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avformat/utils: Move stream_options, avformat_new_stream to options.c

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This is the appropriate place given that AVStream is about to
become an AVOpt-enabled struct.
Also move av_disposition_(to|from)_string, as these are tied
to the disposition stream option.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2022-05-06 15:23:34 +02:00
parent 7547f13548
commit b9f6d416ec
5 changed files with 169 additions and 157 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libavformat/avidec.c
View File

@ -621,7 +621,7 @@ static int avi_read_header(AVFormatContext *s)
ast = s->streams[0]->priv_data;
st->priv_data = NULL;
ff_free_stream(s, st);
ff_remove_stream(s, st);
avi->dv_demux = avpriv_dv_init_demux(s);
if (!avi->dv_demux) {

12
libavformat/internal.h
View File

@ -742,7 +742,17 @@ int ff_read_packet(AVFormatContext *s, AVPacket *pkt);
int ff_add_attached_pic(AVFormatContext *s, AVStream *st, AVIOContext *pb,
AVBufferRef **buf, int size);
void ff_free_stream(AVFormatContext *s, AVStream *st);
/**
* Frees a stream without modifying the corresponding AVFormatContext.
* Must only be called if the latter doesn't matter or if the stream
* is not yet attached to an AVFormatContext.
*/
void ff_free_stream(AVStream **st);
/**
* Remove a stream from its AVFormatContext and free it.
* The stream must be the last stream of the AVFormatContext.
*/
void ff_remove_stream(AVFormatContext *s, AVStream *st);
unsigned int ff_codec_get_tag(const AVCodecTag *tags, enum AVCodecID id);

