mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
Remove duplicate bytestream functions
Originally committed as revision 9108 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ramiro Polla
parent
cb1a74cf8c
commit
67a5daf07f
@ -86,8 +86,7 @@ static void adx_encode(unsigned char *adx,const short *wav,PREV *prev)
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if (scale==0) scale=1;
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adx[0] = scale>>8;
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adx[1] = scale;
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AV_WB16(adx, scale);
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for(i=0;i<16;i++) {
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adx[i+2] = ((data[i*2]/scale)<<4) | ((data[i*2+1]/scale)&0xf);
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@ -97,7 +96,7 @@ static void adx_encode(unsigned char *adx,const short *wav,PREV *prev)
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static void adx_decode(short *out,const unsigned char *in,PREV *prev)
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{
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int scale = ((in[0]<<8)|(in[1]));
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int scale = AV_RB16(in);
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int i;
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int s0,s1,s2,d;
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@ -145,14 +144,6 @@ static void adx_decode_stereo(short *out,const unsigned char *in,PREV *prev)
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#ifdef CONFIG_ENCODERS
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static void write_long(unsigned char *p,uint32_t v)
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{
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p[0] = v>>24;
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p[1] = v>>16;
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p[2] = v>>8;
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p[3] = v;
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}
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static int adx_encode_header(AVCodecContext *avctx,unsigned char *buf,size_t bufsize)
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{
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#if 0
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@ -178,13 +169,13 @@ static int adx_encode_header(AVCodecContext *avctx,unsigned char *buf,size_t buf
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} adxhdr; /* big endian */
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/* offset-6 "(c)CRI" */
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#endif
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write_long(buf+0x00,0x80000000|0x20);
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write_long(buf+0x04,0x03120400|avctx->channels);
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write_long(buf+0x08,avctx->sample_rate);
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write_long(buf+0x0c,0); /* FIXME: set after */
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write_long(buf+0x10,0x01040300);
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write_long(buf+0x14,0x00000000);
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write_long(buf+0x18,0x00000000);
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AV_WB32(buf+0x00,0x80000000|0x20);
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AV_WB32(buf+0x04,0x03120400|avctx->channels);
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AV_WB32(buf+0x08,avctx->sample_rate);
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AV_WB32(buf+0x0c,0); /* FIXME: set after */
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AV_WB32(buf+0x10,0x01040300);
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AV_WB32(buf+0x14,0x00000000);
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AV_WB32(buf+0x18,0x00000000);
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memcpy(buf+0x1c,"\0\0(c)CRI",8);
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return 0x20+4;
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}
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@ -264,17 +255,12 @@ static int adx_encode_frame(AVCodecContext *avctx,
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#endif //CONFIG_ENCODERS
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static uint32_t read_long(const unsigned char *p)
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{
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return (p[0]<<24)|(p[1]<<16)|(p[2]<<8)|p[3];
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}
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static int is_adx(const unsigned char *buf,size_t bufsize)
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{
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int offset;
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if (buf[0]!=0x80) return 0;
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offset = (read_long(buf)^0x80000000)+4;
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offset = (AV_RB32(buf)^0x80000000)+4;
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if (bufsize<offset || memcmp(buf+offset-6,"(c)CRI",6)) return 0;
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return offset;
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}
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@ -289,8 +275,8 @@ static int adx_decode_header(AVCodecContext *avctx,const unsigned char *buf,size
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if (offset==0) return 0;
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channels = buf[7];
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freq = read_long(buf+8);
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size = read_long(buf+12);
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freq = AV_RB32(buf+8);
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size = AV_RB32(buf+12);
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// printf("freq=%d ch=%d\n",freq,channels);
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@ -19,6 +19,7 @@
