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avformat: Constify the API wrt AV(In|Out)putFormat

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Also constify AVProbeData.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
pull/362/head
Andreas Rheinhardt 4 years ago committed by James Almer
parent f0c7fa2c48
commit 56450a0ee4
29 changed files with 84 additions and 78 deletions
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  1. 11
      doc/APIchanges
  2. 2
      doc/examples/muxing.c
  3. 2
      doc/examples/remuxing.c
  4. 12
      fftools/ffmpeg_opt.c
  5. 7
      fftools/ffplay.c
  6. 2
      fftools/ffprobe.c
  7. 2
      libavdevice/internal.h
  8. 2
      libavdevice/utils.c
  9. 2
      libavfilter/lavfutils.c
  10. 2
      libavfilter/src_movie.c
  11. 44
      libavformat/avformat.h
  12. 2
      libavformat/avidec.c
  13. 2
      libavformat/dashdec.c
  14. 4
      libavformat/fifo.c
  15. 33
      libavformat/format.c
  16. 2
      libavformat/hdsenc.c
  17. 2
      libavformat/hls.c
  18. 4
      libavformat/hlsenc.c
  19. 2
      libavformat/mpeg.c
  20. 2
      libavformat/mux.c
  21. 2
      libavformat/rtpdec_asf.c
  22. 2
      libavformat/rtpenc_chain.c
  23. 4
      libavformat/rtpenc_mpegts.c
  24. 2
      libavformat/sapdec.c
  25. 2
      libavformat/segment.c
  26. 2
      libavformat/smoothstreamingenc.c
  27. 2
      libavformat/utils.c
  28. 3
      libavformat/version.h
  29. 2
      libavformat/webm_chunk.c

11
doc/APIchanges
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@ -14,6 +14,17 @@ libavutil: 2017-10-21
API changes, most recent first:
2021-04-27 - xxxxxxxxxx - lavf yyyyyyyyy - avformat.h
Constified the pointers to AVInputFormats and AVOutputFormats
in AVFormatContext, avformat_alloc_output_context2(),
av_find_input_format(), av_probe_input_format(),
av_probe_input_format2(), av_probe_input_format3(),
av_probe_input_buffer2(), av_probe_input_buffer(),
avformat_open_input(), av_guess_format() and av_guess_codec().
Furthermore, constified the AVProbeData in av_probe_input_format(),
av_probe_input_format2() and av_probe_input_format3().
2021-04-19 - xxxxxxxxxx - lavu 56.74.100 - tx.h
Add AV_TX_FULL_IMDCT and AV_TX_UNALIGNED.

2
doc/examples/muxing.c
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@ -536,8 +536,8 @@ static void close_stream(AVFormatContext *oc, OutputStream *ost)
int main(int argc, char **argv)
{
OutputStream video_st = { 0 }, audio_st = { 0 };
const AVOutputFormat *fmt;
const char *filename;
AVOutputFormat *fmt;
AVFormatContext *oc;
AVCodec *audio_codec, *video_codec;
int ret;

2
doc/examples/remuxing.c
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@ -45,7 +45,7 @@ static void log_packet(const AVFormatContext *fmt_ctx, const AVPacket *pkt, cons
int main(int argc, char **argv)
{
AVOutputFormat *ofmt = NULL;
const AVOutputFormat *ofmt = NULL;
AVFormatContext *ifmt_ctx = NULL, *ofmt_ctx = NULL;
AVPacket pkt;
const char *in_filename, *out_filename;

