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Code Issues Releases Activity

Allow values >31bit for -analyzeduration.

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This commit is contained in:
Carl Eugen Hoyos 2014-06-10 14:28:34 +02:00
parent 2351ea8a2e
commit 5482780a3b
5 changed files with 22 additions and 9 deletions
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4
doc/APIchanges
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@ -15,6 +15,10 @@ libavutil: 2012-10-22
API changes, most recent first:
2014-06-10 - xxxxxxx - lavf 55.43.100 - avformat.h
New field int64_t max_analyze_duration2 instead of deprecated
int max_analyze_duration.
2014-05-30 - xxxxxxx - lavu 52.89.100 - opt.h
Add av_opt_copy()

15
libavformat/avformat.h
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@ -1288,11 +1288,9 @@ typedef struct AVFormatContext {
unsigned int probesize;
/**
* Maximum duration (in AV_TIME_BASE units) of the data read
* from input in avformat_find_stream_info().
* Demuxing only, set by the caller before avformat_find_stream_info().
* Can be set to 0 to let avformat choose using a heuristic.
* @deprecated deprecated in favor of max_analyze_duration2
*/
attribute_deprecated
int max_analyze_duration;
const uint8_t *key;
@ -1649,6 +1647,15 @@ typedef struct AVFormatContext {
* Muxing: set by user via AVOptions (NO direct access)
*/
int64_t output_ts_offset;
/**
* Maximum duration (in AV_TIME_BASE units) of the data read
* from input in avformat_find_stream_info().
* Demuxing only, set by the caller before avformat_find_stream_info()
* via AVOptions (NO direct access).
* Can be set to 0 to let avformat choose using a heuristic.
*/
int64_t max_analyze_duration2;
} AVFormatContext;
int av_format_get_probe_score(const AVFormatContext *s);

2
libavformat/options_table.h
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@ -53,7 +53,7 @@ static const AVOption avformat_options[] = {
{"nobuffer", "reduce the latency introduced by optional buffering", 0, AV_OPT_TYPE_CONST, {.i64 = AVFMT_FLAG_NOBUFFER }, 0, INT_MAX, D, "fflags"},
{"seek2any", "allow seeking to non-keyframes on demuxer level when supported", OFFSET(seek2any), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, 1, D},
{"bitexact", "do not write random/volatile data", 0, AV_OPT_TYPE_CONST, { .i64 = AVFMT_FLAG_BITEXACT }, 0, 0, E, "fflags" },
{"analyzeduration", "specify how many microseconds are analyzed to probe the input", OFFSET(max_analyze_duration), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, INT_MAX, D},
{"analyzeduration", "specify how many microseconds are analyzed to probe the input", OFFSET(max_analyze_duration2), AV_OPT_TYPE_INT64, {.i64 = 0 }, 0, INT64_MAX, D},
{"cryptokey", "decryption key", OFFSET(key), AV_OPT_TYPE_BINARY, {.dbl = 0}, 0, 0, D},
{"indexmem", "max memory used for timestamp index (per stream)", OFFSET(max_index_size), AV_OPT_TYPE_INT, {.i64 = 1<<20 }, 0, INT_MAX, D},
{"rtbufsize", "max memory used for buffering real-time frames", OFFSET(max_picture_buffer), AV_OPT_TYPE_INT, {.i64 = 3041280 }, 0, INT_MAX, D}, /* defaults to 1s of 15fps 352x288 YUYV422 video */

6
libavformat/utils.c
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@ -3095,7 +3095,9 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options)
// new streams might appear, no options for those
int orig_nb_streams = ic->nb_streams;
int flush_codecs = ic->probesize > 0;
int max_analyze_duration = ic->max_analyze_duration;
int64_t max_analyze_duration = ic->max_analyze_duration2;
if (!max_analyze_duration)
max_analyze_duration = ic->max_analyze_duration;
if (!max_analyze_duration) {
if (!strcmp(ic->iformat->name, "flv") && !(ic->ctx_flags & AVFMTCTX_NOHEADER)) {
@ -3317,7 +3319,7 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options)
t = FFMAX(t, av_rescale_q(st->info->fps_last_dts - st->info->fps_first_dts, st->time_base, AV_TIME_BASE_Q));
if (t >= max_analyze_duration) {
av_log(ic, AV_LOG_VERBOSE, "max_analyze_duration %d reached at %"PRId64" microseconds\n",
av_log(ic, AV_LOG_VERBOSE, "max_analyze_duration %"PRId64" reached at %"PRId64" microseconds\n",
max_analyze_duration,
t);
break;

4
libavformat/version.h
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@ -30,8 +30,8 @@
#include "libavutil/version.h"
#define LIBAVFORMAT_VERSION_MAJOR 55
#define LIBAVFORMAT_VERSION_MINOR 42
#define LIBAVFORMAT_VERSION_MICRO 101
#define LIBAVFORMAT_VERSION_MINOR 43
#define LIBAVFORMAT_VERSION_MICRO 100
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
LIBAVFORMAT_VERSION_MINOR, \