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lavf: Constify AVInputFormat pointer.

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This commit is contained in:
Carl Eugen Hoyos 2019-03-20 18:52:38 +01:00
parent 9461e4bc69
commit 3aa6208db9
11 changed files with 36 additions and 27 deletions
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9
libavformat/allformats.c
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@ -210,6 +210,7 @@ extern AVInputFormat ff_ivr_demuxer;
extern AVInputFormat ff_jacosub_demuxer;
extern AVOutputFormat ff_jacosub_muxer;
extern AVInputFormat ff_jv_demuxer;
extern AVInputFormat ff_kux_demuxer;
extern AVOutputFormat ff_latm_muxer;
extern AVInputFormat ff_lmlm4_demuxer;
extern AVInputFormat ff_loas_demuxer;
@ -583,7 +584,11 @@ AVInputFormat *av_iformat_next(const AVInputFormat *f)
ff_thread_once(&av_format_next_init, av_format_init_next);
if (f)
#if FF_API_AVIOFORMAT
return f->next;
#else
return (AVInputFormat *) f->next;
#endif
else {
void *opaque = NULL;
return (AVInputFormat *)av_demuxer_iterate(&opaque);
@ -595,7 +600,11 @@ AVOutputFormat *av_oformat_next(const AVOutputFormat *f)
ff_thread_once(&av_format_next_init, av_format_init_next);
if (f)
#if FF_API_AVIOFORMAT
return f->next;
#else
return (AVOutputFormat *) f->next;
#endif
else {
void *opaque = NULL;
return (AVOutputFormat *)av_muxer_iterate(&opaque);

18
libavformat/avformat.h
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@ -681,7 +681,7 @@ typedef struct AVInputFormat {
* New public fields should be added right above.
*****************************************************************
*/
struct AVInputFormat *next;
ff_const59 struct AVInputFormat *next;
/**
* Raw demuxers store their codec ID here.
@ -1351,7 +1351,7 @@ typedef struct AVFormatContext {
*
* Demuxing only, set by avformat_open_input().
*/
struct AVInputFormat *iformat;
ff_const59 struct AVInputFormat *iformat;
/**
* The output container format.
@ -2227,7 +2227,7 @@ int avformat_alloc_output_context2(AVFormatContext **ctx, ff_const59 AVOutputFor
/**
* Find AVInputFormat based on the short name of the input format.
*/
AVInputFormat *av_find_input_format(const char *short_name);
ff_const59 AVInputFormat *av_find_input_format(const char *short_name);
/**
* Guess the file format.
@ -2236,7 +2236,7 @@ AVInputFormat *av_find_input_format(const char *short_name);
* @param is_opened Whether the file is already opened; determines whether
* demuxers with or without AVFMT_NOFILE are probed.
*/
AVInputFormat *av_probe_input_format(AVProbeData *pd, int is_opened);
ff_const59 AVInputFormat *av_probe_input_format(AVProbeData *pd, int is_opened);
/**
* Guess the file format.
@ -2250,7 +2250,7 @@ AVInputFormat *av_probe_input_format(AVProbeData *pd, int is_opened);
* If the score is <= AVPROBE_SCORE_MAX / 4 it is recommended
* to retry with a larger probe buffer.
*/
AVInputFormat *av_probe_input_format2(AVProbeData *pd, int is_opened, int *score_max);
ff_const59 AVInputFormat *av_probe_input_format2(AVProbeData *pd, int is_opened, int *score_max);
/**
* Guess the file format.
@ -2259,7 +2259,7 @@ AVInputFormat *av_probe_input_format2(AVProbeData *pd, int is_opened, int *score
* demuxers with or without AVFMT_NOFILE are probed.
* @param score_ret The score of the best detection.
*/
AVInputFormat *av_probe_input_format3(AVProbeData *pd, int is_opened, int *score_ret);
ff_const59 AVInputFormat *av_probe_input_format3(AVProbeData *pd, int is_opened, int *score_ret);
/**
* Probe a bytestream to determine the input format. Each time a probe returns
@ -2277,14 +2277,14 @@ AVInputFormat *av_probe_input_format3(AVProbeData *pd, int is_opened, int *score
* the maximal score is AVPROBE_SCORE_MAX
* AVERROR code otherwise
*/
int av_probe_input_buffer2(AVIOContext *pb, AVInputFormat **fmt,
int av_probe_input_buffer2(AVIOContext *pb, ff_const59 AVInputFormat **fmt,
const char *url, void *logctx,
unsigned int offset, unsigned int max_probe_size);
/**
* Like av_probe_input_buffer2() but returns 0 on success
*/
int av_probe_input_buffer(AVIOContext *pb, AVInputFormat **fmt,
int av_probe_input_buffer(AVIOContext *pb, ff_const59 AVInputFormat **fmt,
const char *url, void *logctx,
unsigned int offset, unsigned int max_probe_size);
@ -2307,7 +2307,7 @@ int av_probe_input_buffer(AVIOContext *pb, AVInputFormat **fmt,
*
* @note If you want to use custom IO, preallocate the format context and set its pb field.
*/
int avformat_open_input(AVFormatContext **ps, const char *url, AVInputFormat *fmt, AVDictionary **options);
int avformat_open_input(AVFormatContext **ps, const char *url, ff_const59 AVInputFormat *fmt, AVDictionary **options);
attribute_deprecated
int av_demuxer_open(AVFormatContext *ic);