12
fftools/ffmpeg_opt.c
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@ -1068,7 +1068,7 @@ static int open_input_file(OptionsContext *o, const char *filename)
{
InputFile *f;
AVFormatContext *ic;
AVInputFormat *file_iformat = NULL;
const AVInputFormat *file_iformat = NULL;
int err, i, ret;
int64_t timestamp;
AVDictionary *unused_opts = NULL;
@ -1117,20 +1117,22 @@ static int open_input_file(OptionsContext *o, const char *filename)
av_dict_set_int(&o->g->format_opts, "sample_rate", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i, 0);
}
if (o->nb_audio_channels) {
const AVClass *priv_class;
/* because we set audio_channels based on both the "ac" and
* "channel_layout" options, we need to check that the specified
* demuxer actually has the "channels" option before setting it */
if (file_iformat && file_iformat->priv_class &&
av_opt_find(&file_iformat->priv_class, "channels", NULL, 0,
if (file_iformat && (priv_class = file_iformat->priv_class) &&
av_opt_find(&priv_class, "channels", NULL, 0,
AV_OPT_SEARCH_FAKE_OBJ)) {
av_dict_set_int(&o->g->format_opts, "channels", o->audio_channels[o->nb_audio_channels - 1].u.i, 0);
}
}
if (o->nb_frame_rates) {
const AVClass *priv_class;
/* set the format-level framerate option;
* this is important for video grabbers, e.g. x11 */
if (file_iformat && file_iformat->priv_class &&
av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0,
if (file_iformat && (priv_class = file_iformat->priv_class) &&
av_opt_find(&priv_class, "framerate", NULL, 0,
AV_OPT_SEARCH_FAKE_OBJ)) {
av_dict_set(&o->g->format_opts, "framerate",
o->frame_rates[o->nb_frame_rates - 1].u.str, 0);

7
fftools/ffplay.c
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@ -203,7 +203,7 @@ typedef struct Decoder {
typedef struct VideoState {
SDL_Thread *read_tid;
AVInputFormat *iformat;
const AVInputFormat *iformat;
int abort_request;
int force_refresh;
int paused;
@ -308,7 +308,7 @@ typedef struct VideoState {
} VideoState;
/* options specified by the user */
static AVInputFormat *file_iformat;
static const AVInputFormat *file_iformat;
static const char *input_filename;
static const char *window_title;
static int default_width = 640;
@ -3075,7 +3075,8 @@ static int read_thread(void *arg)
return 0;
}
static VideoState *stream_open(const char *filename, AVInputFormat *iformat)
static VideoState *stream_open(const char *filename,
const AVInputFormat *iformat)
{
VideoState *is;

2
fftools/ffprobe.c
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@ -257,7 +257,7 @@ static const OptionDef *options;
/* FFprobe context */
static const char *input_filename;
static const char *print_input_filename;
static AVInputFormat *iformat = NULL;
static const AVInputFormat *iformat = NULL;
static struct AVHashContext *hash;

2
libavdevice/internal.h
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@ -22,7 +22,7 @@
#include "libavformat/avformat.h"
av_warn_unused_result
int ff_alloc_input_device_context(struct AVFormatContext **avctx, struct AVInputFormat *iformat,
int ff_alloc_input_device_context(struct AVFormatContext **avctx, const AVInputFormat *iformat,
const char *format);
#endif

2
libavdevice/utils.c
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@ -20,7 +20,7 @@
#include "libavutil/opt.h"
#include "libavformat/avformat.h"
int ff_alloc_input_device_context(AVFormatContext **avctx, AVInputFormat *iformat, const char *format)
int ff_alloc_input_device_context(AVFormatContext **avctx, const AVInputFormat *iformat, const char *format)
{
AVFormatContext *s;
int ret = 0;

2
libavfilter/lavfutils.c
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@ -26,7 +26,7 @@ int ff_load_image(uint8_t *data[4], int linesize[4],
int *w, int *h, enum AVPixelFormat *pix_fmt,
const char *filename, void *log_ctx)
{
AVInputFormat *iformat = NULL;
const AVInputFormat *iformat = NULL;
AVFormatContext *format_ctx = NULL;
const AVCodec *codec;
AVCodecContext *codec_ctx = NULL;

2
libavfilter/src_movie.c
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@ -205,7 +205,7 @@ static int guess_channel_layout(MovieStream *st, int st_index, void *log_ctx)
static av_cold int movie_common_init(AVFilterContext *ctx)
{
MovieContext *movie = ctx->priv;
AVInputFormat *iformat = NULL;
const AVInputFormat *iformat = NULL;
int64_t timestamp;
int nb_streams = 1, ret, i;
char default_streams[16], *stream_specs, *spec, *cursor;

