X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=avprobe.c;h=613e090be6e8bc5ada0ad565bfdda0ebb5ab56a3;hb=07b5136c481d394992c7e951967df0cfbb346c0b;hp=5ad56a182b224a2686cd3fb005365f536d8ea76b;hpb=a4baf96abd64cda68e3e4692b182bdf60745a14d;p=ffmpeg diff --git a/avprobe.c b/avprobe.c index 5ad56a182b2..613e090be6e 100644 --- a/avprobe.c +++ b/avprobe.c @@ -24,13 +24,29 @@ #include "libavformat/avformat.h" #include "libavcodec/avcodec.h" #include "libavutil/avstring.h" +#include "libavutil/display.h" #include "libavutil/opt.h" #include "libavutil/pixdesc.h" +#include "libavutil/spherical.h" +#include "libavutil/stereo3d.h" #include "libavutil/dict.h" #include "libavutil/libm.h" #include "libavdevice/avdevice.h" #include "cmdutils.h" +typedef struct InputStream { + AVStream *st; + + AVCodecContext *dec_ctx; +} InputStream; + +typedef struct InputFile { + AVFormatContext *fmt_ctx; + + InputStream *streams; + int nb_streams; +} InputFile; + const char program_name[] = "avprobe"; const int program_birth_year = 2007; @@ -39,6 +55,11 @@ static AVDictionary *fmt_entries_to_show = NULL; static int nb_fmt_entries_to_show; static int do_show_packets = 0; static int do_show_streams = 0; +static AVDictionary *stream_entries_to_show = NULL; +static int nb_stream_entries_to_show; + +/* key used to print when probe_{int,str}(NULL, ..) is invoked */ +static const char *header_key; static int show_value_unit = 0; static int use_value_prefix = 0; @@ -48,7 +69,7 @@ static int use_value_sexagesimal_format = 0; /* globals */ static const OptionDef *options; -/* AVprobe context */ +/* avprobe context */ static const char *input_filename; static AVInputFormat *iformat = NULL; @@ -60,9 +81,10 @@ static const char unit_hertz_str[] = "Hz" ; static const char unit_byte_str[] = "byte" ; static const char unit_bit_per_second_str[] = "bit/s"; -static void exit_program(void) +static void avprobe_cleanup(int ret) { av_dict_free(&fmt_entries_to_show); + av_dict_free(&stream_entries_to_show); } /* @@ -84,21 +106,21 @@ typedef enum { OBJECT } PrintElementType; -typedef struct { +typedef struct PrintElement { const char *name; PrintElementType type; int64_t index; int64_t nb_elems; } PrintElement; -typedef struct { +typedef struct PrintContext { PrintElement *prefix; int level; void (*print_header)(void); void (*print_footer)(void); - void (*print_array_header) (const char *name); - void (*print_array_footer) (const char *name); + void (*print_array_header) (const char *name, int plain_values); + void (*print_array_footer) (const char *name, int plain_values); void (*print_object_header)(const char *name); void (*print_object_footer)(const char *name); @@ -157,9 +179,21 @@ static void ini_escape_print(const char *s) } } -static void ini_print_array_header(const char *name) +static void ini_print_array_header(const char *name, int plain_values) { - if (octx.prefix[octx.level -1].nb_elems) + if (!plain_values) { + /* Add a new line if we create a new full group */ + if (octx.prefix[octx.level -1].nb_elems) + avio_printf(probe_out, "\n"); + } else { + ini_escape_print(name); + avio_w8(probe_out, '='); + } +} + +static void ini_print_array_footer(const char *name, int plain_values) +{ + if (plain_values) avio_printf(probe_out, "\n"); } @@ -181,15 +215,21 @@ static void ini_print_object_header(const char *name) } avio_printf(probe_out, "%s", name); - if (el && el->type == ARRAY) + if (el->type == ARRAY) avio_printf(probe_out, ".