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Add const to (mostly) char* and make some functions static, which aren't used

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outside their declaring source file and which have no corresponding prototype.
patch by Stefan Huehner stefan^^@^^huehner^^.^^org

Originally committed as revision 5497 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefan Huehner 2006-06-18 11:33:14 +00:00 committed by Diego Biurrun
parent 3b9bee8889
commit 7b49ce2e34
16 changed files with 50 additions and 48 deletions
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8
ffmpeg.c
View File

@ -211,12 +211,12 @@ static int video_global_header = 0;
static int rate_emu = 0;
#ifdef CONFIG_BKTR
static char *video_grab_format = "bktr";
static const char *video_grab_format = "bktr";
#else
#ifdef CONFIG_VIDEO4LINUX2
static char *video_grab_format = "video4linux2";
static const char *video_grab_format = "video4linux2";
#else
static char *video_grab_format = "video4linux";
static const char *video_grab_format = "video4linux";
#endif
#endif
static char *video_device = NULL;
@ -224,7 +224,7 @@ static char *grab_device = NULL;
static int video_channel = 0;
static char *video_standard = "ntsc";
static char *audio_grab_format = "audio_device";
static const char *audio_grab_format = "audio_device";
static char *audio_device = NULL;
static int audio_volume = 256;

16
ffplay.c
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@ -1735,7 +1735,7 @@ static void stream_component_close(VideoState *is, int stream_index)
}
}
void dump_stream_info(AVFormatContext *s)
static void dump_stream_info(const AVFormatContext *s)
{
if (s->track != 0)
fprintf(stderr, "Track: %d\n", s->track);
@ -2042,7 +2042,7 @@ static void stream_close(VideoState *is)
SDL_DestroyMutex(is->video_decoder_mutex);
}
void stream_cycle_channel(VideoState *is, int codec_type)
static void stream_cycle_channel(VideoState *is, int codec_type)
{
AVFormatContext *ic = is->ic;
int start_index, stream_index;
@ -2092,7 +2092,7 @@ void stream_cycle_channel(VideoState *is, int codec_type)
}
void toggle_full_screen(void)
static void toggle_full_screen(void)
{
int w, h, flags;
is_full_screen = !is_full_screen;
@ -2117,14 +2117,14 @@ void toggle_full_screen(void)
}
}
void toggle_pause(void)
static void toggle_pause(void)
{
if (cur_stream)
stream_pause(cur_stream);
step = 0;
}
void step_to_next_frame(void)
static void step_to_next_frame(void)
{
if (cur_stream) {
if (cur_stream->paused)
@ -2134,7 +2134,7 @@ void step_to_next_frame(void)
step = 1;
}
void do_exit(void)
static void do_exit(void)
{
if (cur_stream) {
stream_close(cur_stream);
@ -2146,7 +2146,7 @@ void do_exit(void)
exit(0);
}
void toggle_audio_display(void)
static void toggle_audio_display(void)
{
if (cur_stream) {
cur_stream->show_audio = !cur_stream->show_audio;
@ -2154,7 +2154,7 @@ void toggle_audio_display(void)
}
/* handle an event sent by the GUI */
void event_loop(void)
static void event_loop(void)
{
SDL_Event event;
double incr, pos, frac;

2
ffserver.c
View File

@ -3704,7 +3704,7 @@ static int opt_video_codec(const char *arg)
/* simplistic plugin support */
#ifdef CONFIG_HAVE_DLOPEN
void load_module(const char *filename)
static void load_module(const char *filename)
{
void *dll;
void (*init_func)(void);

2
libavcodec/alac.c
View File

@ -407,7 +407,7 @@ static void predictor_decompress_fir_adapt(int32_t *error_buffer,
}
}
void deinterlace_16(int32_t *buffer_a, int32_t *buffer_b,
static void deinterlace_16(int32_t *buffer_a, int32_t *buffer_b,
int16_t *buffer_out,
int numchannels, int numsamples,
uint8_t interlacing_shift,

2
libavcodec/png.c
View File

@ -346,7 +346,7 @@ static void convert_from_rgba32(uint8_t *dst, const uint8_t *src, int width)
d = dst;
for(j = 0; j < width; j++) {
v = ((uint32_t *)src)[j];
v = ((const uint32_t *)src)[j];
d[0] = v >> 16;
d[1] = v >> 8;
d[2] = v;

