X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=cmdutils.c;h=e5cba98a6060b1f4f2448fcffb6ff729dee0b215;hb=60a21b3d81c1a11cf5a08950eadd4e84ca2e597c;hp=578ddf3b6f6e9db03bf436dff451e32af9d25b56;hpb=0ec1642b60a5b1a4d913e2b9e3899173dff77e7a;p=ffmpeg diff --git a/cmdutils.c b/cmdutils.c index 578ddf3b6f6..e5cba98a606 100644 --- a/cmdutils.c +++ b/cmdutils.c @@ -20,6 +20,7 @@ */ #include +#include #include #include #include @@ -43,8 +44,9 @@ #include "libavutil/eval.h" #include "libavutil/dict.h" #include "libavutil/opt.h" +#include "libavutil/cpu.h" +#include "avversion.h" #include "cmdutils.h" -#include "version.h" #if CONFIG_NETWORK #include "libavformat/network.h" #endif @@ -54,9 +56,9 @@ #endif struct SwsContext *sws_opts; -AVDictionary *format_opts, *codec_opts; +AVDictionary *format_opts, *codec_opts, *resample_opts; -static const int this_year = 2012; +static const int this_year = 2015; void init_opts(void) { @@ -74,6 +76,7 @@ void uninit_opts(void) #endif av_dict_free(&format_opts); av_dict_free(&codec_opts); + av_dict_free(&resample_opts); } void log_callback_help(void *ptr, int level, const char *fmt, va_list vl) @@ -81,6 +84,21 @@ void log_callback_help(void *ptr, int level, const char *fmt, va_list vl) vfprintf(stdout, fmt, vl); } +static void (*program_exit)(int ret); + +void register_exit(void (*cb)(int ret)) +{ + program_exit = cb; +} + +void exit_program(int ret) +{ + if (program_exit) + program_exit(ret); + + exit(ret); +} + double parse_number_or_die(const char *context, const char *numstr, int type, double min, double max) { @@ -98,7 +116,7 @@ double parse_number_or_die(const char *context, const char *numstr, int type, else return d; av_log(NULL, AV_LOG_FATAL, error, context, numstr, min, max); - exit(1); + exit_program(1); return 0; } @@ -109,7 +127,7 @@ int64_t parse_time_or_die(const char *context, const char *timestr, if (av_parse_time(&us, timestr, is_duration) < 0) { av_log(NULL, AV_LOG_FATAL, "Invalid %s specification for %s: %s\n", is_duration ? "duration" : "date", context, timestr); - exit(1); + exit_program(1); } return us; } @@ -158,7 +176,7 @@ static const OptionDef *find_option(const OptionDef *po, const char *name) const char *p = strchr(name, ':'); int len = p ? p - name : strlen(name); - while (po->name != NULL) { + while (po->name) { if (!strncmp(name, po->name, len) && strlen(po->name) == len) break; po++; @@ -166,7 +184,10 @@ static const OptionDef *find_option(const OptionDef *po, const char *name) return po; } -#if HAVE_COMMANDLINETOARGVW +/* _WIN32 means using the windows libc - cygwin doesn't define that + * by default. HAVE_COMMANDLINETOARGVW is true on cygwin, while + * it doesn't provide the actual command line via GetCommandLineW(). */ +#if HAVE_COMMANDLINETOARGVW && defined(_WIN32) #include #include /* Will be leaked on exit */ @@ -204,7 +225,7 @@ static void prepare_app_arguments(int *argc_ptr, char ***argv_ptr) win32_argv_utf8 = av_mallocz(sizeof(char *) * (win32_argc + 1) + buffsize); argstr_flat = (char *)win32_argv_utf8 + sizeof(char *) * (win32_argc + 1); - if (win32_argv_utf8 == NULL) { + if (!win32_argv_utf8) { LocalFree(argv_w); return; } @@ -240,10 +261,14 @@ static int write_option(void *optctx, const OptionDef *po, const char *opt, if (po->flags & OPT_SPEC) { SpecifierOpt **so = dst; char *p = strchr(opt, ':'); + char *str; dstcount = (int *)(so + 1); *so = grow_array(*so, sizeof(**so), dstcount, *dstcount + 1); - (*so)[*dstcount - 1].specifier = av_strdup(p ? p + 1 : ""); + str = av_strdup(p ? p + 