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "avcodec.h"
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#include "bytestream.h"
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typedef struct DVBSubtitleContext {
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int hide_state;
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@ -208,15 +209,6 @@ static void dvb_encode_rle4(uint8_t **pq,
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(((FIX(0.50000*224.0/255.0) * r1 - FIX(0.41869*224.0/255.0) * g1 - \
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FIX(0.08131*224.0/255.0) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
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static inline void putbe16(uint8_t **pq, uint16_t v)
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{
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uint8_t *q;
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q = *pq;
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*q++ = v >> 8;
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*q++ = v;
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*pq = q;
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}
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static int encode_dvb_subtitles(DVBSubtitleContext *s,
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uint8_t *outbuf, AVSubtitle *h)
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{
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@ -237,7 +229,7 @@ static int encode_dvb_subtitles(DVBSubtitleContext *s,
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*q++ = 0x0f; /* sync_byte */
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*q++ = 0x10; /* segment_type */
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putbe16(&q, page_id);
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bytestream_put_be16(&q, page_id);
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pseg_len = q;
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q += 2; /* segment length */
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*q++ = 30; /* page_timeout (seconds) */
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@ -251,11 +243,11 @@ static int encode_dvb_subtitles(DVBSubtitleContext *s,
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for (region_id = 0; region_id < h->num_rects; region_id++) {
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*q++ = region_id;
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*q++ = 0xff; /* reserved */
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putbe16(&q, h->rects[region_id].x); /* left pos */
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putbe16(&q, h->rects[region_id].y); /* top pos */
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bytestream_put_be16(&q, h->rects[region_id].x); /* left pos */
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bytestream_put_be16(&q, h->rects[region_id].y); /* top pos */
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}
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putbe16(&pseg_len, q - pseg_len - 2);
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bytestream_put_be16(&pseg_len, q - pseg_len - 2);
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if (!s->hide_state) {
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for (clut_id = 0; clut_id < h->num_rects; clut_id++) {
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@ -274,7 +266,7 @@ static int encode_dvb_subtitles(DVBSubtitleContext *s,
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*q++ = 0x0f; /* sync byte */
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*q++ = 0x12; /* CLUT definition segment */
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putbe16(&q, page_id);
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bytestream_put_be16(&q, page_id);
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pseg_len = q;
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q += 2; /* segment length */
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*q++ = clut_id;
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@ -297,7 +289,7 @@ static int encode_dvb_subtitles(DVBSubtitleContext *s,
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}
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}
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putbe16(&pseg_len, q - pseg_len - 2);
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bytestream_put_be16(&pseg_len, q - pseg_len - 2);
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}
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}
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@ -317,27 +309,27 @@ static int encode_dvb_subtitles(DVBSubtitleContext *s,
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*q++ = 0x0f; /* sync_byte */
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*q++ = 0x11; /* segment_type */
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putbe16(&q, page_id);
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bytestream_put_be16(&q, page_id);
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pseg_len = q;
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q += 2; /* segment length */
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*q++ = region_id;
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*q++ = (s->object_version << 4) | (0 << 3) | 0x07; /* version , no fill */
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putbe16(&q, h->rects[region_id].w); /* region width */
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putbe16(&q, h->rects[region_id].h); /* region height */
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bytestream_put_be16(&q, h->rects[region_id].w); /* region width */
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bytestream_put_be16(&q, h->rects[region_id].h); /* region height */
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*q++ = ((1 + bpp_index) << 5) | ((1 + bpp_index) << 2) | 0x03;
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*q++ = region_id; /* clut_id == region_id */
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*q++ = 0; /* 8 bit fill colors */
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*q++ = 0x03; /* 4 bit and 2 bit fill colors */