151
libavformat/options.c
View File

@ -21,8 +21,12 @@
#include "avio_internal.h"
#include "internal.h"
#include "libavcodec/avcodec.h"
#include "libavcodec/codec_par.h"
#include "libavutil/avassert.h"
#include "libavutil/internal.h"
#include "libavutil/intmath.h"
#include "libavutil/opt.h"
/**
@ -188,3 +192,150 @@ const AVClass *avformat_get_class(void)
{
return &av_format_context_class;
}
static const AVOption stream_options[] = {
{ "disposition", NULL, offsetof(AVStream, disposition), AV_OPT_TYPE_FLAGS, { .i64 = 0 },
.flags = AV_OPT_FLAG_ENCODING_PARAM, .unit = "disposition" },
{ "default", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEFAULT }, .unit = "disposition" },
{ "dub", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DUB }, .unit = "disposition" },
{ "original", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ORIGINAL }, .unit = "disposition" },
{ "comment", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_COMMENT }, .unit = "disposition" },
{ "lyrics", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_LYRICS }, .unit = "disposition" },
{ "karaoke", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_KARAOKE }, .unit = "disposition" },
{ "forced", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_FORCED }, .unit = "disposition" },
{ "hearing_impaired", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_HEARING_IMPAIRED }, .unit = "disposition" },
{ "visual_impaired", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_VISUAL_IMPAIRED }, .unit = "disposition" },
{ "clean_effects", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CLEAN_EFFECTS }, .unit = "disposition" },
{ "attached_pic", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ATTACHED_PIC }, .unit = "disposition" },
{ "timed_thumbnails", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_TIMED_THUMBNAILS }, .unit = "disposition" },
{ "captions", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CAPTIONS }, .unit = "disposition" },
{ "descriptions", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DESCRIPTIONS }, .unit = "disposition" },
{ "metadata", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_METADATA }, .unit = "disposition" },
{ "dependent", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEPENDENT }, .unit = "disposition" },
{ "still_image", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_STILL_IMAGE }, .unit = "disposition" },
{ NULL }
};
static const AVClass stream_class = {
.class_name = "AVStream",
.item_name = av_default_item_name,
.version = LIBAVUTIL_VERSION_INT,
.option = stream_options,
};
const AVClass *av_stream_get_class(void)
{
return &stream_class;
}
AVStream *avformat_new_stream(AVFormatContext *s, const AVCodec *c)
{
FFFormatContext *const si = ffformatcontext(s);
FFStream *sti;
AVStream *st;
AVStream **streams;
if (s->nb_streams >= s->max_streams) {
av_log(s, AV_LOG_ERROR, "Number of streams exceeds max_streams parameter"
" (%d), see the documentation if you wish to increase it\n",
s->max_streams);
return NULL;
}
streams = av_realloc_array(s->streams, s->nb_streams + 1, sizeof(*streams));
if (!streams)
return NULL;
s->streams = streams;
sti = av_mallocz(sizeof(*sti));
if (!sti)
return NULL;
st = &sti->pub;
#if FF_API_AVSTREAM_CLASS
st->av_class = &stream_class;
#endif
st->codecpar = avcodec_parameters_alloc();
if (!st->codecpar)
goto fail;
sti->avctx = avcodec_alloc_context3(NULL);
if (!sti->avctx)
goto fail;
if (s->iformat) {
sti->info = av_mallocz(sizeof(*sti->info));
if (!sti->info)
goto fail;
#if FF_API_R_FRAME_RATE
sti->info->last_dts = AV_NOPTS_VALUE;
#endif
sti->info->fps_first_dts = AV_NOPTS_VALUE;
sti->info->fps_last_dts = AV_NOPTS_VALUE;
/* default pts setting is MPEG-like */
avpriv_set_pts_info(st, 33, 1, 90000);
/* we set the current DTS to 0 so that formats without any timestamps
* but durations get some timestamps, formats with some unknown
* timestamps have their first few packets buffered and the
* timestamps corrected before they are returned to the user */
sti->cur_dts = RELATIVE_TS_BASE;
} else {
sti->cur_dts = AV_NOPTS_VALUE;
}
st->index = s->nb_streams;
st->start_time = AV_NOPTS_VALUE;
st->duration = AV_NOPTS_VALUE;
sti->first_dts = AV_NOPTS_VALUE;
sti->probe_packets = s->max_probe_packets;
sti->pts_wrap_reference = AV_NOPTS_VALUE;
sti->pts_wrap_behavior = AV_PTS_WRAP_IGNORE;
sti->last_IP_pts = AV_NOPTS_VALUE;
sti->last_dts_for_order_check = AV_NOPTS_VALUE;
for (int i = 0; i < MAX_REORDER_DELAY + 1; i++)
sti->pts_buffer[i] = AV_NOPTS_VALUE;
st->sample_aspect_ratio = (AVRational) { 0, 1 };
sti->inject_global_side_data = si->inject_global_side_data;
sti->need_context_update = 1;
s->streams[s->nb_streams++] = st;
return st;
fail:
ff_free_stream(&st);
return NULL;
}
static int option_is_disposition(const AVOption *opt)
{
return opt->type == AV_OPT_TYPE_CONST &&
opt->unit && !strcmp(opt->unit, "disposition");
}
int av_disposition_from_string(const char *disp)
{
for (const AVOption *opt = stream_options; opt->name; opt++)
if (option_is_disposition(opt) && !strcmp(disp, opt->name))
return opt->default_val.i64;
return AVERROR(EINVAL);
}
const char *av_disposition_to_string(int disposition)
{
int val;
if (disposition <= 0)
return NULL;
val = 1 << ff_ctz(disposition);
for (const AVOption *opt = stream_options; opt->name; opt++)
if (option_is_disposition(opt) && opt->default_val.i64 == val)
return opt->name;
return NULL;
}

2
libavformat/rmdec.c
View File

@ -349,7 +349,7 @@ int ff_rm_read_mdpr_codecdata(AVFormatContext *s, AVIOContext *pb,
st->codecpar->codec_tag);
} else if(mime && !strcmp(mime, "logical-fileinfo")){
int stream_count, rule_count, property_count, i;
ff_free_stream(s, st);
ff_remove_stream(s, st);
if (avio_rb16(pb) != 0) {
av_log(s, AV_LOG_WARNING, "Unsupported version\n");
goto skip;