2
libavformat/avidec.c
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@ -1068,7 +1068,7 @@ static int read_gab2_sub(AVFormatContext *s, AVStream *st, AVPacket *pkt)
uint8_t desc[256];
int score = AVPROBE_SCORE_EXTENSION, ret;
AVIStream *ast = st->priv_data;
AVInputFormat *sub_demuxer;
ff_const59 AVInputFormat *sub_demuxer;
AVRational time_base;
int size;
AVIOContext *pb = avio_alloc_context(pkt->data + 7,

2
libavformat/dashdec.c
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@ -1851,7 +1851,7 @@ static void close_demux_for_component(struct representation *pls)
static int reopen_demux_for_component(AVFormatContext *s, struct representation *pls)
{
DASHContext *c = s->priv_data;
AVInputFormat *in_fmt = NULL;
ff_const59 AVInputFormat *in_fmt = NULL;
AVDictionary *in_fmt_opts = NULL;
uint8_t *avio_ctx_buffer = NULL;
int ret = 0, i;

16
libavformat/format.c
View File

@ -115,7 +115,7 @@ enum AVCodecID av_guess_codec(ff_const59 AVOutputFormat *fmt, const char *short_
return AV_CODEC_ID_NONE;
}
AVInputFormat *av_find_input_format(const char *short_name)
ff_const59 AVInputFormat *av_find_input_format(const char *short_name)
{
const AVInputFormat *fmt = NULL;
void *i = 0;
@ -125,12 +125,12 @@ AVInputFormat *av_find_input_format(const char *short_name)
return NULL;
}
AVInputFormat *av_probe_input_format3(AVProbeData *pd, int is_opened,
ff_const59 AVInputFormat *av_probe_input_format3(AVProbeData *pd, int is_opened,
int *score_ret)
{
AVProbeData lpd = *pd;
const AVInputFormat *fmt1 = NULL;
AVInputFormat *fmt = NULL;
ff_const59 AVInputFormat *fmt = NULL;
int score, score_max = 0;
void *i = 0;
const static uint8_t zerobuffer[AVPROBE_PADDING_SIZE];
@ -202,10 +202,10 @@ AVInputFormat *av_probe_input_format3(AVProbeData *pd, int is_opened,
return fmt;
}
AVInputFormat *av_probe_input_format2(AVProbeData *pd, int is_opened, int *score_max)
ff_const59 AVInputFormat *av_probe_input_format2(AVProbeData *pd, int is_opened, int *score_max)
{
int score_ret;
AVInputFormat *fmt = av_probe_input_format3(pd, is_opened, &score_ret);
ff_const59 AVInputFormat *fmt = av_probe_input_format3(pd, is_opened, &score_ret);
if (score_ret > *score_max) {
*score_max = score_ret;
return fmt;
@ -213,13 +213,13 @@ AVInputFormat *av_probe_input_format2(AVProbeData *pd, int is_opened, int *score
return NULL;
}
AVInputFormat *av_probe_input_format(AVProbeData *pd, int is_opened)
ff_const59 AVInputFormat *av_probe_input_format(AVProbeData *pd, int is_opened)
{
int score = 0;
return av_probe_input_format2(pd, is_opened, &score);
}
int av_probe_input_buffer2(AVIOContext *pb, AVInputFormat **fmt,
int av_probe_input_buffer2(AVIOContext *pb, ff_const59 AVInputFormat **fmt,
const char *filename, void *logctx,
unsigned int offset, unsigned int max_probe_size)
{
@ -309,7 +309,7 @@ fail:
return ret < 0 ? ret : score;
}
int av_probe_input_buffer(AVIOContext *pb, AVInputFormat **fmt,
int av_probe_input_buffer(AVIOContext *pb, ff_const59 AVInputFormat **fmt,
const char *filename, void *logctx,
unsigned int offset, unsigned int max_probe_size)
{