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if (!s->hide_state) {
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putbe16(&q, region_id); /* object_id == region_id */
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bytestream_put_be16(&q, region_id); /* object_id == region_id */
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*q++ = (0 << 6) | (0 << 4);
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*q++ = 0;
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*q++ = 0xf0;
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*q++ = 0;
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}
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putbe16(&pseg_len, q - pseg_len - 2);
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bytestream_put_be16(&pseg_len, q - pseg_len - 2);
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}
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if (!s->hide_state) {
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@ -357,11 +349,11 @@ static int encode_dvb_subtitles(DVBSubtitleContext *s,
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*q++ = 0x0f; /* sync byte */
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*q++ = 0x13;
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putbe16(&q, page_id);
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bytestream_put_be16(&q, page_id);
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pseg_len = q;
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q += 2; /* segment length */
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putbe16(&q, object_id);
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bytestream_put_be16(&q, object_id);
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*q++ = (s->object_version << 4) | (0 << 2) | (0 << 1) | 1; /* version = 0,
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onject_coding_method,
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non_modifying_color_flag */
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@ -388,11 +380,11 @@ static int encode_dvb_subtitles(DVBSubtitleContext *s,
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h->rects[object_id].w * 2, h->rects[object_id].w,
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h->rects[object_id].h >> 1);
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putbe16(&ptop_field_len, bottom_ptr - top_ptr);
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putbe16(&pbottom_field_len, q - bottom_ptr);
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bytestream_put_be16(&ptop_field_len, bottom_ptr - top_ptr);
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bytestream_put_be16(&pbottom_field_len, q - bottom_ptr);
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}
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putbe16(&pseg_len, q - pseg_len - 2);
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bytestream_put_be16(&pseg_len, q - pseg_len - 2);
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}
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}
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@ -400,11 +392,11 @@ static int encode_dvb_subtitles(DVBSubtitleContext *s,
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*q++ = 0x0f; /* sync_byte */
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*q++ = 0x80; /* segment_type */
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putbe16(&q, page_id);
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bytestream_put_be16(&q, page_id);
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pseg_len = q;
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q += 2; /* segment length */
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putbe16(&pseg_len, q - pseg_len - 2);
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bytestream_put_be16(&pseg_len, q - pseg_len - 2);
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*q++ = 0xff; /* end of PES data */
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@ -19,6 +19,7 @@
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "avcodec.h"
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#include "bytestream.h"
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#undef NDEBUG
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#include <assert.h>
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@ -85,14 +86,6 @@ static void dvd_encode_rle(uint8_t **pq,
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*pq = q;
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}
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static inline void putbe16(uint8_t **pq, uint16_t v)
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{
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uint8_t *q = *pq;
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*q++ = v >> 8;
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*q++ = v;
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*pq = q;
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}
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static int encode_dvd_subtitles(uint8_t *outbuf, int outbuf_size,
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const AVSubtitle *h)
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{
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@ -163,11 +156,11 @@ static int encode_dvd_subtitles(uint8_t *outbuf, int outbuf_size,
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// set data packet size
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qq = outbuf + 2;
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putbe16(&qq, q - outbuf);
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bytestream_put_be16(&qq, q - outbuf);
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// send start display command
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putbe16(&q, (h->start_display_time*90) >> 10);
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putbe16(&q, (q - outbuf) /*- 2 */ + 8 + 12*rects + 2);
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bytestream_put_be16(&q, (h->start_display_time*90) >> 10);
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bytestream_put_be16(&q, (q - outbuf) /*- 2 */ + 8 + 12*rects + 2);
