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Code Issues Releases Activity

avformat/format: Replace nodat by enum

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This makes the code much more readable

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2016-01-30 21:48:16 +01:00
parent 32bf4a72e3
commit 8619582bdf
1 changed files with 12 additions and 7 deletions
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19
libavformat/format.c
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@ -171,8 +171,13 @@ AVInputFormat *av_probe_input_format3(AVProbeData *pd, int is_opened,
{
AVProbeData lpd = *pd;
AVInputFormat *fmt1 = NULL, *fmt;
int score, nodat = 0, score_max = 0;
int score, score_max = 0;
const static uint8_t zerobuffer[AVPROBE_PADDING_SIZE];
enum nodat {
NO_ID3,
ID3_GREATER_PROBE,
ID3_GREATER_MAX_PROBE,
} nodat = NO_ID3;
if (!lpd.buf)
lpd.buf = (unsigned char *) zerobuffer;
@ -183,9 +188,9 @@ AVInputFormat *av_probe_input_format3(AVProbeData *pd, int is_opened,
lpd.buf += id3len;
lpd.buf_size -= id3len;
} else if (id3len >= PROBE_BUF_MAX) {
nodat = 2;
nodat = ID3_GREATER_MAX_PROBE;
} else
nodat = 1;
nodat = ID3_GREATER_PROBE;
}
fmt = NULL;
@ -198,9 +203,9 @@ AVInputFormat *av_probe_input_format3(AVProbeData *pd, int is_opened,
if (score)
av_log(NULL, AV_LOG_TRACE, "Probing %s score:%d size:%d\n", fmt1->name, score, lpd.buf_size);
if (fmt1->extensions && av_match_ext(lpd.filename, fmt1->extensions)) {
if (nodat == 0) score = FFMAX(score, 1);
else if (nodat == 1) score = FFMAX(score, AVPROBE_SCORE_EXTENSION / 2 - 1);
else score = FFMAX(score, AVPROBE_SCORE_EXTENSION);
if (nodat == NO_ID3) score = FFMAX(score, 1);
else if (nodat == ID3_GREATER_PROBE) score = FFMAX(score, AVPROBE_SCORE_EXTENSION / 2 - 1);
else score = FFMAX(score, AVPROBE_SCORE_EXTENSION);
}
} else if (fmt1->extensions) {
if (av_match_ext(lpd.filename, fmt1->extensions))
@ -214,7 +219,7 @@ AVInputFormat *av_probe_input_format3(AVProbeData *pd, int is_opened,
} else if (score == score_max)
fmt = NULL;
}
if (nodat == 1)
if (nodat == ID3_GREATER_PROBE)
score_max = FFMIN(AVPROBE_SCORE_EXTENSION / 2 - 1, score_max);
*score_ret = score_max;