1 : ""); + if (!str) + return AVERROR(ENOMEM); + (*so)[*dstcount - 1].specifier = str; dst = &(*so)[*dstcount - 1].u; } @@ -251,6 +276,8 @@ static int write_option(void *optctx, const OptionDef *po, const char *opt, char *str; str = av_strdup(arg); av_freep(dst); + if (!str) + return AVERROR(ENOMEM); *(char **)dst = str; } else if (po->flags & OPT_BOOL || po->flags & OPT_INT) { *(int *)dst = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX); @@ -271,7 +298,7 @@ static int write_option(void *optctx, const OptionDef *po, const char *opt, } } if (po->flags & OPT_EXIT) - exit(0); + exit_program(0); return 0; } @@ -331,7 +358,7 @@ void parse_options(void *optctx, int argc, char **argv, const OptionDef *options opt++; if ((ret = parse_option(optctx, opt, argv[optindex], options)) < 0) - exit(1); + exit_program(1); optindex += ret; } else { if (parse_arg_function) @@ -350,6 +377,16 @@ int parse_optgroup(void *optctx, OptionGroup *g) for (i = 0; i < g->nb_opts; i++) { Option *o = &g->opts[i]; + if (g->group_def->flags && + !(g->group_def->flags & o->opt->flags)) { + av_log(NULL, AV_LOG_ERROR, "Option %s (%s) cannot be applied to " + "%s %s -- you are trying to apply an input option to an " + "output file or vice versa. Move this option before the " + "file it belongs to.\n", o->key, o->opt->help, + g->group_def->name, g->arg); + return AVERROR(EINVAL); + } + av_log(NULL, AV_LOG_DEBUG, "Applying option %s (%s) with argument %s.\n", o->key, o->opt->help, o->val); @@ -383,7 +420,7 @@ int locate_option(int argc, char **argv, const OptionDef *options, (po->name && !strcmp(optname, po->name))) return i; - if (!po || po->flags & HAS_ARG) + if (!po->name || po->flags & HAS_ARG) i++; } return 0; @@ -405,6 +442,9 @@ int opt_default(void *optctx, const char *opt, const char *arg) char opt_stripped[128]; const char *p; const AVClass *cc = avcodec_get_class(), *fc = avformat_get_class(); +#if CONFIG_AVRESAMPLE + const AVClass *rc = avresample_get_class(); +#endif #if CONFIG_SWSCALE const AVClass *sc = sws_get_class(); #endif @@ -421,6 +461,11 @@ int opt_default(void *optctx, const char *opt, const char *arg) else if ((o = av_opt_find(&fc, opt, NULL, 0, AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ))) av_dict_set(&format_opts, opt, arg, FLAGS); +#if CONFIG_AVRESAMPLE + else if ((o = av_opt_find(&rc, opt, NULL, 0, + AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ))) + av_dict_set(&resample_opts, opt, arg, FLAGS); +#endif #if CONFIG_SWSCALE else if ((o = av_opt_find(&sc, opt, NULL, 0, AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ))) { @@ -443,14 +488,15 @@ int opt_default(void *optctx, const char *opt, const char *arg) * * @return index of the group definition that matched or -1 if none */ -static int match_group_separator(const OptionGroupDef *groups, const char *opt) +static int match_group_separator(const OptionGroupDef *groups, int nb_groups, + const char *opt) { - const OptionGroupDef *p = groups; + int i; - while (p->name) { + for (i = 0; i < nb_groups; i++) { + const OptionGroupDef *p = &groups[i]; if (p->sep && !strcmp(p->sep, opt)) - return p - groups; - p++; + return i; } return -1; @@ -479,9 +525,11 @@ static void finish_group(OptionParseContext *octx, int group_idx, #endif g->codec_opts = codec_opts; g->format_opts = format_opts; + g->resample_opts = resample_opts; codec_opts = NULL; format_opts = NULL; + resample_opts = NULL; #if CONFIG_SWSCALE sws_opts = NULL; #endif @@ -506,20 +554,17 @@ static void add_opt(OptionParseContext *octx, const