44
libavformat/avformat.h
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@ -525,15 +525,6 @@ typedef struct AVOutputFormat {
* New public fields should be added right above.
*****************************************************************
*/
/**
* The ff_const59 define is not part of the public API and will
* be removed without further warning.
*/
#if FF_API_AVIOFORMAT
#define ff_const59
#else
#define ff_const59 const
#endif
/**
* size of private data so that it can be allocated in the wrapper
*/
@ -1235,14 +1226,14 @@ typedef struct AVFormatContext {
*
* Demuxing only, set by avformat_open_input().
*/
ff_const59 struct AVInputFormat *iformat;
const struct AVInputFormat *iformat;
/**
* The output container format.
*
* Muxing only, must be set by the caller before avformat_write_header().
*/
ff_const59 struct AVOutputFormat *oformat;
const struct AVOutputFormat *oformat;
/**
* Format private data. This is an AVOptions-enabled struct
@ -2088,7 +2079,7 @@ AVProgram *av_new_program(AVFormatContext *s, int id);
* @return >= 0 in case of success, a negative AVERROR code in case of
* failure
*/
int avformat_alloc_output_context2(AVFormatContext **ctx, ff_const59 AVOutputFormat *oformat,
int avformat_alloc_output_context2(AVFormatContext **ctx, const AVOutputFormat *oformat,
const char *format_name, const char *filename);
/**
@ -2099,7 +2090,7 @@ int avformat_alloc_output_context2(AVFormatContext **ctx, ff_const59 AVOutputFor
/**
* Find AVInputFormat based on the short name of the input format.
*/
ff_const59 AVInputFormat *av_find_input_format(const char *short_name);
const AVInputFormat *av_find_input_format(const char *short_name);
/**
* Guess the file format.
@ -2108,7 +2099,7 @@ ff_const59 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.
*/
ff_const59 AVInputFormat *av_probe_input_format(ff_const59 AVProbeData *pd, int is_opened);
const AVInputFormat *av_probe_input_format(const AVProbeData *pd, int is_opened);
/**
* Guess the file format.
@ -2122,7 +2113,8 @@ ff_const59 AVInputFormat *av_probe_input_format(ff_const59 AVProbeData *pd, int
* If the score is <= AVPROBE_SCORE_MAX / 4 it is recommended
* to retry with a larger probe buffer.
*/
ff_const59 AVInputFormat *av_probe_input_format2(ff_const59 AVProbeData *pd, int is_opened, int *score_max);
const AVInputFormat *av_probe_input_format2(const AVProbeData *pd,
int is_opened, int *score_max);
/**
* Guess the file format.
@ -2131,7 +2123,8 @@ ff_const59 AVInputFormat *av_probe_input_format2(ff_const59 AVProbeData *pd, int
* demuxers with or without AVFMT_NOFILE are probed.
* @param score_ret The score of the best detection.
*/
ff_const59 AVInputFormat *av_probe_input_format3(ff_const59 AVProbeData *pd, int is_opened, int *score_ret);
const AVInputFormat *av_probe_input_format3(const AVProbeData *pd,
int is_opened, int *score_ret);
/**
* Probe a bytestream to determine the input format. Each time a probe returns
@ -2149,14 +2142,14 @@ ff_const59 AVInputFormat *av_probe_input_format3(ff_const59 AVProbeData *pd, int
* the maximal score is AVPROBE_SCORE_MAX
* AVERROR code otherwise
*/
int av_probe_input_buffer2(AVIOContext *pb, ff_const59 AVInputFormat **fmt,
int av_probe_input_buffer2(AVIOContext *pb, const 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, ff_const59 AVInputFormat **fmt,
int av_probe_input_buffer(AVIOContext *pb, const AVInputFormat **fmt,
const char *url, void *logctx,
unsigned int offset, unsigned int max_probe_size);
@ -2179,7 +2172,8 @@ int av_probe_input_buffer(AVIOContext *pb, ff_const59 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, ff_const59 AVInputFormat *fmt, AVDictionary **options);
int avformat_open_input(AVFormatContext **ps, const char *url,
const AVInputFormat *fmt, AVDictionary **options);
#if FF_API_DEMUXER_OPEN
/**
@ -2570,16 +2564,16 @@ int av_write_trailer(AVFormatContext *s);
* @param mime_type if non-NULL checks if mime_type matches with the
* MIME type of the registered formats
*/
ff_const59 AVOutputFormat *av_guess_format(const char *short_name,
const char *filename,
const char *mime_type);
const AVOutputFormat *av_guess_format(const char *short_name,
const char *filename,
const char *mime_type);
/**
* Guess the codec ID based upon muxer and filename.
*/
enum AVCodecID av_guess_codec(ff_const59 AVOutputFormat *fmt, const char *short_name,
const char *filename, const char *mime_type,
enum AVMediaType type);
enum AVCodecID av_guess_codec(const AVOutputFormat *fmt, const char *short_name,
const char *filename, const char *mime_type,
enum AVMediaType type);
/**
* Get timing information for the data currently output.