2
libavcodec/resample2.c
View File

@ -62,7 +62,7 @@ typedef struct AVResampleContext{
/**
* 0th order modified bessel function of the first kind.
*/
double bessel(double x){
static double bessel(double x){
double v=1;
double t=1;
int i;

12
libavcodec/truespeech.c
View File

@ -188,7 +188,8 @@ static void truespeech_filters_merge(TSContext *dec)
static void truespeech_apply_twopoint_filter(TSContext *dec, int quart)
{
int16_t tmp[146 + 60], *ptr0, *ptr1, *filter;
int16_t tmp[146 + 60], *ptr0, *ptr1;
const int16_t *filter;
int i, t, off;
t = dec->offset2[quart];
@ -201,7 +202,7 @@ static void truespeech_apply_twopoint_filter(TSContext *dec, int quart)
off = (t / 25) + dec->offset1[quart >> 1] + 18;
ptr0 = tmp + 145 - off;
ptr1 = tmp + 146;
filter = (int16_t*)ts_240 + (t % 25) * 2;
filter = (const int16_t*)ts_240 + (t % 25) * 2;
for(i = 0; i < 60; i++){
t = (ptr0[0] * filter[0] + ptr0[1] * filter[1] + 0x2000) >> 14;
ptr0++;
@ -214,7 +215,8 @@ static void truespeech_place_pulses(TSContext *dec, int16_t *out, int quart)
{
int16_t tmp[7];
int i, j, t;
int16_t *ptr1, *ptr2;
const int16_t *ptr1;
int16_t *ptr2;
int coef;
memset(out, 0, 60 * 2);
@ -225,7 +227,7 @@ static void truespeech_place_pulses(TSContext *dec, int16_t *out, int quart)
}
coef = dec->pulsepos[quart] >> 15;
ptr1 = (int16_t*)ts_140 + 30;
ptr1 = (const int16_t*)ts_140 + 30;
ptr2 = tmp;
for(i = 0, j = 3; (i < 30) && (j > 0); i++){
t = *ptr1++;
@ -238,7 +240,7 @@ static void truespeech_place_pulses(TSContext *dec, int16_t *out, int quart)
}
}
coef = dec->pulsepos[quart] & 0x7FFF;
ptr1 = (int16_t*)ts_140;
ptr1 = (const int16_t*)ts_140;
for(i = 30, j = 4; (i < 60) && (j > 0); i++){
t = *ptr1++;
if(coef >= t)

2
libavformat/aiff.c
View File

@ -110,7 +110,7 @@ static int fix_bps(int codec_id)
}
/* Returns the number of sound data frames or negative on error */
unsigned int get_aiff_header(ByteIOContext *pb, AVCodecContext *codec,
static unsigned int get_aiff_header(ByteIOContext *pb, AVCodecContext *codec,
int size, unsigned version)
{
AVExtFloat ext;

2
libavformat/movenc.c
View File

@ -1341,7 +1341,7 @@ static int mov_write_moov_tag(ByteIOContext *pb, MOVContext *mov,
return updateSize(pb, pos);
}
int mov_write_mdat_tag(ByteIOContext *pb, MOVContext* mov)
static int mov_write_mdat_tag(ByteIOContext *pb, MOVContext* mov)
{
put_be32(pb, 8); // placeholder for extended size field (64 bit)
put_tag(pb, "wide");