OptionDef *opt, } static void init_parse_context(OptionParseContext *octx, - const OptionGroupDef *groups) + const OptionGroupDef *groups, int nb_groups) { static const OptionGroupDef global_group = { "global" }; - const OptionGroupDef *g = groups; int i; memset(octx, 0, sizeof(*octx)); - while (g->name) - g++; - octx->nb_groups = g - groups; + octx->nb_groups = nb_groups; octx->groups = av_mallocz(sizeof(*octx->groups) * octx->nb_groups); if (!octx->groups) - exit(1); + exit_program(1); for (i = 0; i < octx->nb_groups; i++) octx->groups[i].group_def = &groups[i]; @@ -541,6 +586,7 @@ void uninit_parse_context(OptionParseContext *octx) av_freep(&l->groups[j].opts); av_dict_free(&l->groups[j].codec_opts); av_dict_free(&l->groups[j].format_opts); + av_dict_free(&l->groups[j].resample_opts); #if CONFIG_SWSCALE sws_freeContext(l->groups[j].sws_opts); #endif @@ -557,14 +603,14 @@ void uninit_parse_context(OptionParseContext *octx) int split_commandline(OptionParseContext *octx, int argc, char *argv[], const OptionDef *options, - const OptionGroupDef *groups) + const OptionGroupDef *groups, int nb_groups) { int optindex = 1; /* perform system-dependent conversions for arguments list */ prepare_app_arguments(&argc, &argv); - init_parse_context(octx, groups); + init_parse_context(octx, groups, nb_groups); av_log(NULL, AV_LOG_DEBUG, "Splitting the commandline.\n"); while (optindex < argc) { @@ -592,7 +638,7 @@ do { \ } while (0) /* named group separators, e.g. -i */ - if ((ret = match_group_separator(groups, opt)) >= 0) { + if ((ret = match_group_separator(groups, nb_groups, opt)) >= 0) { GET_ARG(arg); finish_group(octx, ret, arg); av_log(NULL, AV_LOG_DEBUG, " matched as %s with argument '%s'.\n", @@ -647,7 +693,7 @@ do { \ return AVERROR_OPTION_NOT_FOUND; } - if (octx->cur_group.nb_opts || codec_opts || format_opts) + if (octx->cur_group.nb_opts || codec_opts || format_opts || resample_opts) av_log(NULL, AV_LOG_WARNING, "Trailing options were found on the " "commandline.\n"); @@ -656,6 +702,17 @@ do { \ return 0; } +int opt_cpuflags(void *optctx, const char *opt, const char *arg) +{ + int flags = av_parse_cpu_flags(arg); + + if (flags < 0) + return flags; + + av_set_cpu_flags_mask(flags); + return 0; +} + int opt_loglevel(void *optctx, const char *opt, const char *arg) { const struct { const char *name; int level; } log_levels[] = { @@ -667,6 +724,7 @@ int opt_loglevel(void *optctx, const char *opt, const char *arg) { "info" , AV_LOG_INFO }, { "verbose", AV_LOG_VERBOSE }, { "debug" , AV_LOG_DEBUG }, + { "trace" , AV_LOG_TRACE }, }; char *tail; int level; @@ -685,7 +743,7 @@ int opt_loglevel(void *optctx, const char *opt, const char *arg) "Possible levels are numbers or:\n", arg); for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++) av_log(NULL, AV_LOG_FATAL, "\"%s\"\n", log_levels[i].name); - exit(1); + exit_program(1); } av_log_set_level(level); return 0; @@ -869,7 +927,7 @@ int show_formats(void *optctx, const char *opt, const char *arg) const char *long_name = NULL; while ((ofmt = av_oformat_next(ofmt))) { - if ((name == NULL || strcmp(ofmt->name, name) < 0) && + if ((!name || strcmp(ofmt->name, name) < 0) && strcmp(ofmt->name, last_name) > 0) { name = ofmt->name; long_name = ofmt->long_name; @@ -877,7 +935,7 @@ int show_formats(void *optctx, const char *opt, const char *arg) } } while ((ifmt = av_iformat_next(ifmt))) { - if ((name == NULL || strcmp(ifmt->name, name) < 0) && + if ((!name || strcmp(ifmt->name, name) < 0) && strcmp(ifmt->name, last_name) > 