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lavc: Rename avpriv_mpv_find_start_code after moving out from mpegvideo

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Also move the declaration to internal.h, and add restrict qualifiers
to the declaration (as in the implementation).

Signed-off-by: Martin Storsjö <martin@martin.st>
pull/13/merge
Martin Storsjö 12 years ago
parent 75644335b9
commit f1e9398621
9 changed files with 22 additions and 16 deletions
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  1. 2
      libavcodec/cavsdec.c
  2. 3
      libavcodec/h264_parser.c
  3. 5
      libavcodec/internal.h
  4. 8
      libavcodec/mpeg12.c
  5. 1
      libavcodec/mpegvideo.h
  6. 3
      libavcodec/mpegvideo_parser.c
  7. 3
      libavcodec/utils.c
  8. 5
      libavformat/mpegtsenc.c
  9. 4
      libavformat/rtpenc_mpv.c

2
libavcodec/cavsdec.c
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@ -1135,7 +1135,7 @@ static int cavs_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
buf_ptr = buf;
buf_end = buf + buf_size;
for(;;) {
buf_ptr = avpriv_mpv_find_start_code(buf_ptr, buf_end, &stc);
buf_ptr = avpriv_find_start_code(buf_ptr, buf_end, &stc);
if ((stc & 0xFFFFFE00) || buf_ptr == buf_end)
return FFMAX(0, buf_ptr - buf);
input_size = (buf_end - buf_ptr) * 8;

3
libavcodec/h264_parser.c
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@ -28,6 +28,7 @@
#include "parser.h"
#include "h264data.h"
#include "golomb.h"
#include "internal.h"
#include <assert.h>
@ -130,7 +131,7 @@ static inline int parse_nal_units(AVCodecParserContext *s,
for(;;) {
int src_length, dst_length, consumed;
buf = avpriv_mpv_find_start_code(buf, buf_end, &state);
buf = avpriv_find_start_code(buf, buf_end, &state);
if(buf >= buf_end)
break;
--buf;

5
libavcodec/internal.h
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@ -30,6 +30,7 @@
#include "libavutil/mathematics.h"
#include "libavutil/pixfmt.h"
#include "avcodec.h"
#include "config.h"
#define FF_SANE_NB_CHANNELS 63U
@ -161,4 +162,8 @@ int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags);
*/
int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame);
const uint8_t *avpriv_find_start_code(const uint8_t *restrict p,
const uint8_t *end,
uint32_t *restrict state);
#endif /* AVCODEC_INTERNAL_H */

8
libavcodec/mpeg12.c
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@ -1709,7 +1709,7 @@ static int mpeg_decode_slice(MpegEncContext *s, int mb_y,
if (avctx->hwaccel) {
const uint8_t *buf_end, *buf_start = *buf - 4; /* include start_code */
int start_code = -1;
buf_end = avpriv_mpv_find_start_code(buf_start + 2, *buf + buf_size, &start_code);
buf_end = avpriv_find_start_code(buf_start + 2, *buf + buf_size, &start_code);
if (buf_end < *buf + buf_size)
buf_end -= 4;
s->mb_y = mb_y;
@ -1901,7 +1901,7 @@ static int slice_decode_thread(AVCodecContext *c, void *arg)
return 0;
start_code = -1;
buf = avpriv_mpv_find_start_code(buf, s->gb.buffer_end, &start_code);
buf = avpriv_find_start_code(buf, s->gb.buffer_end, &start_code);
mb_y= (start_code - SLICE_MIN_START_CODE) << field_pic;
if (s->picture_structure == PICT_BOTTOM_FIELD)
mb_y++;
@ -2185,7 +2185,7 @@ int ff_mpeg1_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size,
}
state++;
} else {
i = avpriv_mpv_find_start_code(buf + i, buf + buf_size, &state) - buf - 1;
i = avpriv_find_start_code(buf + i, buf + buf_size, &state) - buf - 1;
if (pc->frame_start_found == 0 && state >= SLICE_MIN_START_CODE && state <= SLICE_MAX_START_CODE) {
i++;
pc->frame_start_found = 4;
@ -2229,7 +2229,7 @@ static int decode_chunks(AVCodecContext *avctx,
for (;;) {
/* find next start code */
uint32_t start_code = -1;
buf_ptr = avpriv_mpv_find_start_code(buf_ptr, buf_end, &start_code);
buf_ptr = avpriv_find_start_code(buf_ptr, buf_end, &start_code);
if (start_code > 0x1ff) {
if (s2->pict_type != AV_PICTURE_TYPE_B || avctx->skip_frame <= AVDISCARD_DEFAULT) {
if (HAVE_THREADS && (avctx->active_thread_type & FF_THREAD_SLICE)) {