2
libavformat/avidec.c
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@ -1092,7 +1092,7 @@ 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;
ff_const59 AVInputFormat *sub_demuxer;
const AVInputFormat *sub_demuxer;
AVRational time_base;
int size;
AVProbeData pd;

2
libavformat/dashdec.c
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@ -1879,7 +1879,7 @@ 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;
ff_const59 AVInputFormat *in_fmt = NULL;
const AVInputFormat *in_fmt = NULL;
AVDictionary *in_fmt_opts = NULL;
uint8_t *avio_ctx_buffer = NULL;
int ret = 0, i;

4
libavformat/fifo.c
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@ -469,7 +469,7 @@ static void *fifo_consumer_thread(void *data)
return NULL;
}
static int fifo_mux_init(AVFormatContext *avf, ff_const59 AVOutputFormat *oformat,
static int fifo_mux_init(AVFormatContext *avf, const AVOutputFormat *oformat,
const char *filename)
{
FifoContext *fifo = avf->priv_data;
@ -508,7 +508,7 @@ static int fifo_mux_init(AVFormatContext *avf, ff_const59 AVOutputFormat *oforma
static int fifo_init(AVFormatContext *avf)
{
FifoContext *fifo = avf->priv_data;
ff_const59 AVOutputFormat *oformat;
const AVOutputFormat *oformat;
int ret = 0;
if (fifo->recovery_wait_streamtime && !fifo->drop_pkts_on_overflow) {

33
libavformat/format.c
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@ -48,8 +48,8 @@ int av_match_ext(const char *filename, const char *extensions)
return 0;
}
ff_const59 AVOutputFormat *av_guess_format(const char *short_name, const char *filename,
const char *mime_type)
const AVOutputFormat *av_guess_format(const char *short_name, const char *filename,
const char *mime_type)
{
const AVOutputFormat *fmt = NULL;
AVOutputFormat *fmt_found = NULL;
@ -84,12 +84,12 @@ ff_const59 AVOutputFormat *av_guess_format(const char *short_name, const char *f
return fmt_found;
}
enum AVCodecID av_guess_codec(ff_const59 AVOutputFormat *fmt, const char *short_name,
enum AVCodecID av_guess_codec(const AVOutputFormat *fmt, const char *short_name,
const char *filename, const char *mime_type,
enum AVMediaType type)
{
if (av_match_name("segment", fmt->name) || av_match_name("ssegment", fmt->name)) {
ff_const59 AVOutputFormat *fmt2 = av_guess_format(NULL, filename, NULL);
const AVOutputFormat *fmt2 = av_guess_format(NULL, filename, NULL);
if (fmt2)
fmt = fmt2;
}
@ -115,7 +115,7 @@ enum AVCodecID av_guess_codec(ff_const59 AVOutputFormat *fmt, const char *short_
return AV_CODEC_ID_NONE;
}
ff_const59 AVInputFormat *av_find_input_format(const char *short_name)
const AVInputFormat *av_find_input_format(const char *short_name)
{
const AVInputFormat *fmt = NULL;
void *i = 0;
@ -125,12 +125,12 @@ ff_const59 AVInputFormat *av_find_input_format(const char *short_name)
return NULL;
}
ff_const59 AVInputFormat *av_probe_input_format3(ff_const59 AVProbeData *pd, int is_opened,
int *score_ret)
const AVInputFormat *av_probe_input_format3(const AVProbeData *pd,
int is_opened, int *score_ret)
{
AVProbeData lpd = *pd;
const AVInputFormat *fmt1 = NULL;
ff_const59 AVInputFormat *fmt = NULL;
const AVInputFormat *fmt = NULL;
int score, score_max = 0;
void *i = 0;
const static uint8_t zerobuffer[AVPROBE_PADDING_SIZE];
@ -191,7 +191,7 @@ ff_const59 AVInputFormat *av_probe_input_format3(ff_const59 AVProbeData *pd, int
}
if (score > score_max) {
score_max = score;
fmt = (AVInputFormat*)fmt1;
fmt = fmt1;
} else if (score == score_max)
fmt = NULL;
}
@ -202,10 +202,11 @@ ff_const59 AVInputFormat *av_probe_input_format3(ff_const59 AVProbeData *pd, int
return fmt;
}
ff_const59 AVInputFormat *av_probe_input_format2(ff_const59 AVProbeData *pd, int is_opened, int *score_max)
const AVInputFormat *av_probe_input_format2(const AVProbeData *pd,
int is_opened, int *score_max)
{
int score_ret;
ff_const59 AVInputFormat *fmt = av_probe_input_format3(pd, is_opened, &score_ret);
const AVInputFormat *fmt = av_probe_input_format3(pd, is_opened, &score_ret);
if (score_ret > *score_max) {
*score_max = score_ret;
return fmt;
@ -213,15 +214,15 @@ ff_const59 AVInputFormat *av_probe_input_format2(ff_const59 AVProbeData *pd, int
return NULL;
}
ff_const59 AVInputFormat *av_probe_input_format(ff_const59 AVProbeData *pd, int is_opened)
const AVInputFormat *av_probe_input_format(const AVProbeData *pd, int is_opened)
{
int score = 0;
return av_probe_input_format2(pd, is_opened, &score);
}
int av_probe_input_buffer2(AVIOContext *pb, ff_const59 AVInputFormat **fmt,
const char *filename, void *logctx,
unsigned int offset, unsigned int max_probe_size)
int av_probe_input_buffer2(AVIOContext *pb, const AVInputFormat **fmt,
const char *filename, void *logctx,
unsigned int offset, unsigned int max_probe_size)
{
AVProbeData pd = { filename ? filename : "" };
uint8_t *buf = NULL;
@ -309,7 +310,7 @@ fail:
return ret < 0 ? ret : score;
}
int av_probe_input_buffer(AVIOContext *pb, ff_const59 AVInputFormat **fmt,
int av_probe_input_buffer(AVIOContext *pb, const AVInputFormat **fmt,
const char *filename, void *logctx,
unsigned int offset, unsigned int max_probe_size)
{

