
-} MpegTSFilter;
+};
typedef struct MpegTSService {
int running:1;
int64_t cur_pcr; /**< used to estimate the exact PCR */
int pcr_incr; /**< used to estimate the exact PCR */
- int pcr_pid; /**< used to estimate the exact PCR */
/* data needed to handle file based ts */
/** stop parsing loop */
struct PESContext {
int pid;
+ int pcr_pid; /**< if -1 then all packets containing PCR are considered */
int stream_type;
MpegTSContext *ts;
AVFormatContext *stream;
/* compute section length if possible */
if (tss->section_h_size == -1 && tss->section_index >= 3) {
- len = (((tss->section_buf[1] & 0xf) << 8) | tss->section_buf[2]) + 3;
+ len = (AV_RB16(tss->section_buf + 1) & 0xfff) + 3;
if (len > 4096)
return;
tss->section_h_size = len;
p = *pp;
if ((p + 1) >= p_end)
return -1;
- c = (p[0] << 8) | p[1];
+ c = AV_RB16(p);
p += 2;
*pp = p;
return c;
pcr_pid = get16(&p, p_end) & 0x1fff;
if (pcr_pid < 0)
return;
- ts->pcr_pid = pcr_pid;
#ifdef DEBUG_SI
av_log(ts->stream, AV_LOG_DEBUG, "pcr_pid=0x%x\n", pcr_pid);
#endif
case STREAM_TYPE_AUDIO_DTS:
case STREAM_TYPE_SUBTITLE_DVB:
if(ts->pids[pid]){
- assert(ts->pids[pid].type == MPEGTS_PES);
+ assert(ts->pids[pid]->type == MPEGTS_PES);
pes= ts->pids[pid]->u.pes_filter.opaque;
st= pes->st;
}else{
- pes = add_pes_stream(ts, pid, stream_type);
+ pes = add_pes_stream(ts, pid, pcr_pid, stream_type);
if (pes)
st = new_pes_av_stream(pes, 0);
}
if (st) {
if (language[0] != 0) {
- st->language[0] = language[0];
- st->language[1] = language[1];
- st->language[2] = language[2];
- st->language[3] = language[3];
+ memcpy(st->language, language, 4);
}
if (stream_type == STREAM_TYPE_SUBTITLE_DVB) {
static int64_t get_pts(const uint8_t *p)
{
- int64_t pts;
- int val;
-
- pts = (int64_t)((p[0] >> 1) & 0x07) << 30;
- val = (p[1] << 8) | p[2];
- pts |= (int64_t)(val >> 1) << 15;
- val = (p[3] << 8) | p[4];
- pts |= (int64_t)(val >> 1);
+ int64_t pts = (int64_t)((p[0] >> 1) & 0x07) << 30;
+ pts |= (AV_RB16(p + 1) >> 1) << 15;
+ pts |= AV_RB16(p + 3) >> 1;
return pts;
}
new_pes_av_stream(pes, code);
}
pes->state = MPEGTS_PESHEADER_FILL;
- pes->total_size = (pes->header[4] << 8) | pes->header[5];
+ pes->total_size = AV_RB16(pes->header + 4);
/* NOTE: a zero total size means the PES size is
unbounded */
if (pes->total_size)
}
-static PESContext *add_pes_stream(MpegTSContext *ts, int pid, int stream_type)
+static PESContext *add_pes_stream(MpegTSContext *ts, int pid, int pcr_pid, int stream_type)
{
MpegTSFilter *tss;
PESContext *pes;
pes->ts = ts;
pes->stream = ts->stream;
pes->pid = pid;
+ pes->pcr_pid = pcr_pid;
pes->stream_type = stream_type;
tss = mpegts_open_pes_filter(ts, pid, mpegts_push_data, pes);
if (!tss) {
int len, pid, cc, cc_ok, afc, is_start;
const uint8_t *p, *p_end;
- pid = ((packet[1] & 0x1f) << 8) | packet[2];
+ pid = AV_RB16(packet + 1) & 0x1fff;
is_start = packet[1] & 0x40;
tss = ts->pids[pid];
if (ts->auto_guess && tss == NULL && is_start) {
- add_pes_stream(ts, pid, 0);
+ add_pes_stream(ts, pid, -1, 0);
tss = ts->pids[pid];
}
if (!tss)
return -1;
if (len < 6)
return -1;
- v = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
+ v = AV_RB32(p);
*ppcr_high = ((int64_t)v << 1) | (p[4] >> 7);
*ppcr_low = ((p[4] & 1) << 8) | p[5];
return 0;
ret = read_packet(&s->pb, packet, ts->raw_packet_size);
if (ret < 0)
return -1;
- pid = ((packet[1] & 0x1f) << 8) | packet[2];
+ pid = AV_RB16(packet + 1) & 0x1fff;
if ((pcr_pid == -1 || pcr_pid == pid) &&
parse_pcr(&pcr_h, &pcr_l, packet) == 0) {
pcr_pid = pid;
}
nb_packets++;
}
- ts->pcr_pid = pcr_pid;
/* NOTE1: the bitrate is computed without the FEC */
/* NOTE2: it is only the bitrate of the start of the stream */
MpegTSContext *ts = s->priv_data;
int64_t pos, timestamp;
uint8_t buf[TS_PACKET_SIZE];
- int pcr_l, pid;
+ int pcr_l, pcr_pid = ((PESContext*)s->streams[stream_index]->priv_data)->pcr_pid;
const int find_next= 1;
pos = ((*ppos + ts->raw_packet_size - 1) / ts->raw_packet_size) * ts->raw_packet_size;
if (find_next) {
url_fseek(&s->pb, pos, SEEK_SET);
if (get_buffer(&s->pb, buf, TS_PACKET_SIZE) != TS_PACKET_SIZE)
return AV_NOPTS_VALUE;
- pid = ((buf[1] & 0x1f) << 8) | buf[2];
- if (pid == ts->pcr_pid &&
+ if ((pcr_pid < 0 || (AV_RB16(buf + 1) & 0x1fff) == pcr_pid) &&
parse_pcr(×tamp, &pcr_l, buf) == 0) {
break;
}
url_fseek(&s->pb, pos, SEEK_SET);
if (get_buffer(&s->pb, buf, TS_PACKET_SIZE) != TS_PACKET_SIZE)
return AV_NOPTS_VALUE;
- pid = ((buf[1] & 0x1f) << 8) | buf[2];
- if (pid == ts->pcr_pid &&
+ if ((pcr_pid < 0 || (AV_RB16(buf + 1) & 0x1fff) == pcr_pid) &&
parse_pcr(×tamp, &pcr_l, buf) == 0) {
break;
}
url_fseek(&s->pb, pos, SEEK_SET);
if (get_buffer(&s->pb, buf, TS_PACKET_SIZE) != TS_PACKET_SIZE)
return -1;
-// pid = ((buf[1] & 0x1f) << 8) | buf[2];
+// pid = AV_RB16(buf + 1) & 0x1fff;
if(buf[1] & 0x40) break;
pos += ts->raw_packet_size;
}