3 files changed, 18 insertions, 8 deletions
diff --git a/src/codec/ffmpeg/avio.c b/src/codec/ffmpeg/avio.c
index 855a4de..154152e 100644
--- a/src/codec/ffmpeg/avio.c
+++ b/src/codec/ffmpeg/avio.c
@@ -2,10 +2,16 @@
 
 #include "../../cache/handle.h"
 
-s32 camu_avio_read(void *data, u8 *buf, s32 size)
+s32 camu_avio_read(void *data, u8 *buf, s32 count)
 {
     struct cch_handle *handle = (struct cch_handle *)data;
-    return cch_handle_read(handle, buf, size);
+    return cch_handle_read(handle, buf, count);
+}
+
+s32 camu_avio_write(void *data, const u8 *buf, s32 count)
+{
+    struct cch_handle *handle = (struct cch_handle *)data;
+    return cch_handle_write(handle, buf, count);
 }
 
 s64 camu_avio_seek(void *data, s64 offset, s32 whence)
diff --git a/src/codec/ffmpeg/common.c b/src/codec/ffmpeg/common.c
index d96dc76..259ba90 100644
--- a/src/codec/ffmpeg/common.c
+++ b/src/codec/ffmpeg/common.c
@@ -38,7 +38,7 @@ static void av_log_callback(void *userdata, s32 level, const char *fmt, va_list
     log_context.pos += ret;
 
     if ((log_context.pos > 0 && *(offset - 1) == '\n') || log_context.pos >= AV_LOG_MAX_CHUNK) {
-        if (level <= AV_LOG_INFO) {
+        if (level < AV_LOG_WARNING) {
             log_info(log_context.buf);
         } else {
             log_debug(log_context.buf);
diff --git a/src/codec/ffmpeg/demuxer.c b/src/codec/ffmpeg/demuxer.c
index d45a970..c5ca20c 100644
--- a/src/codec/ffmpeg/demuxer.c
+++ b/src/codec/ffmpeg/demuxer.c
@@ -95,7 +95,7 @@ static bool ff_demuxer_init(struct camu_demuxer *demux, struct cch_handle *handl
                 if (stream->duration < 0) {
                     stream->duration = av_rescale_q(default_duration, AV_TIME_BASE_Q, stream->time_base);
                     al_assert(stream->duration >= 0);
-                    log_warn("Stream #%u has an invalid duration, defaulting to %.3fs.",
+                    log_debug("Stream #%u has an invalid duration, defaulting to %.3fs.",
                         i, stream->duration * av_q2d(stream->time_base));
                 }
                 duration = (u64)av_rescale_q(stream->duration, stream->time_base, AV_TIME_BASE_Q);
@@ -162,19 +162,23 @@ static u64 ff_demuxer_get_duration(struct camu_demuxer *demux)
     return av->duration;
 }
 
-static bool ff_demuxer_seek(struct camu_demuxer *demux, u64 pos)
+static bool ff_demuxer_seek(struct camu_demuxer *demux, u64 pos, bool bytes)
 {
     struct camu_ff_demuxer *av = (struct camu_ff_demuxer *)demux;
-    al_assert(pos <= INT64_MAX);
-    if (pos > av->duration) pos = av->duration;
     if (av->eof) {
         // avio_flush() here probably does nothing.
         avio_flush(av->io_context);
         avformat_flush(av->format_context);
         av->eof = false;
     }
+    al_assert(pos <= INT64_MAX);
+    al_assert(!(bytes && av->format_context->flags & AVFMT_NO_BYTE_SEEK));
+    if (!bytes && pos > av->duration) pos = av->duration;
     s64 ts = (s64)pos;
-    if (avformat_seek_file(av->format_context, -1, INT64_MIN, ts, ts, 0) < 0) {
+    s32 flags = bytes ? AVSEEK_FLAG_BYTE : 0;
+    s32 ret = avformat_seek_file(av->format_context, -1, INT64_MIN, ts, ts, flags);
+    if (ret < 0) {
+        log_error("Failed to seek resource (%s).", av_err2str(ret));
         return false;
     }
     return true;