1
libavcodec/mpegvideo.h
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@ -800,7 +800,6 @@ int ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src);
int ff_MPV_lowest_referenced_row(MpegEncContext *s, int dir);
void ff_MPV_report_decode_progress(MpegEncContext *s);
int ff_mpeg_update_thread_context(AVCodecContext *dst, const AVCodecContext *src);
const uint8_t *avpriv_mpv_find_start_code(const uint8_t *p, const uint8_t *end, uint32_t *state);
void ff_set_qscale(MpegEncContext * s, int qscale);
void ff_mpeg_er_frame_start(MpegEncContext *s);

3
libavcodec/mpegvideo_parser.c
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@ -22,6 +22,7 @@
#include "parser.h"
#include "mpegvideo.h"
#include "internal.h"
struct MpvParseContext {
ParseContext pc;
@ -48,7 +49,7 @@ static void mpegvideo_extract_headers(AVCodecParserContext *s,
while (buf < buf_end) {
start_code= -1;
buf= avpriv_mpv_find_start_code(buf, buf_end, &start_code);
buf= avpriv_find_start_code(buf, buf_end, &start_code);
bytes_left = buf_end - buf;
switch(start_code) {
case PICTURE_START_CODE:

3
libavcodec/utils.c
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@ -39,7 +39,6 @@
#include "avcodec.h"
#include "dsputil.h"
#include "libavutil/opt.h"
#include "mpegvideo.h"
#include "thread.h"
#include "internal.h"
#include "bytestream.h"
@ -2199,7 +2198,7 @@ int avcodec_is_open(AVCodecContext *s)
return !!s->internal;
}
const uint8_t *avpriv_mpv_find_start_code(const uint8_t *restrict p,
const uint8_t *avpriv_find_start_code(const uint8_t *restrict p,
const uint8_t *end,
uint32_t * restrict state)
{

5
libavformat/mpegtsenc.c
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@ -22,9 +22,10 @@
#include "libavutil/bswap.h"
#include "libavutil/crc.h"
#include "libavutil/dict.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
#include "libavcodec/mpegvideo.h"
#include "libavcodec/internal.h"
#include "avformat.h"
#include "internal.h"
#include "mpegts.h"
@ -1019,7 +1020,7 @@ static int mpegts_write_packet_internal(AVFormatContext *s, AVPacket *pkt)
}
do {
p = avpriv_mpv_find_start_code(p, buf_end, &state);
p = avpriv_find_start_code(p, buf_end, &state);
av_dlog(s, "nal %d\n", state & 0x1f);
} while (p < buf_end && (state & 0x1f) != 9 &&
(state & 0x1f) != 5 && (state & 0x1f) != 1);

4
libavformat/rtpenc_mpv.c
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@ -20,7 +20,7 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavcodec/mpegvideo.h"
#include "libavcodec/internal.h"
#include "avformat.h"
#include "rtpenc.h"
@ -56,7 +56,7 @@ void ff_rtp_send_mpegvideo(AVFormatContext *s1, const uint8_t *buf1, int size)
r1 = buf1;
while (1) {
start_code = -1;
r = avpriv_mpv_find_start_code(r1, end, &start_code);
r = avpriv_find_start_code(r1, end, &start_code);
if((start_code & 0xFFFFFF00) == 0x100) {
/* New start code found */
if (start_code == 0x100) {

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