0) { name = ifmt->name; long_name = ifmt->long_name; @@ -886,7 +944,7 @@ int show_formats(void *optctx, const char *opt, const char *arg) if (name && strcmp(ifmt->name, name) == 0) decode = 1; } - if (name == NULL) + if (!name) break; last_name = name; @@ -1110,12 +1168,14 @@ int show_protocols(void *optctx, const char *opt, const char *arg) int show_filters(void *optctx, const char *opt, const char *arg) { - AVFilter av_unused(**filter) = NULL; +#if CONFIG_AVFILTER + const AVFilter *filter = NULL; printf("Filters:\n"); -#if CONFIG_AVFILTER - while ((filter = av_filter_next(filter)) && *filter) - printf("%-16s %s\n", (*filter)->name, (*filter)->description); + while ((filter = avfilter_next(filter))) + printf("%-16s %s\n", filter->name, filter->description); +#else + printf("No filters available: libavfilter disabled\n"); #endif return 0; } @@ -1141,11 +1201,11 @@ int show_pix_fmts(void *optctx, const char *opt, const char *arg) while ((pix_desc = av_pix_fmt_desc_next(pix_desc))) { enum AVPixelFormat pix_fmt = av_pix_fmt_desc_get_id(pix_desc); printf("%c%c%c%c%c %-16s %d %2d\n", - sws_isSupportedInput (pix_fmt) ? 'I' : '.', - sws_isSupportedOutput(pix_fmt) ? 'O' : '.', - pix_desc->flags & PIX_FMT_HWACCEL ? 'H' : '.', - pix_desc->flags & PIX_FMT_PAL ? 'P' : '.', - pix_desc->flags & PIX_FMT_BITSTREAM ? 'B' : '.', + sws_isSupportedInput (pix_fmt) ? 'I' : '.', + sws_isSupportedOutput(pix_fmt) ? 'O' : '.', + pix_desc->flags & AV_PIX_FMT_FLAG_HWACCEL ? 'H' : '.', + pix_desc->flags & AV_PIX_FMT_FLAG_PAL ? 'P' : '.', + pix_desc->flags & AV_PIX_FMT_FLAG_BITSTREAM ? 'B' : '.', pix_desc->name, pix_desc->nb_components, av_get_bits_per_pixel(pix_desc)); @@ -1248,12 +1308,57 @@ static void show_help_muxer(const char *name) show_help_children(fmt->priv_class, AV_OPT_FLAG_ENCODING_PARAM); } +#if CONFIG_AVFILTER +static void show_help_filter(const char *name) +{ + const AVFilter *f = avfilter_get_by_name(name); + int i, count; + + if (!name) { + av_log(NULL, AV_LOG_ERROR, "No filter name specified.\n"); + return; + } else if (!f) { + av_log(NULL, AV_LOG_ERROR, "Unknown filter '%s'.\n", name); + return; + } + + printf("Filter %s [%s]:\n", f->name, f->description); + + if (f->flags & AVFILTER_FLAG_SLICE_THREADS) + printf(" slice threading supported\n"); + + printf(" Inputs:\n"); + count = avfilter_pad_count(f->inputs); + for (i = 0; i < count; i++) { + printf(" %d %s (%s)\n", i, avfilter_pad_get_name(f->inputs, i), + media_type_string(avfilter_pad_get_type(f->inputs, i))); + } + if (f->flags & AVFILTER_FLAG_DYNAMIC_INPUTS) + printf(" dynamic (depending on the options)\n"); + + printf(" Outputs:\n"); + count = avfilter_pad_count(f->outputs); + for (i = 0; i < count; i++) { + printf(" %d %s (%s)\n", i, avfilter_pad_get_name(f->outputs, i), + media_type_string(avfilter_pad_get_type(f->outputs, i))); + } + if (f->flags & AVFILTER_FLAG_DYNAMIC_OUTPUTS) + printf(" dynamic (depending on the options)\n"); + + if (f->priv_class) + show_help_children(f->priv_class, AV_OPT_FLAG_VIDEO_PARAM | + AV_OPT_FLAG_AUDIO_PARAM); +} +#endif + int show_help(void *optctx, const char *opt, const char *arg) { char *topic, *par; av_log_set_callback(log_callback_help); topic = av_strdup(arg ? arg : ""); + if (!topic) + return AVERROR(ENOMEM); par = strchr(topic, '='); if (par) *par++ = 0; @@ -1268,6 +1373,10 @@ int show_help(void *optctx, const char *opt, const char *arg) show_help_demuxer(par); } else if (!strcmp(topic, "muxer")) { show_help_muxer(par); +#if CONFIG_AVFILTER + } else if (!strcmp(topic, "filter")) { + show_help_filter(par); +#endif } else { show_help_default(topic, par); } @@ -1279,7 +1388,7 @@ int show_help(void *optctx, const char *opt, const char *arg) int read_yesno(void) { int c = getchar(); - int yesno = (toupper(c) == 'Y'); + int yesno = (av_toupper(c) == 'Y'); while (c != '\n' && c != EOF) c = getchar(); @@ -1287,43 +1396,6 @@ int read_yesno(void) return yesno; } -int cmdutils_read_file(const char *filename, char **bufptr, size_t *size) -{ - int ret; - FILE *f = fopen(filename, "rb"); - - if (!f) { - av_log(NULL, AV_LOG_ERROR, "Cannot read file '%s': %s\n", filename, - strerror(errno)); - return AVERROR(errno); - } - fseek(f, 0, SEEK_END); - *size = ftell(f); - fseek(f, 0, SEEK_SET); - *bufptr = av_malloc(*size + 1); - if (!*bufptr) { - av_log(NULL, AV_LOG_ERROR, "Could not allocate file buffer\n"); - fclose(f); - return AVERROR(ENOMEM); - } - ret = fread(*bufptr, 1, *size, f); - if (ret < *size) { - av_free(*bufptr); - if (ferror(f)) { - av_log(NULL, AV_LOG_ERROR, "Error while reading file '%s': %s\n", - filename, strerror(errno)); - ret = AVERROR(errno); - } else - ret = AVERROR_EOF; - } else { - ret = 0; - (*bufptr)[(*size)++] = '\0'; - } - - fclose(f); - return ret; -} - void init_pts_correction(PtsCorrectionContext *ctx) { ctx->num_faulty_pts = ctx->num_faulty_dts = 0; @@ -1432,6 +1504,57 @@ int check_stream_specifier(AVFormatContext *s, AVStream *st, const char *spec) return 1; } return 0; + } else if (*spec == 'i' && *(spec + 1) == ':') { + int stream_id; + char *endptr; + spec += 2; + stream_id = strtol(spec, &endptr, 0); + return stream_id == st->id; + } else if (*spec == 'm' && *(spec + 1) == ':') { + AVDictionaryEntry *tag; + char *key, *val; + int ret; + + spec += 2; + val = strchr(spec, ':'); + + key = val ? av_strndup(spec, val - spec) : av_strdup(spec); + if (!key) + return AVERROR(ENOMEM); + + tag = av_dict_get(st->metadata, key, NULL, 0); + if (tag) { + if (!val || !strcmp(tag->value, val + 1)) + ret = 1; + else + ret = 0; + } else + ret = 0; + + av_freep(&key); + return ret; + } else if (*spec == 'u') { + AVCodecContext *avctx = st->codec; + int val; + switch (avctx->codec_type) { + case AVMEDIA_TYPE_AUDIO: + val = avctx->sample_rate && avctx->channels; + if (avctx->sample_fmt == AV_SAMPLE_FMT_NONE) + return 0; + break; + case AVMEDIA_TYPE_VIDEO: + val = avctx->width && avctx->height; + if (avctx->pix_fmt == AV_PIX_FMT_NONE) + return 0; + break; + case AVMEDIA_TYPE_UNKNOWN: + val = 0; + break; + default: + val = 1; + break; + } + return avctx->codec_id != AV_CODEC_ID_NONE && val != 0; } else if (!*spec) /* empty specifier, matches everything */ return 1; @@ -1452,10 +1575,8 @@ AVDictionary *filter_codec_opts(AVDictionary *opts, enum AVCodecID codec_id, if (!codec) codec = s->oformat ? avcodec_find_encoder(codec_id) : avcodec_find_decoder(codec_id); - if (!codec) - return NULL; - switch (codec->type) { + switch (st->codec->codec_type) { case AVMEDIA_TYPE_VIDEO: prefix = 'v'; flags |= AV_OPT_FLAG_VIDEO_PARAM; @@ -1521,13 +1642,13 @@ void *grow_array(void *array, int elem_size, int *size, int new_size) { if (new_size >= INT_MAX / elem_size) { av_log(NULL, AV_LOG_ERROR, "Array too big.\n"); - exit(1); + exit_program(1); } if (*size < new_size) { uint8_t *tmp = av_realloc(array, new_size*elem_size); if (!tmp) { av_log(NULL, AV_LOG_ERROR, "Could not alloc buffer.