159
libavformat/utils.c
View File

@ -28,7 +28,6 @@
#include "libavutil/bprint.h"
#include "libavutil/dict.h"
#include "libavutil/internal.h"
#include "libavutil/intmath.h"
#include "libavutil/opt.h"
#include "libavutil/parseutils.h"
#include "libavutil/pixfmt.h"
@ -258,7 +257,7 @@ int ff_add_attached_pic(AVFormatContext *s, AVStream *st0, AVIOContext *pb,
return 0;
fail:
if (!st0)
ff_free_stream(s, st);
ff_remove_stream(s, st);
return ret;
}
@ -621,7 +620,7 @@ int ff_stream_side_data_copy(AVStream *dst, const AVStream *src)
return 0;
}
static void free_stream(AVStream **pst)
void ff_free_stream(AVStream **pst)
{
AVStream *st = *pst;
FFStream *const sti = ffstream(st);
@ -657,12 +656,12 @@ static void free_stream(AVStream **pst)
av_freep(pst);
}
void ff_free_stream(AVFormatContext *s, AVStream *st)
void ff_remove_stream(AVFormatContext *s, AVStream *st)
{
av_assert0(s->nb_streams>0);
av_assert0(s->streams[ s->nb_streams - 1 ] == st);
free_stream(&s->streams[ --s->nb_streams ]);
ff_free_stream(&s->streams[ --s->nb_streams ]);
}
void avformat_free_context(AVFormatContext *s)
@ -683,7 +682,7 @@ void avformat_free_context(AVFormatContext *s)
av_opt_free(s->priv_data);
for (unsigned i = 0; i < s->nb_streams; i++)
free_stream(&s->streams[i]);
ff_free_stream(&s->streams[i]);
s->nb_streams = 0;
for (unsigned i = 0; i < s->nb_programs; i++) {
@ -710,125 +709,6 @@ void avformat_free_context(AVFormatContext *s)
av_free(s);
}
static const AVOption stream_options[] = {
{ "disposition", NULL, offsetof(AVStream, disposition), AV_OPT_TYPE_FLAGS, { .i64 = 0 },
.flags = AV_OPT_FLAG_ENCODING_PARAM, .unit = "disposition" },
{ "default", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEFAULT }, .unit = "disposition" },
{ "dub", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DUB }, .unit = "disposition" },
{ "original", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ORIGINAL }, .unit = "disposition" },
{ "comment", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_COMMENT }, .unit = "disposition" },
{ "lyrics", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_LYRICS }, .unit = "disposition" },
{ "karaoke", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_KARAOKE }, .unit = "disposition" },
{ "forced", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_FORCED }, .unit = "disposition" },
{ "hearing_impaired", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_HEARING_IMPAIRED }, .unit = "disposition" },
{ "visual_impaired", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_VISUAL_IMPAIRED }, .unit = "disposition" },
{ "clean_effects", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CLEAN_EFFECTS }, .unit = "disposition" },
{ "attached_pic", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ATTACHED_PIC }, .unit = "disposition" },
{ "timed_thumbnails", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_TIMED_THUMBNAILS }, .unit = "disposition" },
{ "captions", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CAPTIONS }, .unit = "disposition" },
{ "descriptions", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DESCRIPTIONS }, .unit = "disposition" },
{ "metadata", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_METADATA }, .unit = "disposition" },
{ "dependent", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEPENDENT }, .unit = "disposition" },
