OBJS-$(CONFIG_MMF_DEMUXER) += mmf.o raw.o
OBJS-$(CONFIG_MMF_MUXER) += mmf.o riff.o
OBJS-$(CONFIG_MOV_DEMUXER) += mov.o riff.o isom.o
-OBJS-$(CONFIG_MOV_MUXER) += movenc.o riff.o isom.o
+OBJS-$(CONFIG_MOV_MUXER) += movenc.o riff.o isom.o avc.o
OBJS-$(CONFIG_MP2_MUXER) += mp3.o
OBJS-$(CONFIG_MP3_DEMUXER) += mp3.o
OBJS-$(CONFIG_MP3_MUXER) += mp3.o
-OBJS-$(CONFIG_MP4_MUXER) += movenc.o riff.o isom.o
+OBJS-$(CONFIG_MP4_MUXER) += movenc.o riff.o isom.o avc.o
OBJS-$(CONFIG_MPC_DEMUXER) += mpc.o
OBJS-$(CONFIG_MPC8_DEMUXER) += mpc8.o
OBJS-$(CONFIG_MPEG1SYSTEM_MUXER) += mpegenc.o
oggparsevorbis.o \
riff.o
OBJS-$(CONFIG_OGG_MUXER) += oggenc.o
-OBJS-$(CONFIG_PSP_MUXER) += movenc.o riff.o isom.o
+OBJS-$(CONFIG_PSP_MUXER) += movenc.o riff.o isom.o avc.o
OBJS-$(CONFIG_PVA_DEMUXER) += pva.o
OBJS-$(CONFIG_RAWVIDEO_DEMUXER) += raw.o
OBJS-$(CONFIG_RAWVIDEO_MUXER) += raw.o
OBJS-$(CONFIG_STR_DEMUXER) += psxstr.o
OBJS-$(CONFIG_SWF_DEMUXER) += swf.o
OBJS-$(CONFIG_SWF_MUXER) += swf.o
-OBJS-$(CONFIG_TG2_MUXER) += movenc.o riff.o isom.o
-OBJS-$(CONFIG_TGP_MUXER) += movenc.o riff.o isom.o
+OBJS-$(CONFIG_TG2_MUXER) += movenc.o riff.o isom.o avc.o
+OBJS-$(CONFIG_TGP_MUXER) += movenc.o riff.o isom.o avc.o
OBJS-$(CONFIG_THP_DEMUXER) += thp.o
OBJS-$(CONFIG_TIERTEXSEQ_DEMUXER) += tiertexseq.o
OBJS-$(CONFIG_TTA_DEMUXER) += tta.o
--- /dev/null
+/*
+ * AVC helper functions for muxers
+ * Copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@smartjog.com>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include "avformat.h"
+#include "avio.h"
+
+static uint8_t *avc_find_startcode( uint8_t *p, uint8_t *end )
+{
+ uint8_t *a = p + 4 - ((long)p & 3);
+
+ for( end -= 3; p < a && p < end; p++ ) {
+ if( p[0] == 0 && p[1] == 0 && p[2] == 1 )
+ return p;
+ }
+
+ for( end -= 3; p < end; p += 4 ) {
+ uint32_t x = *(uint32_t*)p;
+// if( (x - 0x01000100) & (~x) & 0x80008000 ) // little endian
+// if( (x - 0x00010001) & (~x) & 0x00800080 ) // big endian
+ if( (x - 0x01010101) & (~x) & 0x80808080 ) { // generic
+ if( p[1] == 0 ) {
+ if( p[0] == 0 && p[2] == 1 )
+ return p-1;
+ if( p[2] == 0 && p[3] == 1 )
+ return p;
+ }
+ if( p[3] == 0 ) {
+ if( p[2] == 0 && p[4] == 1 )
+ return p+1;
+ if( p[4] == 0 && p[5] == 1 )
+ return p+2;
+ }
+ }
+ }
+
+ for( end += 3; p < end; p++ ) {
+ if( p[0] == 0 && p[1] == 0 && p[2] == 1 )
+ return p;
+ }
+
+ return end + 3;
+}
+
+int avc_parse_nal_units(uint8_t *buf_in, uint8_t **buf, int *size)
+{
+ ByteIOContext *pb;
+ uint8_t *p = buf_in;
+ uint8_t *end = p + *size;
+ uint8_t *nal_start, *nal_end;
+ int ret = url_open_dyn_buf(&pb);
+ if(ret < 0)
+ return ret;
+
+ nal_start = avc_find_startcode(p, end);
+ while (nal_start < end) {
+ while(!*(nal_start++));
+ nal_end = avc_find_startcode(nal_start, end);
+ put_be32(pb, nal_end - nal_start);
+ put_buffer(pb, nal_start, nal_end - nal_start);
+ nal_start = nal_end;
+ }
+ av_freep(buf);
+ *size = url_close_dyn_buf(pb, buf);
+ return 0;
+}
+
+int isom_write_avcc(ByteIOContext *pb, uint8_t *data, int len)
+{
+ if (len > 6) {
+ /* check for h264 start code */
+ if (AV_RB32(data) == 0x00000001) {
+ uint8_t *buf=NULL, *end;
+ uint32_t sps_size=0, pps_size=0;
+ uint8_t *sps=0, *pps=0;
+
+ int ret = avc_parse_nal_units(data, &buf, &len);
+ if (ret < 0)
+ return ret;
+ data = buf;
+ end = buf + len;
+
+ /* look for sps and pps */
+ while (buf < end) {
+ unsigned int size;
+ uint8_t nal_type;
+ size = AV_RB32(buf);
+ nal_type = buf[4] & 0x1f;
+ if (nal_type == 7) { /* SPS */
+ sps = buf + 4;
+ sps_size = size;
+ } else if (nal_type == 8) { /* PPS */
+ pps = buf + 4;
+ pps_size = size;
+ }
+ buf += size + 4;
+ }
+ assert(sps);
+ assert(pps);
+
+ put_byte(pb, 1); /* version */
+ put_byte(pb, sps[1]); /* profile */
+ put_byte(pb, sps[2]); /* profile compat */