\n"); - exit(1); + exit_program(1); } memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size); *size = new_size; @@ -1536,134 +1657,14 @@ void *grow_array(void *array, int elem_size, int *size, int new_size) return array; } -static int alloc_buffer(FrameBuffer **pool, AVCodecContext *s, FrameBuffer **pbuf) -{ - const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->pix_fmt); - FrameBuffer *buf; - int i, ret; - int pixel_size; - int h_chroma_shift, v_chroma_shift; - int edge = 32; // XXX should be avcodec_get_edge_width(), but that fails on svq1 - int w = s->width, h = s->height; - - if (!desc) - return AVERROR(EINVAL); - pixel_size = desc->comp[0].step_minus1 + 1; - - buf = av_mallocz(sizeof(*buf)); - if (!buf) - return AVERROR(ENOMEM); - - if (!(s->flags & CODEC_FLAG_EMU_EDGE)) { - w += 2*edge; - h += 2*edge; - } - - avcodec_align_dimensions(s, &w, &h); - if ((ret = av_image_alloc(buf->base, buf->linesize, w, h, - s->pix_fmt, 32)) < 0) { - av_freep(&buf); - return ret; - } - /* XXX this shouldn't be needed, but some tests break without this line - * those decoders are buggy and need to be fixed. - * the following tests fail: - * cdgraphics, ansi, aasc, fraps-v1, qtrle-1bit - */ - memset(buf->base[0], 128, ret); - - av_pix_fmt_get_chroma_sub_sample(s->pix_fmt, - &h_chroma_shift, &v_chroma_shift); - - for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) { - const int h_shift = i==0 ? 0 : h_chroma_shift; - const int v_shift = i==0 ? 0 : v_chroma_shift; - if (s->flags & CODEC_FLAG_EMU_EDGE) - buf->data[i] = buf->base[i]; - else if (buf->base[i]) - buf->data[i] = buf->base[i] + - FFALIGN((buf->linesize[i]*edge >> v_shift) + - (pixel_size*edge >> h_shift), 32); - } - buf->w = s->width; - buf->h = s->height; - buf->pix_fmt = s->pix_fmt; - buf->pool = pool; - - *pbuf = buf; - return 0; -} - -int codec_get_buffer(AVCodecContext *s, AVFrame *frame) -{ - FrameBuffer **pool = s->opaque; - FrameBuffer *buf; - int ret, i; - - if (!*pool && (ret = alloc_buffer(pool, s, pool)) < 0) - return ret; - - buf = *pool; - *pool = buf->next; - buf->next = NULL; - if (buf->w != s->width || buf->h != s->height || buf->pix_fmt != s->pix_fmt) { - av_freep(&buf->base[0]); - av_free(buf); - if ((ret = alloc_buffer(pool, s, &buf)) < 0) - return ret; - } - buf->refcount++; - - frame->opaque = buf; - frame->type = FF_BUFFER_TYPE_USER; - frame->extended_data = frame->data; - - for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) { - frame->base[i] = buf->base[i]; // XXX h264.c uses base though it shouldn't - frame->data[i] = buf->data[i]; - frame->linesize[i] = buf->linesize[i]; - } - - return 0; -} - -static void unref_buffer(FrameBuffer *buf) -{ - FrameBuffer **pool = buf->pool; - - av_assert0(buf->refcount); - buf->refcount--; - if (!buf->refcount) { - buf->next = *pool; - *pool = buf; - } -} - -void codec_release_buffer(AVCodecContext *s, AVFrame *frame) -{ - FrameBuffer *buf = frame->opaque; - int i; - - for (i = 0; i < FF_ARRAY_ELEMS(frame->data); i++) - frame->data[i] = NULL; - - unref_buffer(buf); -} - -void filter_release_buffer(AVFilterBuffer *fb) -{ - FrameBuffer *buf = fb->priv; - av_free(fb); - unref_buffer(buf); -} - -void free_buffer_pool(FrameBuffer **pool) +const char *media_type_string(enum AVMediaType media_type) { - FrameBuffer *buf = *pool; - while (buf) { - *pool = buf->next; - av_freep(&buf->base[0]); - av_free(buf); - buf = *pool; + switch (media_type) { + case AVMEDIA_TYPE_VIDEO: return "video"; + case AVMEDIA_TYPE_AUDIO: return "audio"; + case AVMEDIA_TYPE_DATA: return "data"; + case AVMEDIA_TYPE_SUBTITLE: return "subtitle"; + case AVMEDIA_TYPE_ATTACHMENT: return "attachment"; + default: return "unknown"; } }