2
libavformat/hdsenc.c
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@ -313,8 +313,8 @@ static void close_file(AVFormatContext *s, OutputStream *os)
static int hds_write_header(AVFormatContext *s)
{
HDSContext *c = s->priv_data;
const AVOutputFormat *oformat;
int ret = 0, i;
ff_const59 AVOutputFormat *oformat;
if (mkdir(s->url, 0777) == -1 && errno != EEXIST) {
av_log(s, AV_LOG_ERROR , "Failed to create directory %s\n", s->url);

2
libavformat/hls.c
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@ -1957,8 +1957,8 @@ 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];
const AVInputFormat *in_fmt = NULL;
char *url;
ff_const59 AVInputFormat *in_fmt = NULL;
if (!(pls->ctx = avformat_alloc_context())) {
ret = AVERROR(ENOMEM);

4
libavformat/hlsenc.c
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@ -119,8 +119,8 @@ typedef struct VariantStream {
unsigned var_stream_idx;
unsigned number;
int64_t sequence;
ff_const59 AVOutputFormat *oformat;
ff_const59 AVOutputFormat *vtt_oformat;
const AVOutputFormat *oformat;
const AVOutputFormat *vtt_oformat;
AVIOContext *out;
AVIOContext *out_single_file;
int packets_written;

2
libavformat/mpeg.c
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@ -732,6 +732,7 @@ static int vobsub_read_header(AVFormatContext *s)
{
int i, ret = 0, header_parsed = 0, langidx = 0;
VobSubDemuxContext *vobsub = s->priv_data;
const AVInputFormat *iformat;
size_t fname_len;
AVBPrint header;
int64_t delay = 0;
@ -739,7 +740,6 @@ static int vobsub_read_header(AVFormatContext *s)
int stream_id = -1;
char id[64] = {0};
char alt[MAX_LINE_SIZE] = {0};
ff_const59 AVInputFormat *iformat;
if (!vobsub->sub_name) {
char *ext;

2
libavformat/mux.c
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@ -133,7 +133,7 @@ enum AVChromaLocation ff_choose_chroma_location(AVFormatContext *s, AVStream *st
}
int avformat_alloc_output_context2(AVFormatContext **avctx, ff_const59 AVOutputFormat *oformat,
int avformat_alloc_output_context2(AVFormatContext **avctx, const AVOutputFormat *oformat,
const char *format, const char *filename)
{
AVFormatContext *s = avformat_alloc_context();