+ put_byte(pb, sps[3]); /* level */
+ put_byte(pb, 0xff); /* 6 bits reserved (111111) + 2 bits nal size length - 1 (11) */
+ put_byte(pb, 0xe1); /* 3 bits reserved (111) + 5 bits number of sps (00001) */
+
+ put_be16(pb, sps_size);
+ put_buffer(pb, sps, sps_size);
+ put_byte(pb, 1); /* number of pps */
+ put_be16(pb, pps_size);
+ put_buffer(pb, pps, pps_size);
+ av_free(data);
+ } else {
+ put_buffer(pb, data, len);
+ }
+ }
+ return 0;
+}
--- /dev/null
+/*
+ * AVC helper functions for muxers
+ * Copyright (c) 2008 Aurelien Jacobs <aurel@gnuage.org>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVC_H
+#define AVC_H
+
+#include <stdint.h>
+#include "avio.h"
+
+int avc_parse_nal_units(uint8_t *buf_in, uint8_t **buf, int *size);
+int isom_write_avcc(ByteIOContext *pb, uint8_t *data, int len);
+
+#endif /* AVC_H */
#include "riff.h"
#include "avio.h"
#include "isom.h"
+#include "avc.h"
#undef NDEBUG
#include <assert.h>
return 0x15;
}
-static uint8_t *avc_find_startcode( uint8_t *p, uint8_t *end )
-{
- uint8_t *a = p + 4 - ((long)p & 3);
-
- for( end -= 3; p < a && p < end; p++ ) {
- if( p[0] == 0 && p[1] == 0 && p[2] == 1 )
- return p;
- }
-
- for( end -= 3; p < end; p += 4 ) {
- uint32_t x = *(uint32_t*)p;
-// if( (x - 0x01000100) & (~x) & 0x80008000 ) // little endian
-// if( (x - 0x00010001) & (~x) & 0x00800080 ) // big endian
- if( (x - 0x01010101) & (~x) & 0x80808080 ) { // generic
- if( p[1] == 0 ) {
- if( p[0] == 0 && p[2] == 1 )
- return p-1;
- if( p[2] == 0 && p[3] == 1 )
- return p;
- }
- if( p[3] == 0 ) {
- if( p[2] == 0 && p[4] == 1 )
- return p+1;
- if( p[4] == 0 && p[5] == 1 )
- return p+2;
- }
- }
- }
-
- for( end += 3; p < end; p++ ) {
- if( p[0] == 0 && p[1] == 0 && p[2] == 1 )
- return p;
- }
-
- return end + 3;
-}
-
-static int avc_parse_nal_units(uint8_t *buf_in, uint8_t **buf, int *size)
-{
- ByteIOContext *pb;
- uint8_t *p = buf_in;
- uint8_t *end = p + *size;
- uint8_t *nal_start, *nal_end;
- int ret = url_open_dyn_buf(&pb);
- if(ret < 0)
- return ret;
-
- nal_start = avc_find_startcode(p, end);
- while (nal_start < end) {
- while(!*(nal_start++));
- nal_end = avc_find_startcode(nal_start, end);
- put_be32(pb, nal_end - nal_start);
- put_buffer(pb, nal_start, nal_end - nal_start);
- nal_start = nal_end;
- }
- av_freep(buf);
- *size = url_close_dyn_buf(pb, buf);
- return 0;
-}
-
-static int isom_write_avcc(ByteIOContext *pb, uint8_t *data, int len)
-{
- if (len > 6) {
- /* check for h264 start code */
- if (AV_RB32(data) == 0x00000001) {
- uint8_t *buf=NULL, *end;
- uint32_t sps_size=0, pps_size=0;
- uint8_t *sps=0, *pps=0;
-
- int ret = avc_parse_nal_units(data, &buf, &len);
- if (ret < 0)
- return ret;
- data = buf;
- end = buf + len;
-
- /* look for sps and pps */
- while (buf < end) {
- unsigned int size;
- uint8_t nal_type;
- size = AV_RB32(buf);
- nal_type = buf[4] & 0x1f;
- if (nal_type == 7) { /* SPS */
- sps = buf + 4;
- sps_size = size;
- } else if (nal_type == 8) { /* PPS */
- pps = buf + 4;
- pps_size = size;
- }
- buf += size + 4;
- }
- assert(sps);
- assert(pps);
-
- put_byte(pb, 1); /* version */
- put_byte(pb, sps[1]); /* profile */
- put_byte(pb, sps[2]); /* profile compat */
- put_byte(pb, sps[3]); /* level */
- put_byte(pb, 0xff); /* 6 bits reserved (111111) + 2 bits nal size length - 1 (11) */
- put_byte(pb, 0xe1); /* 3 bits reserved (111) + 5 bits number of sps (00001) */
-
- put_be16(pb, sps_size);
- put_buffer(pb, sps, sps_size);
- put_byte(pb, 1); /* number of pps */
- put_be16(pb, pps_size);
- put_buffer(pb, pps, pps_size);
- av_free(data);
- } else {
- put_buffer(pb, data, len);
- }
- }
- return 0;
-}
-
static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
{
offset_t pos = url_ftell(pb);
projects / platform / upstream / libav.git / commitdiff