%"PRId64"", el->nb_elems); avio_printf(probe_out, "]\n"); } static void ini_print_integer(const char *key, int64_t value) { - ini_escape_print(key); - avio_printf(probe_out, "=%"PRId64"\n", value); + if (key) { + ini_escape_print(key); + avio_printf(probe_out, "=%"PRId64"\n", value); + } else { + if (octx.prefix[octx.level -1].nb_elems) + avio_printf(probe_out, ","); + avio_printf(probe_out, "%"PRId64, value); + } } @@ -214,7 +254,7 @@ static void json_print_footer(void) avio_printf(probe_out, "}\n"); } -static void json_print_array_header(const char *name) +static void json_print_array_header(const char *name, int plain_values) { if (octx.prefix[octx.level -1].nb_elems) avio_printf(probe_out, ",\n"); @@ -223,7 +263,7 @@ static void json_print_array_header(const char *name) avio_printf(probe_out, "[\n"); } -static void json_print_array_footer(const char *name) +static void json_print_array_footer(const char *name, int plain_values) { avio_printf(probe_out, "\n"); AVP_INDENT(); @@ -249,10 +289,18 @@ static void json_print_object_footer(const char *name) static void json_print_integer(const char *key, int64_t value) { - if (octx.prefix[octx.level -1].nb_elems) - avio_printf(probe_out, ",\n"); - AVP_INDENT(); - avio_printf(probe_out, "\"%s\" : %"PRId64"", key, value); + if (key) { + if (octx.prefix[octx.level -1].nb_elems) + avio_printf(probe_out, ",\n"); + AVP_INDENT(); + avio_printf(probe_out, "\"%s\" : ", key); + } else { + if (octx.prefix[octx.level -1].nb_elems) + avio_printf(probe_out, ", "); + else + AVP_INDENT(); + } + avio_printf(probe_out, "%"PRId64, value); } static void json_escape_print(const char *s) @@ -302,6 +350,8 @@ static void old_print_object_header(const char *name) return; str = p = av_strdup(name); + if (!str) + return; while (*p) { *p = av_toupper(*p); p++; @@ -319,6 +369,8 @@ static void old_print_object_footer(const char *name) return; str = p = av_strdup(name); + if (!str) + return; while (*p) { *p = av_toupper(*p); p++; @@ -357,6 +409,37 @@ static void show_format_entry_string(const char *key, const char *value) } } +static void show_stream_entry_header(const char *key, int value) +{ + header_key = key; +} + +static void show_stream_entry_footer(const char *key, int value) +{ + header_key = NULL; +} + +static void show_stream_entry_integer(const char *key, int64_t value) +{ + if (!key) + key = header_key; + + if (key && av_dict_get(stream_entries_to_show, key, NULL, 0)) { + if (nb_stream_entries_to_show > 1) + avio_printf(probe_out, "%s=", key); + avio_printf(probe_out, "%"PRId64"\n", value); + } +} + +static void show_stream_entry_string(const char *key, const char *value) +{ + if (key && av_dict_get(stream_entries_to_show, key, NULL, 0)) { + if (nb_stream_entries_to_show > 1) + avio_printf(probe_out, "%s=", key); + avio_printf(probe_out, "%s\n", value); + } +} + static void probe_group_enter(const char *name, int type) { int64_t count = -1; @@ -366,7 +449,7 @@ static void probe_group_enter(const char *name, int type) if (!octx.prefix || !name) { fprintf(stderr, "Out of memory\n"); - exit(1); + exit_program(1); } if (octx.level) { @@ -399,19 +482,19 @@ static void probe_footer(void) } -static void probe_array_header(const char *name) +static void probe_array_header(const char *name, int plain_values) { if (octx.print_array_header) - octx.print_array_header(name); + octx.print_array_header(name, plain_values); probe_group_enter(name, ARRAY); } -static void probe_array_footer(const char *name) +static void probe_array_footer(const char *name, int plain_values) { probe_group_leave(); if (octx.print_array_footer) - octx.print_array_footer(name); + octx.print_array_footer(name, plain_values); } static void probe_object_header(const char *name) @@ -532,7 +615,7 @@ static void show_packet(AVFormatContext *fmt_ctx, AVPacket *pkt) AVStream *st = fmt_ctx->streams[pkt->stream_index]; probe_object_header("packet"); - probe_str("codec_type", media_type_string(st->codec->codec_type)); + probe_str("codec_type", media_type_string(st->codecpar->codec_type)); probe_int("stream_index", pkt->stream_index); probe_str("pts", ts_value_string(val_str, sizeof(val_str), pkt->pts)); probe_str("pts_time", time_value_string(val_str, sizeof(val_str), @@ -552,22 +635,27 @@ static void show_packet(AVFormatContext *fmt_ctx, AVPacket *pkt) probe_object_footer("packet"); } -static void show_packets(AVFormatContext *fmt_ctx) +static void show_packets(InputFile *ifile) { + AVFormatContext *fmt_ctx = ifile->fmt_ctx; AVPacket pkt; av_init_packet(&pkt); - probe_array_header("packets"); - while (!av_read_frame(fmt_ctx, &pkt)) + probe_array_header("packets", 0); + while (!av_read_frame(fmt_ctx, &pkt)) { show_packet(fmt_ctx, &pkt); - probe_array_footer("packets"); + av_packet_unref(&pkt); + } + probe_array_footer("packets", 0); } -static void show_stream(AVFormatContext *fmt_ctx, int stream_idx) +static void show_stream(InputFile *ifile, InputStream *ist) { - AVStream *stream = fmt_ctx->streams[stream_idx]; + AVFormatContext *fmt_ctx = ifile->fmt_ctx; + AVStream *stream = ist->st; + AVCodecParameters *par; AVCodecContext *dec_ctx; - const AVCodec *dec; + const AVCodecDescriptor *codec_desc; const char *profile; char val_str[128]; AVRational display_aspect_ratio, *sar = NULL; @@ -577,66 +665,75 @@ static void show_stream(AVFormatContext *fmt_ctx, int stream_idx) probe_int("index", stream->index); - if ((dec_ctx = stream->codec)) { - if ((dec = dec_ctx->codec)) { - probe_str("codec_name", dec->name); - probe_str("codec_long_name", dec->long_name); - } else { - probe_str("codec_name", "unknown"); - } + par = stream->codecpar; + dec_ctx = ist->dec_ctx; + codec_desc = avcodec_descriptor_get(par->codec_id); + if (codec_desc) { + probe_str("codec_name", codec_desc->name); + probe_str("codec_long_name", codec_desc->long_name); + } else { + probe_str("codec_name", "unknown"); + } - probe_str("codec_type", media_type_string(dec_ctx->codec_type)); - probe_str("codec_time_base", - rational_string(val_str, sizeof(val_str), - "/", &dec_ctx->time_base)); - - /* print AVI/FourCC tag */ - av_get_codec_tag_string(val_str, sizeof(val_str), dec_ctx->codec_tag); - probe_str("codec_tag_string", val_str); - probe_str("codec_tag", tag_string(val_str, sizeof(val_str), - dec_ctx->codec_tag)); - - /* print profile, if there is one */ - if (dec && (profile = av_get_profile_name(dec, dec_ctx->profile))) - probe_str("profile", profile); - - switch (dec_ctx->codec_type) { - case AVMEDIA_TYPE_VIDEO: - probe_int("width", dec_ctx->width); - probe_int("height", dec_ctx->height); + probe_str("codec_type", media_type_string(par->codec_type)); + + /* print AVI/FourCC tag */ + av_get_codec_tag_string(val_str, sizeof(val_str), par->codec_tag); + probe_str("codec_tag_string", val_str); + probe_str("codec_tag", tag_string(val_str, sizeof(val_str), + par->codec_tag)); + + /* print profile, if there is one */ + profile = avcodec_profile_name(par->codec_id, par->profile); + if (profile) + probe_str("profile", profile); + + switch (par->codec_type) { + case AVMEDIA_TYPE_VIDEO: + probe_int("width", par->width); + probe_int("height", par->height); + if (dec_ctx) { + probe_int("coded_width", dec_ctx->coded_width); + probe_int("coded_height", dec_ctx->coded_height); probe_int("has_b_frames", dec_ctx->has_b_frames); - if (dec_ctx->sample_aspect_ratio.num) - sar = &dec_ctx->sample_aspect_ratio; - else if (stream->sample_aspect_ratio.num) - sar = &stream->sample_aspect_ratio; - - if (sar) { - probe_str("sample_aspect_ratio", - rational_string(val_str, sizeof(val_str), ":", sar)); - av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den, - dec_ctx->width * sar->num, dec_ctx->height * sar->den, - 1024*1024); - probe_str("display_aspect_ratio", - rational_string(val_str, sizeof(val_str), ":", - &display_aspect_ratio)); - } - desc = av_pix_fmt_desc_get(dec_ctx->pix_fmt); - probe_str("pix_fmt", desc ? desc->name : "unknown"); - probe_int("level", dec_ctx->level); - break; - - case AVMEDIA_TYPE_AUDIO: - probe_str("sample_rate", - value_string(val_str, sizeof(val_str), - dec_ctx->sample_rate, - unit_hertz_str)); - probe_int("channels", dec_ctx->channels); - probe_int("bits_per_sample", - av_get_bits_per_sample(dec_ctx->codec_id)); - break; } - } else { - probe_str("codec_type", "unknown"); + if (dec_ctx && dec_ctx->sample_aspect_ratio.num) + sar = &dec_ctx->sample_aspect_ratio; + else if (par->sample_aspect_ratio.num) + sar = &par->sample_aspect_ratio; + else if (stream->sample_aspect_ratio.num) + sar = &stream->sample_aspect_ratio; + + if (sar) { + probe_str("sample_aspect_ratio", + rational_string(val_str, sizeof(val_str), ":", sar)); + av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den, + par->width * sar->num, par->height * sar->den, + 1024*1024); + probe_str("display_aspect_ratio", + rational_string(val_str, sizeof(val_str), ":", + &display_aspect_ratio)); + } + desc = av_pix_fmt_desc_get(par->format); + probe_str("pix_fmt", desc ? desc->name : "unknown"); + probe_int("level", par->level); + + probe_str("color_range", av_color_range_name (par->color_range)); + probe_str("color_space", av_color_space_name (par->color_space)); + probe_str("color_trc", av_color_transfer_name (par->color_trc)); + probe_str("color_pri", av_color_primaries_name(par->color_primaries)); + probe_str("chroma_loc", av_chroma_location_name (par->chroma_location)); + break; + + case AVMEDIA_TYPE_AUDIO: + probe_str("sample_rate", + value_string(val_str, sizeof(val_str), + par->sample_rate, + unit_hertz_str)); + probe_int("channels", par->channels); + probe_int("bits_per_sample", + av_get_bits_per_sample(par->codec_id)); + break; } if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS) @@ -644,10 +741,11 @@ static void show_stream(AVFormatContext *fmt_ctx, int stream_idx) probe_str("avg_frame_rate", rational_string(val_str, sizeof(val_str), "/", &stream->avg_frame_rate)); - if (dec_ctx->bit_rate) + + if (par->bit_rate) probe_str("bit_rate", value_string(val_str, sizeof(val_str), - dec_ctx->bit_rate, unit_bit_per_second_str)); + par->bit_rate, unit_bit_per_second_str)); probe_str("time_base", rational_string(val_str, sizeof(val_str), "/", &stream->time_base)); @@ -662,11 +760,64 @@ static void show_stream(AVFormatContext *fmt_ctx, int stream_idx) probe_dict(stream->metadata, "tags"); + if (stream->nb_side_data) { + int i, j; + + probe_object_header("sidedata"); + for (i = 0; i < stream->nb_side_data; i++) { + const AVPacketSideData* sd = &stream->side_data[i]; + AVStereo3D *stereo; + AVSphericalMapping *spherical; + + switch (sd->type) { + case AV_PKT_DATA_DISPLAYMATRIX: + probe_object_header("displaymatrix"); + probe_array_header("matrix", 1); + for (j = 0; j < 9; j++) + probe_int(NULL, ((int32_t *)sd->data)[j]); + probe_array_footer("matrix", 1); + probe_int("rotation", + av_display_rotation_get((int32_t *)sd->data)); + probe_object_footer("displaymatrix"); + break; + case AV_PKT_DATA_STEREO3D: + stereo = (AVStereo3D *)sd->data; + probe_object_header("stereo3d"); + probe_str("type", av_stereo3d_type_name(stereo->type)); + probe_int("inverted", + !!