{ "still_image", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_STILL_IMAGE }, .unit = "disposition" },
{ NULL }
};
static const AVClass stream_class = {
.class_name = "AVStream",
.item_name = av_default_item_name,
.version = LIBAVUTIL_VERSION_INT,
.option = stream_options,
};
const AVClass *av_stream_get_class(void)
{
return &stream_class;
}
AVStream *avformat_new_stream(AVFormatContext *s, const AVCodec *c)
{
FFFormatContext *const si = ffformatcontext(s);
FFStream *sti;
AVStream *st;
AVStream **streams;
if (s->nb_streams >= s->max_streams) {
av_log(s, AV_LOG_ERROR, "Number of streams exceeds max_streams parameter"
" (%d), see the documentation if you wish to increase it\n",
s->max_streams);
return NULL;
}
streams = av_realloc_array(s->streams, s->nb_streams + 1, sizeof(*streams));
if (!streams)
return NULL;
s->streams = streams;
sti = av_mallocz(sizeof(*sti));
if (!sti)
return NULL;
st = &sti->pub;
#if FF_API_AVSTREAM_CLASS
st->av_class = &stream_class;
#endif
st->codecpar = avcodec_parameters_alloc();
if (!st->codecpar)
goto fail;
sti->avctx = avcodec_alloc_context3(NULL);
if (!sti->avctx)
goto fail;
if (s->iformat) {
sti->info = av_mallocz(sizeof(*sti->info));
if (!sti->info)
goto fail;
#if FF_API_R_FRAME_RATE
sti->info->last_dts = AV_NOPTS_VALUE;
#endif
sti->info->fps_first_dts = AV_NOPTS_VALUE;
sti->info->fps_last_dts = AV_NOPTS_VALUE;
/* default pts setting is MPEG-like */
avpriv_set_pts_info(st, 33, 1, 90000);
/* we set the current DTS to 0 so that formats without any timestamps
* but durations get some timestamps, formats with some unknown
* timestamps have their first few packets buffered and the
* timestamps corrected before they are returned to the user */
sti->cur_dts = RELATIVE_TS_BASE;
} else {
sti->cur_dts = AV_NOPTS_VALUE;
}
st->index = s->nb_streams;
st->start_time = AV_NOPTS_VALUE;
st->duration = AV_NOPTS_VALUE;
sti->first_dts = AV_NOPTS_VALUE;
sti->probe_packets = s->max_probe_packets;
sti->pts_wrap_reference = AV_NOPTS_VALUE;
sti->pts_wrap_behavior = AV_PTS_WRAP_IGNORE;
sti->last_IP_pts = AV_NOPTS_VALUE;
sti->last_dts_for_order_check = AV_NOPTS_VALUE;
for (int i = 0; i < MAX_REORDER_DELAY + 1; i++)
sti->pts_buffer[i] = AV_NOPTS_VALUE;
st->sample_aspect_ratio = (AVRational) { 0, 1 };
sti->inject_global_side_data = si->inject_global_side_data;
sti->need_context_update = 1;
s->streams[s->nb_streams++] = st;
return st;
fail:
free_stream(&st);
return NULL;
}
AVProgram *av_new_program(AVFormatContext *ac, int id)
{
AVProgram *program = NULL;
@ -1953,35 +1833,6 @@ void ff_format_set_url(AVFormatContext *s, char *url)
s->url = url;
}
static int option_is_disposition(const AVOption *opt)
{
return opt->type == AV_OPT_TYPE_CONST &&
opt->unit && !strcmp(opt->unit, "disposition");
}
int av_disposition_from_string(const char *disp)
{
for (const AVOption *opt = stream_options; opt->name; opt++)
if (option_is_disposition(opt) && !strcmp(disp, opt->name))
return opt->default_val.i64;
return AVERROR(EINVAL);
}
const char *av_disposition_to_string(int disposition)
{
int val;
if (disposition <= 0)
return NULL;
val = 1 << ff_ctz(disposition);
for (const AVOption *opt = stream_options; opt->name; opt++)
if (option_is_disposition(opt) && opt->default_val.i64 == val)
return opt->name;
return NULL;
}
int ff_format_shift_data(AVFormatContext *s, int64_t read_start, int shift_size)
{
int ret;