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*q++ = 0x03; // palette - 4 nibbles
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*q++ = 0x03; *q++ = 0x7f;
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*q++ = 0x04; // alpha - 4 nibbles
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@ -192,20 +185,20 @@ static int encode_dvd_subtitles(uint8_t *outbuf, int outbuf_size,
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*q++ = 0x06;
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// offset1, offset2
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putbe16(&q, offset1[object_id]);
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putbe16(&q, offset2[object_id]);
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bytestream_put_be16(&q, offset1[object_id]);
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bytestream_put_be16(&q, offset2[object_id]);
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}
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*q++ = 0x01; // start command
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*q++ = 0xff; // terminating command
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// send stop display command last
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putbe16(&q, (h->end_display_time*90) >> 10);
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putbe16(&q, (q - outbuf) - 2 /*+ 4*/);
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bytestream_put_be16(&q, (h->end_display_time*90) >> 10);
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bytestream_put_be16(&q, (q - outbuf) - 2 /*+ 4*/);
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*q++ = 0x02; // set end
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*q++ = 0xff; // terminating command
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qq = outbuf;
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putbe16(&qq, q - outbuf);
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bytestream_put_be16(&qq, q - outbuf);
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av_log(NULL, AV_LOG_DEBUG, "subtitle_packet size=%td\n", q - outbuf);
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return q - outbuf;
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@ -19,6 +19,7 @@
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "avcodec.h"
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#include "bytestream.h"
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/* TODO:
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* - add 2, 4 and 16 bit depth support
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@ -86,20 +87,6 @@ typedef struct PNGContext {
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uint8_t buf[IOBUF_SIZE];
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} PNGContext;
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static unsigned int get32(uint8_t **b){
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(*b) += 4;
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return ((*b)[-4]<<24) + ((*b)[-3]<<16) + ((*b)[-2]<<8) + (*b)[-1];
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}
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#ifdef CONFIG_ENCODERS
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static void put32(uint8_t **b, unsigned int v){
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*(*b)++= v>>24;
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*(*b)++= v>>16;
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*(*b)++= v>>8;
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*(*b)++= v;
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}
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#endif
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static const uint8_t pngsig[8] = {137, 80, 78, 71, 13, 10, 26, 10};
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/* Mask to determine which y pixels are valid in a pass */
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@ -509,10 +496,10 @@ static int decode_frame(AVCodecContext *avctx,
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int tag32;
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if (s->bytestream >= s->bytestream_end)
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goto fail;
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length = get32(&s->bytestream);
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length = bytestream_get_be32(&s->bytestream);
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if (length > 0x7fffffff)
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goto fail;
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tag32 = get32(&s->bytestream);
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tag32 = bytestream_get_be32(&s->bytestream);
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tag = bswap_32(tag32);
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#ifdef DEBUG
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av_log(avctx, AV_LOG_DEBUG, "png: tag=%c%c%c%c length=%u\n",
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@ -525,8 +512,8 @@ static int decode_frame(AVCodecContext *avctx,
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case MKTAG('I', 'H', 'D', 'R'):
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if (length != 13)
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goto fail;
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s->width = get32(&s->bytestream);
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s->height = get32(&s->bytestream);
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s->width = bytestream_get_be32(&s->bytestream);
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s->height = bytestream_get_be32(&s->bytestream);
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if(avcodec_check_dimensions(avctx, s->width, s->height)){
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s->width= s->height= 0;
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goto fail;
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@ -536,7 +523,7 @@ static int decode_frame(AVCodecContext *avctx,
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s->compression_type = *s->bytestream++;