12
libavformat/mpegts.c
View File

@ -151,7 +151,7 @@ static void write_section_data(AVFormatContext *s, MpegTSFilter *tss1,
}
}
MpegTSFilter *mpegts_open_section_filter(MpegTSContext *ts, unsigned int pid,
static MpegTSFilter *mpegts_open_section_filter(MpegTSContext *ts, unsigned int pid,
SectionCallback *section_cb, void *opaque,
int check_crc)
@ -183,7 +183,7 @@ MpegTSFilter *mpegts_open_section_filter(MpegTSContext *ts, unsigned int pid,
return filter;
}
MpegTSFilter *mpegts_open_pes_filter(MpegTSContext *ts, unsigned int pid,
static MpegTSFilter *mpegts_open_pes_filter(MpegTSContext *ts, unsigned int pid,
PESCallback *pes_cb,
void *opaque)
{
@ -205,7 +205,7 @@ MpegTSFilter *mpegts_open_pes_filter(MpegTSContext *ts, unsigned int pid,
return filter;
}
void mpegts_close_filter(MpegTSContext *ts, MpegTSFilter *filter)
static void mpegts_close_filter(MpegTSContext *ts, MpegTSFilter *filter)
{
int pid;
@ -609,7 +609,7 @@ static void pat_scan_cb(void *opaque, const uint8_t *section, int section_len)
ts->pat_filter = NULL;
}
void mpegts_set_service(MpegTSContext *ts, int sid,
static void mpegts_set_service(MpegTSContext *ts, int sid,
SetServiceCallback *set_service_cb, void *opaque)
{
ts->set_service_cb = set_service_cb;
@ -696,7 +696,7 @@ static void sdt_cb(void *opaque, const uint8_t *section, int section_len)
}
/* scan services in a transport stream by looking at the SDT */
void mpegts_scan_sdt(MpegTSContext *ts)
static void mpegts_scan_sdt(MpegTSContext *ts)
{
ts->sdt_filter = mpegts_open_section_filter(ts, SDT_PID,
sdt_cb, ts, 1);
@ -704,7 +704,7 @@ void mpegts_scan_sdt(MpegTSContext *ts)
/* scan services in a transport stream by looking at the PAT (better
than nothing !) */
void mpegts_scan_pat(MpegTSContext *ts)
static void mpegts_scan_pat(MpegTSContext *ts)
{
ts->pat_filter = mpegts_open_section_filter(ts, PAT_PID,
pat_scan_cb, ts, 1);

4
libavformat/mpegtsenc.c
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@ -34,7 +34,7 @@ typedef struct MpegTSSection {
} MpegTSSection;
/* NOTE: 4 bytes must be left at the end for the crc32 */
void mpegts_write_section(MpegTSSection *s, uint8_t *buf, int len)
static void mpegts_write_section(MpegTSSection *s, uint8_t *buf, int len)
{
unsigned int crc;
unsigned char packet[TS_PACKET_SIZE];
@ -89,7 +89,7 @@ static inline void put16(uint8_t **q_ptr, int val)
*q_ptr = q;
}
int mpegts_write_section1(MpegTSSection *s, int tid, int id,
static int mpegts_write_section1(MpegTSSection *s, int tid, int id,
int version, int sec_num, int last_sec_num,
uint8_t *buf, int len)
{

6
libavformat/rtsp.c
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@ -145,7 +145,7 @@ static int sdp_parse_rtpmap(AVCodecContext *codec, int payload_type, const char
char buf[256];
int i;
AVCodec *c;
char *c_name;
const char *c_name;
/* Loop into AVRtpDynamicPayloadTypes[] and AVRtpPayloadTypes[] and
see if we can handle this kind of payload */
@ -169,7 +169,7 @@ static int sdp_parse_rtpmap(AVCodecContext *codec, int payload_type, const char
c = avcodec_find_decoder(codec->codec_id);
if (c && c->name)
c_name = (char *)c->name;
c_name = c->name;
else
c_name = (char *)NULL;
@ -255,7 +255,7 @@ static void sdp_parse_fmtp_config(AVCodecContext *codec, char *attr, char *value
typedef struct attrname_map
{
char *str;
const char *str;
uint16_t type;
uint32_t offset;
} attrname_map_t;