(stereo->flags & AV_STEREO3D_FLAG_INVERT)); + probe_object_footer("stereo3d"); + break; + case AV_PKT_DATA_SPHERICAL: + spherical = (AVSphericalMapping *)sd->data; + probe_object_header("spherical"); + + if (spherical->projection == AV_SPHERICAL_EQUIRECTANGULAR) + probe_str("projection", "equirectangular"); + else if (spherical->projection == AV_SPHERICAL_CUBEMAP) + probe_str("projection", "cubemap"); + else + probe_str("projection", "unknown"); + + probe_object_header("orientation"); + probe_int("yaw", (double) spherical->yaw / (1 << 16)); + probe_int("pitch", (double) spherical->pitch / (1 << 16)); + probe_int("roll", (double) spherical->roll / (1 << 16)); + probe_object_footer("orientation"); + + probe_object_footer("spherical"); + break; + } + } + probe_object_footer("sidedata"); + } + probe_object_footer("stream"); } -static void show_format(AVFormatContext *fmt_ctx) +static void show_format(InputFile *ifile) { + AVFormatContext *fmt_ctx = ifile->fmt_ctx; char val_str[128]; int64_t size = fmt_ctx->pb ? avio_size(fmt_ctx->pb) : -1; @@ -694,7 +845,7 @@ static void show_format(AVFormatContext *fmt_ctx) probe_object_footer("format"); } -static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename) +static int open_input_file(InputFile *ifile, const char *filename) { int err, i; AVFormatContext *fmt_ctx = NULL; @@ -719,64 +870,95 @@ static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename) av_dump_format(fmt_ctx, 0, filename, 0); + ifile->streams = av_mallocz_array(fmt_ctx->nb_streams, + sizeof(*ifile->streams)); + if (!ifile->streams) + exit(1); + ifile->nb_streams = fmt_ctx->nb_streams; + /* bind a decoder to each input stream */ for (i = 0; i < fmt_ctx->nb_streams; i++) { + InputStream *ist = &ifile->streams[i]; AVStream *stream = fmt_ctx->streams[i]; AVCodec *codec; - if (stream->codec->codec_id == AV_CODEC_ID_PROBE) { + ist->st = stream; + + if (stream->codecpar->codec_id == AV_CODEC_ID_PROBE) { fprintf(stderr, "Failed to probe codec for input stream %d\n", stream->index); - } else if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) { + continue; + } + + codec = avcodec_find_decoder(stream->codecpar->codec_id); + if (!codec) { fprintf(stderr, "Unsupported codec with id %d for input stream %d\n", - stream->codec->codec_id, stream->index); - } else if (avcodec_open2(stream->codec, codec, NULL) < 0) { + stream->codecpar->codec_id, stream->index); + continue; + } + + ist->dec_ctx = avcodec_alloc_context3(codec); + if (!ist->dec_ctx) + exit(1); + + err = avcodec_parameters_to_context(ist->dec_ctx, stream->codecpar); + if (err < 0) + exit(1); + + err = avcodec_open2(ist->dec_ctx, NULL, NULL); + if (err < 0) { fprintf(stderr, "Error while opening codec for input stream %d\n", stream->index); + exit(1); + } } - *fmt_ctx_ptr = fmt_ctx; + ifile->fmt_ctx = fmt_ctx; return 0; } -static void close_input_file(AVFormatContext **ctx_ptr) +static void close_input_file(InputFile *ifile) { int i; - AVFormatContext *fmt_ctx = *ctx_ptr; /* close decoder for each stream */ - for (i = 0; i < fmt_ctx->nb_streams; i++) { - AVStream *stream = fmt_ctx->streams[i]; + for (i = 0; i < ifile->nb_streams; i++) { + InputStream *ist = &ifile->streams[i]; - avcodec_close(stream->codec); + avcodec_free_context(&ist->dec_ctx); } - avformat_close_input(ctx_ptr); + + av_freep(&ifile->streams); + ifile->nb_streams = 0; + + avformat_close_input(&ifile->fmt_ctx); } static int probe_file(const char *filename) { - AVFormatContext *fmt_ctx; + InputFile ifile; int ret, i; - if ((ret = open_input_file(&fmt_ctx, filename))) + ret = open_input_file(&ifile, filename); + if (ret < 0) return ret; if (do_show_format) - show_format(fmt_ctx); + show_format(&ifile); if (do_show_streams) { - probe_array_header("streams"); - for (i = 0; i < fmt_ctx->nb_streams; i++) - show_stream(fmt_ctx, i); - probe_array_footer("streams"); + probe_array_header("streams", 0); + for (i = 0; i < ifile.nb_streams; i++) + show_stream(&ifile, &ifile.streams[i]); + probe_array_footer("streams", 0); } if (do_show_packets) - show_packets(fmt_ctx); + show_packets(&ifile); - close_input_file(&fmt_ctx); + close_input_file(&ifile); return 0; } @@ -814,6 +996,7 @@ static int opt_output_format(void *optctx, const char *opt, const char *arg) octx.print_header = ini_print_header; octx.print_footer = ini_print_footer; octx.print_array_header = ini_print_array_header; + octx.print_array_footer = ini_print_array_footer; octx.print_object_header = ini_print_object_header; octx.print_integer = ini_print_integer; @@ -848,13 +1031,44 @@ static int opt_show_format_entry(void *optctx, const char *opt, const char *arg) return 0; } +static int opt_show_stream_entry(void *optctx, const char *opt, const char *arg) +{ + const char *p = arg; + + do_show_streams = 1; + nb_stream_entries_to_show++; + octx.print_header = NULL; + octx.print_footer = NULL; + octx.print_array_header = show_stream_entry_header; + octx.print_array_footer = show_stream_entry_footer; + octx.print_object_header = NULL; + octx.print_object_footer = NULL; + + octx.print_integer = show_stream_entry_integer; + octx.print_string = show_stream_entry_string; + + while (*p) { + char *val = av_get_token(&p, ","); + if (!val) + return AVERROR(ENOMEM); + + av_dict_set(&stream_entries_to_show, val, "", 0); + + av_free(val); + if (*p) + p++; + } + + return 0; +} + static void opt_input_file(void *optctx, const char *arg) { if (input_filename) { fprintf(stderr, "Argument '%s' provided as input filename, but '%s' was already specified.\n", arg, input_filename); - exit(1); + exit_program(1); } if (!strcmp(arg, "-")) arg = "pipe:"; @@ -880,7 +1094,7 @@ static int opt_pretty(void *optctx, const char *opt, const char *arg) } static const OptionDef real_options[] = { -#include "cmdutils_common_opts.h" + CMDUTILS_COMMON_OPTIONS { "f", HAS_ARG, {.func_arg = opt_format}, "force format", "format" }, { "of", HAS_ARG, {.func_arg = opt_output_format}, "output the document either as ini or json", "output_format" }, { "unit", OPT_BOOL, {&show_value_unit}, @@ -898,6 +1112,8 @@ static const OptionDef real_options[] = { "show a particular entry from the format/container info", "entry" }, { "show_packets", OPT_BOOL, {&do_show_packets}, "show packets info" }, { "show_streams", OPT_BOOL, {&do_show_streams}, "show streams info" }, + { "show_stream_entry", HAS_ARG, {.func_arg = opt_show_stream_entry}, + "show a particular entry from all streams (comma separated)", "entry" }, { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {.func_arg = opt_default}, "generic catch all option", "" }, { NULL, }, @@ -919,7 +1135,7 @@ int main(int argc, char **argv) if (!buffer) exit(1); - atexit(exit_program); + register_exit(avprobe_cleanup); options = real_options; parse_loglevel(argc, argv, options); @@ -936,6 +1152,7 @@ int main(int argc, char **argv) octx.print_footer = ini_print_footer; octx.print_array_header = ini_print_array_header; + octx.print_array_footer = ini_print_array_footer; octx.print_object_header = ini_print_object_header; octx.print_integer = ini_print_integer; @@ -949,20 +1166,21 @@ int main(int argc, char **argv) fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'.\n", program_name); - exit(1); + exit_program(1); } probe_out = avio_alloc_context(buffer, AVP_BUFFSIZE, 1, NULL, NULL, probe_buf_write, NULL); if (!probe_out) - exit(1); + exit_program(1); probe_header(); ret = probe_file(input_filename); probe_footer(); avio_flush(probe_out); - avio_close(probe_out); - + avio_context_free(&probe_out); + av_freep(&buffer); + uninit_opts(); avformat_network_deinit(); return ret;