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Code Issues Releases Wiki Activity

demux_mkv_timeline: move uids array to context too

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Again removes some indirections and extra arguments.

Also replace some memcpy/memmoves with assignments. (Assignments became
possible only later, when reference UIDs were turned into a struct.)
This commit is contained in:
wm4 2015-02-25 13:26:43 +01:00
parent 2bf0a5f2bc
commit 02bd54c0ac
1 changed files with 26 additions and 31 deletions
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57
demux/demux_mkv_timeline.c
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@ -57,6 +57,7 @@ struct tl_ctx {
struct timeline_part *timeline;
int num_parts;
struct matroska_segment_uid *uids;
uint64_t start_time; // When the next part should start on the complete timeline.
uint64_t missing_time; // Total missing time so far.
uint64_t last_end_time; // When the last part ended on the complete timeline.
@ -149,27 +150,24 @@ static char **find_files(const char *original_file)
return results;
}
static bool has_source_request(struct matroska_segment_uid *uids,
int num_sources,
static bool has_source_request(struct tl_ctx *ctx,
struct matroska_segment_uid *new_uid)
{
for (int i = 0; i < num_sources; ++i) {
if (demux_matroska_uid_cmp(uids + i, new_uid))
for (int i = 0; i < ctx->num_sources; ++i) {
if (demux_matroska_uid_cmp(&ctx->uids[i], new_uid))
return true;
}
return false;
}
// segment = get Nth segment of a multi-segment file
static bool check_file_seg(struct tl_ctx *ctx, struct matroska_segment_uid **uids,
char *filename, int segment)
static bool check_file_seg(struct tl_ctx *ctx, char *filename, int segment)
{
bool was_valid = false;
struct demuxer_params params = {
.force_format = "mkv",
.matroska_num_wanted_uids = ctx->num_sources,
.matroska_wanted_uids = *uids,
.matroska_wanted_uids = ctx->uids,
.matroska_wanted_segment = segment,
.matroska_was_valid = &was_valid,
.disable_cache = true,
@ -185,7 +183,7 @@ static bool check_file_seg(struct tl_ctx *ctx, struct matroska_segment_uid **uid
struct matroska_data *m = &d->matroska_data;
for (int i = 1; i < ctx->num_sources; i++) {
struct matroska_segment_uid *uid = *uids + i;
struct matroska_segment_uid *uid = &ctx->uids[i];
if (ctx->sources[i])
continue;
/* Accept the source if the segment uid matches and the edition
@ -201,12 +199,12 @@ static bool check_file_seg(struct tl_ctx *ctx, struct matroska_segment_uid **uid
if (!c->has_segment_uid)
continue;
if (has_source_request(*uids, ctx->num_sources, &c->uid))
if (has_source_request(ctx, &c->uid))
continue;
/* Set the requested segment. */
MP_TARRAY_GROW(NULL, *uids, ctx->num_sources);
(*uids)[ctx->num_sources] = c->uid;
MP_TARRAY_GROW(NULL, ctx->uids, ctx->num_sources);
ctx->uids[ctx->num_sources] = c->uid;
/* Add a new source slot. */
MP_TARRAY_APPEND(NULL, ctx->sources, ctx->num_sources, NULL);
@ -230,11 +228,10 @@ static bool check_file_seg(struct tl_ctx *ctx, struct matroska_segment_uid **uid
return was_valid;
}
static void check_file(struct tl_ctx *ctx, struct matroska_segment_uid **uids,
char *filename, int first)
static void check_file(struct tl_ctx *ctx, char *filename, int first)
{
for (int segment = first; ; segment++) {
if (!check_file_seg(ctx, uids, filename, segment))
if (!check_file_seg(ctx, filename, segment))
break;
}
}
@ -248,8 +245,7 @@ static bool missing(struct tl_ctx *ctx)
return false;
}
static void find_ordered_chapter_sources(struct tl_ctx *ctx,
struct matroska_segment_uid **uids)
static void find_ordered_chapter_sources(struct tl_ctx *ctx)
{
struct MPOpts *opts = ctx->global->opts;
void *tmp = talloc_new(NULL);
@ -277,7 +273,7 @@ static void find_ordered_chapter_sources(struct tl_ctx *ctx,
talloc_steal(tmp, filenames);
}
// Possibly get further segments appended to the first segment
check_file(ctx, uids, main_filename, 1);
check_file(ctx, main_filename, 1);
}
int old_source_count;
@ -287,7 +283,7 @@ static void find_ordered_chapter_sources(struct tl_ctx *ctx,
if (!missing(ctx))
break;
MP_VERBOSE(ctx, "Checking file %s\n", filenames[i]);
check_file(ctx, uids, filenames[i], 0);
check_file(ctx, filenames[i], 0);
}
} while (old_source_count != ctx->num_sources);
@ -296,10 +292,8 @@ static void find_ordered_chapter_sources(struct tl_ctx *ctx,
int j = 1;
for (int i = 1; i < ctx->num_sources; i++) {
if (ctx->sources[i]) {
struct matroska_segment_uid *source_uid = *uids + i;
struct matroska_segment_uid *target_uid = *uids + j;
ctx->sources[j] = ctx->sources[i];
memmove(target_uid, source_uid, sizeof(*source_uid));
ctx->uids[j] = ctx->uids[i];
j++;
}
}
@ -533,11 +527,10 @@ void build_ordered_chapter_timeline(struct timeline *tl)
ctx->sources[0] = demuxer;
ctx->num_sources = 1;
struct matroska_segment_uid *uids =
talloc_zero_array(NULL, struct matroska_segment_uid,
m->num_ordered_chapters + 1);
memcpy(uids[0].segment, m->uid.segment, 16);
uids[0].edition = 0;
ctx->uids = talloc_zero_array(NULL, struct matroska_segment_uid,
m->num_ordered_chapters + 1);
ctx->uids[0] = m->uid;
ctx->uids[0].edition = 0;
for (int i = 0; i < m->num_ordered_chapters; i++) {
struct matroska_chapter *c = m->ordered_chapters + i;
@ -548,16 +541,18 @@ void build_ordered_chapter_timeline(struct timeline *tl)
if (!c->has_segment_uid || demux_matroska_uid_cmp(&c->uid, &m->uid))
continue;
if (has_source_request(uids, ctx->num_sources, &c->uid))
if (has_source_request(ctx, &c->uid))
continue;
memcpy(uids + ctx->num_sources, &c->uid, sizeof(c->uid));
ctx->uids[ctx->num_sources] = c->uid;
ctx->sources[ctx->num_sources] = NULL;
ctx->num_sources++;
}
find_ordered_chapter_sources(ctx, &uids);
talloc_free(uids);
find_ordered_chapter_sources(ctx);
talloc_free(ctx->uids);
ctx->uids = NULL;
struct demux_chapter *chapters =
talloc_zero_array(tl, struct demux_chapter, m->num_ordered_chapters);