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-rw-r--r--libavformat/ffm.c11
-rw-r--r--libavformat/mp3.c2
-rw-r--r--libavformat/mpegts.c29
-rw-r--r--libavformat/oggparsetheora.c5
-rw-r--r--libavformat/rtp.c2
-rw-r--r--libavformat/rtsp.c4
6 files changed, 20 insertions, 33 deletions
diff --git a/libavformat/ffm.c b/libavformat/ffm.c
index 22cdaf3091..53eb2b29dc 100644
--- a/libavformat/ffm.c
+++ b/libavformat/ffm.c
@@ -601,12 +601,12 @@ static int ffm_read_packet(AVFormatContext *s, AVPacket *pkt)
ffm->read_state = READ_DATA;
/* fall thru */
case READ_DATA:
- size = (ffm->header[2] << 16) | (ffm->header[3] << 8) | ffm->header[4];
+ size = AV_RB24(ffm->header + 2);
if (!ffm_is_avail_data(s, size)) {
return AVERROR(EAGAIN);
}
- duration = (ffm->header[5] << 16) | (ffm->header[6] << 8) | ffm->header[7];
+ duration = AV_RB24(ffm->header + 5);
av_new_packet(pkt, size);
pkt->stream_index = ffm->header[0];
@@ -714,15 +714,10 @@ static int ffm_seek(AVFormatContext *s, int stream_index, int64_t wanted_pts, in
offset_t ffm_read_write_index(int fd)
{
uint8_t buf[8];
- offset_t pos;
- int i;
lseek(fd, 8, SEEK_SET);
read(fd, buf, 8);
- pos = 0;
- for(i=0;i<8;i++)
- pos |= (int64_t)buf[i] << (56 - i * 8);
- return pos;
+ return AV_RB64(buf);
}
void ffm_write_write_index(int fd, offset_t pos)
diff --git a/libavformat/mp3.c b/libavformat/mp3.c
index 4a03c00fa4..04e8bcf420 100644
--- a/libavformat/mp3.c
+++ b/libavformat/mp3.c
@@ -407,7 +407,7 @@ static int mp3_read_probe(AVProbeData *p)
buf2 = buf;
for(frames = 0; buf2 < end; frames++) {
- header = (buf2[0] << 24) | (buf2[1] << 16) | (buf2[2] << 8) | buf2[3];
+ header = AV_RB32(buf2);
fsize = ff_mpa_decode_header(&avctx, header, &sample_rate);
if(fsize < 0)
break;
diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c
index 988baf9e4b..91958e8abf 100644
--- a/libavformat/mpegts.c
+++ b/libavformat/mpegts.c
@@ -170,7 +170,7 @@ static void write_section_data(AVFormatContext *s, MpegTSFilter *tss1,
/* 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;
@@ -324,7 +324,7 @@ static inline int get16(const uint8_t **pp, const uint8_t *p_end)
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;
@@ -694,14 +694,9 @@ static void mpegts_scan_sdt(MpegTSContext *ts)
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;
}
@@ -751,7 +746,7 @@ static void mpegts_push_data(MpegTSFilter *filter,
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)
@@ -928,7 +923,7 @@ static void handle_packet(MpegTSContext *ts, const uint8_t *packet)
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) {
@@ -1111,7 +1106,7 @@ static int parse_pcr(int64_t *ppcr_high, int *ppcr_low,
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;
@@ -1187,7 +1182,7 @@ static int mpegts_read_header(AVFormatContext *s,
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;
@@ -1305,7 +1300,7 @@ static int64_t mpegts_get_pcr(AVFormatContext *s, int stream_index,
url_fseek(&s->pb, pos, SEEK_SET);
if (get_buffer(&s->pb, buf, TS_PACKET_SIZE) != TS_PACKET_SIZE)
return AV_NOPTS_VALUE;
- if ((pcr_pid < 0 || (((buf[1] & 0x1f) << 8) | buf[2]) == pcr_pid) &&
+ if ((pcr_pid < 0 || (AV_RB16(buf + 1) & 0x1fff) == pcr_pid) &&
parse_pcr(&timestamp, &pcr_l, buf) == 0) {
break;
}
@@ -1319,7 +1314,7 @@ static int64_t mpegts_get_pcr(AVFormatContext *s, int stream_index,
url_fseek(&s->pb, pos, SEEK_SET);
if (get_buffer(&s->pb, buf, TS_PACKET_SIZE) != TS_PACKET_SIZE)
return AV_NOPTS_VALUE;
- if ((pcr_pid < 0 || (((buf[1] & 0x1f) << 8) | buf[2]) == pcr_pid) &&
+ if ((pcr_pid < 0 || (AV_RB16(buf + 1) & 0x1fff) == pcr_pid) &&
parse_pcr(&timestamp, &pcr_l, buf) == 0) {
break;
}
@@ -1344,7 +1339,7 @@ static int read_seek(AVFormatContext *s, int stream_index, int64_t target_ts, in
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;
}
diff --git a/libavformat/oggparsetheora.c b/libavformat/oggparsetheora.c
index b3dc4e4db3..8fb57ebd5a 100644
--- a/libavformat/oggparsetheora.c
+++ b/libavformat/oggparsetheora.c
@@ -60,10 +60,7 @@ theora_header (AVFormatContext * s, int idx)
skip_bits(&gb, 7*8); /* 0x80"theora" */
- version = get_bits(&gb, 8) << 16;
- version |= get_bits(&gb, 8) << 8;
- version |= get_bits(&gb, 8);
-
+ version = get_bits_long(&gb, 24);
if (version < 0x030100)
{
av_log(s, AV_LOG_ERROR,
diff --git a/libavformat/rtp.c b/libavformat/rtp.c
index da1d942868..637e4d469d 100644
--- a/libavformat/rtp.c
+++ b/libavformat/rtp.c
@@ -603,7 +603,7 @@ int rtp_parse_packet(RTPDemuxContext *s, AVPacket *pkt,
return -1;
}
payload_type = buf[1] & 0x7f;
- seq = (buf[2] << 8) | buf[3];
+ seq = AV_RB16(buf + 2);
timestamp = AV_RB32(buf + 4);
ssrc = AV_RB32(buf + 8);
/* store the ssrc in the RTPDemuxContext */
diff --git a/libavformat/rtsp.c b/libavformat/rtsp.c
index 2607fe0409..e82f359fb3 100644
--- a/libavformat/rtsp.c
+++ b/libavformat/rtsp.c
@@ -720,7 +720,7 @@ static void rtsp_skip_packet(AVFormatContext *s)
ret = url_readbuf(rt->rtsp_hd, buf, 3);
if (ret != 3)
return;
- len = (buf[1] << 8) | buf[2];
+ len = AV_RB16(buf + 1);
#ifdef DEBUG
printf("skipping RTP packet len=%d\n", len);
#endif
@@ -1098,7 +1098,7 @@ static int tcp_read_packet(AVFormatContext *s, RTSPStream **prtsp_st,
if (ret != 3)
return -1;
id = buf[0];
- len = (buf[1] << 8) | buf[2];
+ len = AV_RB16(buf + 1);
#ifdef DEBUG_RTP_TCP
printf("id=%d len=%d\n", id, len);
#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-01 17:12:43 +0000