14
libavformat/udp.c
View File

@ -51,7 +51,7 @@ typedef struct {
#ifdef CONFIG_IPV6
int udp_ipv6_is_multicast_address(const struct sockaddr *addr) {
static int udp_ipv6_is_multicast_address(const struct sockaddr *addr) {
if (addr->sa_family == AF_INET)
return IN_MULTICAST(ntohl(((struct sockaddr_in *)addr)->sin_addr.s_addr));
if (addr->sa_family == AF_INET6)
@ -59,7 +59,7 @@ int udp_ipv6_is_multicast_address(const struct sockaddr *addr) {
return -1;
}
int udp_ipv6_set_multicast_ttl(int sockfd, int mcastTTL, struct sockaddr *addr) {
static int udp_ipv6_set_multicast_ttl(int sockfd, int mcastTTL, struct sockaddr *addr) {
if (addr->sa_family == AF_INET) {
if (setsockopt(sockfd, IPPROTO_IP, IP_MULTICAST_TTL, &mcastTTL, sizeof(mcastTTL)) < 0) {
perror("setsockopt(IP_MULTICAST_TTL)");
@ -75,7 +75,7 @@ int udp_ipv6_set_multicast_ttl(int sockfd, int mcastTTL, struct sockaddr *addr)
return 0;
}
int udp_ipv6_join_multicast_group(int sockfd, struct sockaddr *addr) {
static int udp_ipv6_join_multicast_group(int sockfd, struct sockaddr *addr) {
struct ip_mreq mreq;
struct ipv6_mreq mreq6;
if (addr->sa_family == AF_INET) {
@ -97,7 +97,7 @@ int udp_ipv6_join_multicast_group(int sockfd, struct sockaddr *addr) {
return 0;
}
int udp_ipv6_leave_multicast_group(int sockfd, struct sockaddr *addr) {
static int udp_ipv6_leave_multicast_group(int sockfd, struct sockaddr *addr) {
struct ip_mreq mreq;
struct ipv6_mreq mreq6;
if (addr->sa_family == AF_INET) {
@ -119,7 +119,7 @@ int udp_ipv6_leave_multicast_group(int sockfd, struct sockaddr *addr) {
return 0;
}
struct addrinfo* udp_ipv6_resolve_host(const char *hostname, int port, int type, int family, int flags) {
static struct addrinfo* udp_ipv6_resolve_host(const char *hostname, int port, int type, int family, int flags) {
struct addrinfo hints, *res = 0;
int error;
char sport[16];
@ -144,7 +144,7 @@ struct addrinfo* udp_ipv6_resolve_host(const char *hostname, int port, int type,
return res;
}
int udp_ipv6_set_remote_url(URLContext *h, const char *uri) {
static int udp_ipv6_set_remote_url(URLContext *h, const char *uri) {
UDPContext *s = h->priv_data;
char hostname[256];
int port;
@ -158,7 +158,7 @@ int udp_ipv6_set_remote_url(URLContext *h, const char *uri) {
return 0;
}
int udp_ipv6_set_local(URLContext *h) {
static int udp_ipv6_set_local(URLContext *h) {
UDPContext *s = h->priv_data;
int udp_fd = -1;
struct sockaddr_storage clientaddr;

6
libpostproc/postprocess.c
View File

@ -161,7 +161,7 @@ static struct PPFilter filters[]=
{NULL, NULL,0,0,0,0} //End Marker
};
static char *replaceTable[]=
static const char *replaceTable[]=
{
"default", "hdeblock:a,vdeblock:a,dering:a",
"de", "hdeblock:a,vdeblock:a,dering:a",
@ -766,8 +766,8 @@ pp_mode_t *pp_get_mode_by_name_and_quality(char *name, int quality)
{
char temp[GET_MODE_BUFFER_SIZE];
char *p= temp;
char *filterDelimiters= ",/";
char *optionDelimiters= ":";
const char *filterDelimiters= ",/";
const char *optionDelimiters= ":";
struct PPMode *ppMode;
char *filterToken;

4
libpostproc/postprocess_internal.h
View File

@ -79,8 +79,8 @@ static inline int CLIP(int a){
* Postprocessng filter.
*/
struct PPFilter{
char *shortName;
char *longName;
const char *shortName;
const char *longName;
int chromDefault; ///< is chrominance filtering on by default if this filter is manually activated
int minLumQuality; ///< minimum quality to turn luminance filtering on
int minChromQuality; ///< minimum quality to turn chrominance filtering on

4
vhook/watermark.c
View File

@ -164,7 +164,7 @@ int Configure(void **ctxp, int argc, char *argv[])
/****************************************************************************
* For mode 0 (the original one)
****************************************************************************/
void Process0(void *ctx,
static void Process0(void *ctx,
AVPicture *picture,
enum PixelFormat pix_fmt,
int src_width,
@ -276,7 +276,7 @@ void Process0(void *ctx,
/****************************************************************************
* For mode 1 (the original one)
****************************************************************************/
void Process1(void *ctx,
static void Process1(void *ctx,
AVPicture *picture,
enum PixelFormat pix_fmt,
int src_width,