2
libavformat/rtpdec_asf.c
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@ -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);
ff_const59 AVInputFormat *iformat;
const AVInputFormat *iformat;
if (!buf)
return AVERROR(ENOMEM);

2
libavformat/rtpenc_chain.c
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@ -31,7 +31,7 @@ int ff_rtp_chain_mux_open(AVFormatContext **out, AVFormatContext *s,
{
AVFormatContext *rtpctx = NULL;
int ret;
ff_const59 AVOutputFormat *rtp_format = av_guess_format("rtp", NULL, NULL);
const AVOutputFormat *rtp_format = av_guess_format("rtp", NULL, NULL);
uint8_t *rtpflags;
AVDictionary *opts = NULL;

4
libavformat/rtpenc_mpegts.c
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@ -56,8 +56,8 @@ static int rtp_mpegts_write_header(AVFormatContext *s)
{
MuxChain *chain = s->priv_data;
AVFormatContext *mpegts_ctx = NULL, *rtp_ctx = NULL;
ff_const59 AVOutputFormat *mpegts_format = av_guess_format("mpegts", NULL, NULL);
ff_const59 AVOutputFormat *rtp_format = av_guess_format("rtp", NULL, NULL);
const AVOutputFormat *mpegts_format = av_guess_format("mpegts", NULL, NULL);
const AVOutputFormat *rtp_format = av_guess_format("rtp", NULL, NULL);
int i, ret = AVERROR(ENOMEM);
AVStream *st;
AVDictionary *mpegts_muxer_options = NULL;

2
libavformat/sapdec.c
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@ -65,9 +65,9 @@ static int sap_read_header(AVFormatContext *s)
struct SAPState *sap = s->priv_data;
char host[1024], path[1024], url[1024];
uint8_t recvbuf[RTP_MAX_PACKET_LENGTH];
const AVInputFormat *infmt;
int port;
int ret, i;
ff_const59 AVInputFormat* infmt;
if (!ff_network_init())
return AVERROR(EIO);

2
libavformat/segment.c
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@ -72,7 +72,7 @@ typedef struct SegmentContext {
int segment_idx_wrap; ///< number after which the index wraps
int segment_idx_wrap_nb; ///< number of time the index has wraped
int segment_count; ///< number of segment files already written
ff_const59 AVOutputFormat *oformat;
const AVOutputFormat *oformat;
AVFormatContext *avf;
char *format; ///< format to use for output segment files
AVDictionary *format_options;

2
libavformat/smoothstreamingenc.c
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@ -283,7 +283,7 @@ static int ism_write_header(AVFormatContext *s)
{
SmoothStreamingContext *c = s->priv_data;
int ret = 0, i;
ff_const59 AVOutputFormat *oformat;
const AVOutputFormat *oformat;
if (mkdir(s->url, 0777) == -1 && errno != EEXIST) {
av_log(s, AV_LOG_ERROR, "mkdir failed\n");

2
libavformat/utils.c
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@ -545,7 +545,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
int avformat_open_input(AVFormatContext **ps, const char *filename,
ff_const59 AVInputFormat *fmt, AVDictionary **options)
const AVInputFormat *fmt, AVDictionary **options)
{
AVFormatContext *s = *ps;
int i, ret = 0;

3
libavformat/version.h
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@ -97,9 +97,6 @@
#ifndef FF_API_LAVF_MP4A_LATM
#define FF_API_LAVF_MP4A_LATM (LIBAVFORMAT_VERSION_MAJOR < 59)
#endif
#ifndef FF_API_AVIOFORMAT
#define FF_API_AVIOFORMAT (LIBAVFORMAT_VERSION_MAJOR < 59)
#endif
#ifndef FF_API_DEMUXER_OPEN
#define FF_API_DEMUXER_OPEN (LIBAVFORMAT_VERSION_MAJOR < 59)
#endif

2
libavformat/webm_chunk.c
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@ -50,7 +50,7 @@ typedef struct WebMChunkContext {
static int webm_chunk_init(AVFormatContext *s)
{
WebMChunkContext *wc = s->priv_data;
ff_const59 AVOutputFormat *oformat;
const AVOutputFormat *oformat;
AVFormatContext *oc;
AVStream *st, *ost = s->streams[0];
AVDictionary *dict = NULL;

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