From: Zane van Iperen <zane@zanevaniperen.com>
To: ffmpeg-devel@ffmpeg.org
Subject: [FFmpeg-devel] [PATCH 1/2] avformat/argo_cvg: name unk{1, 2} fields correctly
Date: Sun, 17 Jul 2022 23:31:42 +1000
Message-ID: <20220717133143.881124-1-zane@zanevaniperen.com> (raw)
Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
---
libavformat/argo_cvg.c | 33 +++++++++++++++++----------------
1 file changed, 17 insertions(+), 16 deletions(-)
diff --git a/libavformat/argo_cvg.c b/libavformat/argo_cvg.c
index f32487023a..2ee4a64449 100644
--- a/libavformat/argo_cvg.c
+++ b/libavformat/argo_cvg.c
@@ -40,9 +40,9 @@
#define ARGO_CVG_SAMPLES_PER_BLOCK 28
typedef struct ArgoCVGHeader {
- uint32_t size; /*< File size -8 (this + trailing checksum) */
- uint32_t unk1; /*< Unknown. Always seems to be 0 or 1. */
- uint32_t unk2; /*< Unknown. Always seems to be 0 or 1. */
+ uint32_t size; /*< File size -8 (this + trailing checksum) */
+ uint32_t loop; /*< Loop flag. */
+ uint32_t reverb; /*< Reverb flag. */
} ArgoCVGHeader;
typedef struct ArgoCVGOverride {
@@ -91,17 +91,17 @@ static int argo_cvg_probe(const AVProbeData *p)
if (p->buf_size < ARGO_CVG_HEADER_SIZE)
return 0;
- cvg.size = AV_RL32(p->buf + 0);
- cvg.unk1 = AV_RL32(p->buf + 4);
- cvg.unk2 = AV_RL32(p->buf + 8);
+ cvg.size = AV_RL32(p->buf + 0);
+ cvg.loop = AV_RL32(p->buf + 4);
+ cvg.reverb = AV_RL32(p->buf + 8);
if (cvg.size < 8)
return 0;
- if (cvg.unk1 != 0 && cvg.unk1 != 1)
+ if (cvg.loop != 0 && cvg.loop != 1)
return 0;
- if (cvg.unk2 != 0 && cvg.unk2 != 1)
+ if (cvg.reverb != 0 && cvg.reverb != 1)
return 0;
return AVPROBE_SCORE_MAX / 4 + 1;
@@ -150,15 +150,16 @@ static int argo_cvg_read_header(AVFormatContext *s)
else if (ret != ARGO_CVG_HEADER_SIZE)
return AVERROR(EIO);
- ctx->header.size = AV_RL32(buf + 0);
- ctx->header.unk1 = AV_RL32(buf + 4);
- ctx->header.unk2 = AV_RL32(buf + 8);
+ ctx->header.size = AV_RL32(buf + 0);
+ ctx->header.loop = AV_RL32(buf + 4);
+ ctx->header.reverb = AV_RL32(buf + 8);
if (ctx->header.size < 8)
return AVERROR_INVALIDDATA;
av_log(s, AV_LOG_TRACE, "size = %u\n", ctx->header.size);
- av_log(s, AV_LOG_TRACE, "unk = %u, %u\n", ctx->header.unk1, ctx->header.unk2);
+ av_log(s, AV_LOG_TRACE, "loop = %u\n", ctx->header.loop);
+ av_log(s, AV_LOG_TRACE, "reverb = %u\n", ctx->header.reverb);
if ((ret = argo_cvg_read_checksum(s->pb, &ctx->header, &ctx->checksum)) < 0)
return ret;
@@ -172,10 +173,10 @@ static int argo_cvg_read_header(AVFormatContext *s)
for (size_t i = 0; i < FF_ARRAY_ELEMS(overrides); i++) {
const ArgoCVGOverride *ovr = overrides + i;
- if (ovr->header.size != ctx->header.size ||
- ovr->header.unk1 != ctx->header.unk1 ||
- ovr->header.unk2 != ctx->header.unk2 ||
- ovr->checksum != ctx->checksum ||
+ if (ovr->header.size != ctx->header.size ||
+ ovr->header.loop != ctx->header.loop ||
+ ovr->header.reverb != ctx->header.reverb ||
+ ovr->checksum != ctx->checksum ||
av_strcasecmp(filename, ovr->name) != 0)
continue;
--
2.36.1
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
next reply other threads:[~2022-07-17 13:32 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-17 13:31 Zane van Iperen [this message]
2022-07-17 13:31 ` [FFmpeg-devel] [PATCH 2/2] avformat/argo_cvg: add -loop and -reverb options Zane van Iperen
2022-07-18 13:45 ` [FFmpeg-devel] [PATCH 1/2] avformat/argo_cvg: name unk{1, 2} fields correctly Andreas Rheinhardt
2022-07-20 8:56 ` Zane van Iperen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20220717133143.881124-1-zane@zanevaniperen.com \
--to=zane@zanevaniperen.com \
--cc=ffmpeg-devel@ffmpeg.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Git Inbox Mirror of the ffmpeg-devel mailing list - see https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
This inbox may be cloned and mirrored by anyone:
git clone --mirror https://master.gitmailbox.com/ffmpegdev/0 ffmpegdev/git/0.git
# If you have public-inbox 1.1+ installed, you may
# initialize and index your mirror using the following commands:
public-inbox-init -V2 ffmpegdev ffmpegdev/ https://master.gitmailbox.com/ffmpegdev \
ffmpegdev@gitmailbox.com
public-inbox-index ffmpegdev
Example config snippet for mirrors.
AGPL code for this site: git clone https://public-inbox.org/public-inbox.git