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s->filter_type = *s->bytestream++;
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s->interlace_type = *s->bytestream++;
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crc = get32(&s->bytestream);
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crc = bytestream_get_be32(&s->bytestream);
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s->state |= PNG_IHDR;
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#ifdef DEBUG
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av_log(avctx, AV_LOG_DEBUG, "width=%d height=%d depth=%d color_type=%d compression_type=%d filter_type=%d interlace_type=%d\n",
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@ -629,7 +616,7 @@ static int decode_frame(AVCodecContext *avctx,
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if (png_decode_idat(s, length) < 0)
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goto fail;
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/* skip crc */
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crc = get32(&s->bytestream);
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crc = bytestream_get_be32(&s->bytestream);
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break;
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case MKTAG('P', 'L', 'T', 'E'):
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{
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@ -649,7 +636,7 @@ static int decode_frame(AVCodecContext *avctx,
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s->palette[i] = (0xff << 24);
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}
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s->state |= PNG_PLTE;
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crc = get32(&s->bytestream);
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crc = bytestream_get_be32(&s->bytestream);
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}
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break;
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case MKTAG('t', 'R', 'N', 'S'):
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@ -665,13 +652,13 @@ static int decode_frame(AVCodecContext *avctx,
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v = *s->bytestream++;
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s->palette[i] = (s->palette[i] & 0x00ffffff) | (v << 24);
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}
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crc = get32(&s->bytestream);
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crc = bytestream_get_be32(&s->bytestream);
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}
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break;
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case MKTAG('I', 'E', 'N', 'D'):
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if (!(s->state & PNG_ALLIMAGE))
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goto fail;
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crc = get32(&s->bytestream);
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crc = bytestream_get_be32(&s->bytestream);
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goto exit_loop;
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default:
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/* skip tag */
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@ -704,29 +691,20 @@ static void png_write_chunk(uint8_t **f, uint32_t tag,
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uint32_t crc;
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uint8_t tagbuf[4];
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put32(f, length);
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bytestream_put_be32(f, length);
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crc = crc32(0, Z_NULL, 0);
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tagbuf[0] = tag;
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||||
tagbuf[1] = tag >> 8;
|
||||
tagbuf[2] = tag >> 16;
|
||||
tagbuf[3] = tag >> 24;
|
||||
crc = crc32(crc, tagbuf, 4);
|
||||
put32(f, bswap_32(tag));
|
||||
bytestream_put_be32(f, bswap_32(tag));
|
||||
if (length > 0) {
|
||||
crc = crc32(crc, buf, length);
|
||||
memcpy(*f, buf, length);
|
||||
*f += length;
|
||||
}
|
||||
put32(f, crc);
|
||||
}
|
||||
|
||||
/* XXX: use avcodec generic function ? */
|
||||
static void to_be32(uint8_t *p, uint32_t v)
|
||||
{
|
||||
p[0] = v >> 24;
|
||||
p[1] = v >> 16;
|
||||
p[2] = v >> 8;
|
||||
p[3] = v;
|
||||
bytestream_put_be32(f, crc);
|
||||
}
|
||||
|
||||
/* XXX: do filtering */
|
||||
@ -828,8 +806,8 @@ static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size,
|
||||
memcpy(s->bytestream, pngsig, 8);
|
||||
s->bytestream += 8;
|
||||
|
||||
to_be32(s->buf, avctx->width);
|
||||
to_be32(s->buf + 4, avctx->height);
|
||||
AV_WB32(s->buf, avctx->width);
|
||||
AV_WB32(s->buf + 4, avctx->height);
|
||||
s->buf[8] = bit_depth;
|
||||
s->buf[9] = color_type;
|
||||
s->buf[10] = 0; /* compression type */
|
||||
|
||||
@ -32,6 +32,7 @@
|
||||
#include <unistd.h>
|
||||
|
||||
#include "avcodec.h"
|
||||
#include "bytestream.h"
|
||||
#include "dsputil.h"
|
||||
|
||||
typedef struct {
|
||||
@ -77,10 +78,6 @@ typedef struct RoqContext {
|
||||
#define RoQ_ID_CCC 0x03
|
||||
|
||||
#define get_byte(in_buffer) *(in_buffer++)
|
||||
#define get_word(in_buffer) ((unsigned short)(in_buffer += 2, \
|
||||
(in_buffer[-1] << 8 | in_buffer[-2])))
|
||||
#define get_long(in_buffer) ((unsigned long)(in_buffer += 4, \
|
||||
(in_buffer[-1] << 24 | in_buffer[-2] << 16 | in_buffer[-3] << 8 | in_buffer[-4])))
|
||||
|
||||
|
||||
static void apply_vector_2x2(RoqContext *ri, int x, int y, roq_cell *cell)
|
||||
@ -293,9 +290,9 @@ static void roqvideo_decode_frame(RoqContext *ri)
|
||||
unsigned char *buf_end = ri->buf + ri->size;
|
||||
|
||||
while (buf < buf_end) {
|
||||
chunk_id = get_word(buf);
|
||||
chunk_size = get_long(buf);
|
||||
chunk_arg = get_word(buf);
|
||||
chunk_id = bytestream_get_le16(&buf);
|
||||
chunk_size = bytestream_get_le32(&buf);
|
||||
chunk_arg = bytestream_get_le16(&buf);
|
||||
|
||||
if(chunk_id == RoQ_QUAD_VQ)
|
||||
break;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user