2
libavformat/hls.c
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@ -1868,7 +1868,7 @@ static int hls_read_header(AVFormatContext *s)
/* Open the demuxer for each playlist */
for (i = 0; i < c->n_playlists; i++) {
struct playlist *pls = c->playlists[i];
AVInputFormat *in_fmt = NULL;
ff_const59 AVInputFormat *in_fmt = NULL;
if (!(pls->ctx = avformat_alloc_context())) {
ret = AVERROR(ENOMEM);

2
libavformat/img2dec.c
View File

@ -424,7 +424,7 @@ int ff_img_read_packet(AVFormatContext *s1, AVPacket *pkt)
if (par->codec_id == AV_CODEC_ID_NONE) {
AVProbeData pd = { 0 };
AVInputFormat *ifmt;
const AVInputFormat *ifmt;
uint8_t header[PROBE_BUF_MIN + AVPROBE_PADDING_SIZE];
int ret;
int score = 0;

2
libavformat/mpeg.c
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@ -722,7 +722,7 @@ static int vobsub_read_header(AVFormatContext *s)
int stream_id = -1;
char id[64] = {0};
char alt[MAX_LINE_SIZE] = {0};
AVInputFormat *iformat;
ff_const59 AVInputFormat *iformat;
if (!vobsub->sub_name) {
char *ext;

2
libavformat/rtpdec_asf.c
View File

@ -106,7 +106,7 @@ int ff_wms_parse_sdp_a_line(AVFormatContext *s, const char *p)
AVDictionary *opts = NULL;
int len = strlen(p) * 6 / 8;
char *buf = av_mallocz(len);
AVInputFormat *iformat;
ff_const59 AVInputFormat *iformat;
if (!buf)
return AVERROR(ENOMEM);

2
libavformat/sapdec.c
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@ -68,7 +68,7 @@ static int sap_read_header(AVFormatContext *s)
uint8_t recvbuf[RTP_MAX_PACKET_LENGTH];
int port;
int ret, i;
AVInputFormat* infmt;
ff_const59 AVInputFormat* infmt;
if (!ff_network_init())
return AVERROR(EIO);

6
libavformat/utils.c
View File

@ -357,7 +357,7 @@ static int set_codec_from_probe_data(AVFormatContext *s, AVStream *st,
{ 0 }
};
int score;
AVInputFormat *fmt = av_probe_input_format3(pd, 1, &score);
const AVInputFormat *fmt = av_probe_input_format3(pd, 1, &score);
if (fmt) {
int i;
@ -535,7 +535,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
int avformat_open_input(AVFormatContext **ps, const char *filename,
AVInputFormat *fmt, AVDictionary **options)
ff_const59 AVInputFormat *fmt, AVDictionary **options)
{
AVFormatContext *s = *ps;
int i, ret = 0;
@ -2163,7 +2163,7 @@ static int64_t ff_read_timestamp(AVFormatContext *s, int stream_index, int64_t *
int ff_seek_frame_binary(AVFormatContext *s, int stream_index,
int64_t target_ts, int flags)
{
AVInputFormat *avif = s->iformat;
const AVInputFormat *avif = s->iformat;
int64_t av_uninit(pos_min), av_uninit(pos_max), pos, pos_limit;
int64_t ts_min, ts_max, ts;
int index;