---
libavfilter/af_join.c | 84 +++++++++++++++++++++++----------------------------
1 file changed, 38 insertions(+), 46 deletions(-)
diff --git a/libavfilter/af_join.c b/libavfilter/af_join.c
index b61033f7a2..6c000b9257 100644
--- a/libavfilter/af_join.c
+++ b/libavfilter/af_join.c
@@ -37,8 +37,8 @@
typedef struct ChannelMap {
int input; ///< input stream index
int in_channel_idx; ///< index of in_channel in the input stream data
- uint64_t in_channel; ///< layout describing the input channel
- uint64_t out_channel; ///< layout describing the output channel
+ enum AVChannel in_channel; ///< input channel
+ enum AVChannel out_channel; ///< output channel
} ChannelMap;
typedef struct JoinContext {
@@ -46,8 +46,7 @@ typedef struct JoinContext {
int inputs;
char *map;
- char *channel_layout_str;
- uint64_t channel_layout;
+ AVChannelLayout ch_layout;
int nb_channels;
ChannelMap *channels;
@@ -68,7 +67,7 @@ typedef struct JoinContext {
static const AVOption join_options[] = {
{ "inputs", "Number of input streams.", OFFSET(inputs),
AV_OPT_TYPE_INT, { .i64 = 2 }, 1, INT_MAX, A },
{ "channel_layout", "Channel layout of the "
- "output stream.",
OFFSET(channel_layout_str), AV_OPT_TYPE_STRING, {.str = "stereo"}, 0, 0, A },
+ "output stream.", OFFSET(ch_layout),
AV_OPT_TYPE_CHANNEL_LAYOUT, {.str = "stereo"}, 0, 0, A },
{ "map", "A comma-separated list of channels maps in the format
"
"'input_stream.input_channel-output_channel.",
OFFSET(map),
AV_OPT_TYPE_STRING, .flags = A },
@@ -106,7 +105,7 @@ static int parse_maps(AVFilterContext *ctx)
while (cur && *cur) {
char *sep, *next, *p;
- uint64_t in_channel = 0, out_channel = 0;
+ enum AVChannel in_channel = -1, out_channel;
int input_idx, out_ch_idx, in_ch_idx;
next = strchr(cur, separator);
@@ -122,26 +121,22 @@ static int parse_maps(AVFilterContext *ctx)
*sep++ = 0;
#define PARSE_CHANNEL(str, var, inout)
\
- if (!(var = av_get_channel_layout(str))) {
\
+ var = av_channel_from_string(str);
\
+ if ((int) var < 0) {
\
av_log(ctx, AV_LOG_ERROR, "Invalid " inout " channel: %s.\n",
str);\
return AVERROR(EINVAL);
\
}
\
- if (av_get_channel_layout_nb_channels(var) != 1) {
\
- av_log(ctx, AV_LOG_ERROR, "Channel map describes more than one "
\
- inout " channel.\n");
\
- return AVERROR(EINVAL);
\
- }
/* parse output channel */
PARSE_CHANNEL(sep, out_channel, "output");
- if (!(out_channel & s->channel_layout)) {
+
+ out_ch_idx = av_channel_layout_channel_index(&s->ch_layout,
+ out_channel);
+ if (out_ch_idx < 0) {
av_log(ctx, AV_LOG_ERROR, "Output channel '%s' is not present in "
"requested channel layout.\n", sep);
return AVERROR(EINVAL);
}
-
- out_ch_idx = av_get_channel_layout_channel_index(s->channel_layout,
- out_channel);
if (s->channels[out_ch_idx].input >= 0) {
av_log(ctx, AV_LOG_ERROR, "Multiple maps for output channel "
"'%s'.\n", sep);
@@ -167,7 +162,7 @@ static int parse_maps(AVFilterContext *ctx)
}
s->channels[out_ch_idx].input = input_idx;
- if (in_channel)
+ if ((int) in_channel >= 0)
s->channels[out_ch_idx].in_channel = in_channel;
else
s->channels[out_ch_idx].in_channel_idx = in_ch_idx;
@@ -182,14 +177,7 @@ static av_cold int join_init(AVFilterContext *ctx)
JoinContext *s = ctx->priv;
int ret, i;
- if (!(s->channel_layout = av_get_channel_layout(s->channel_layout_str))) {
- av_log(ctx, AV_LOG_ERROR, "Error parsing channel layout '%s'.\n",
- s->channel_layout_str);
- ret = AVERROR(EINVAL);
- goto fail;
- }
-
- s->nb_channels = av_get_channel_layout_nb_channels(s->channel_layout);
+ s->nb_channels = s->ch_layout.nb_channels;
s->channels = av_mallocz(sizeof(*s->channels) * s->nb_channels);
s->buffers = av_mallocz(sizeof(*s->buffers) * s->nb_channels);
s->input_frames = av_mallocz(sizeof(*s->input_frames) * s->inputs);
@@ -199,7 +187,7 @@ static av_cold int join_init(AVFilterContext *ctx)
}
for (i = 0; i < s->nb_channels; i++) {
- s->channels[i].out_channel =
av_channel_layout_extract_channel(s->channel_layout, i);
+ s->channels[i].out_channel =
av_channel_layout_get_channel(&s->ch_layout, i);
s->channels[i].input = -1;
}
@@ -246,7 +234,7 @@ static int join_query_formats(AVFilterContext *ctx)
AVFilterChannelLayouts *layouts = NULL;
int i;
- ff_add_channel_layout(&layouts, s->channel_layout);
+ ff_add_channel_layout(&layouts, s->ch_layout.u.mask);
ff_channel_layouts_ref(layouts, &ctx->outputs[0]->in_channel_layouts);
for (i = 0; i < ctx->nb_inputs; i++)
@@ -267,11 +255,11 @@ static void guess_map_matching(AVFilterContext *ctx,
ChannelMap *ch,
for (i = 0; i < ctx->nb_inputs; i++) {
AVFilterLink *link = ctx->inputs[i];
- if (ch->out_channel & link->channel_layout &&
- !(ch->out_channel & inputs[i])) {
+ if (av_channel_layout_channel_index(&link->ch_layout, ch->out_channel)
>= 0 &&
+ !((1ULL << ch->out_channel) & inputs[i])) {
ch->input = i;
ch->in_channel = ch->out_channel;
- inputs[i] |= ch->out_channel;
+ inputs[i] |= 1ULL << ch->out_channel;
return;
}
}
@@ -285,12 +273,14 @@ static void guess_map_any(AVFilterContext *ctx,
ChannelMap *ch,
for (i = 0; i < ctx->nb_inputs; i++) {
AVFilterLink *link = ctx->inputs[i];
- if ((inputs[i] & link->channel_layout) != link->channel_layout) {
- uint64_t unused = link->channel_layout & ~inputs[i];
+ if ((inputs[i] & link->ch_layout.u.mask) != link->ch_layout.u.mask) {
+ uint64_t unused = link->ch_layout.u.mask & ~inputs[i];
+ AVChannelLayout layout = {0};
+ av_channel_layout_from_mask(&layout, unused);
ch->input = i;
- ch->in_channel = av_channel_layout_extract_channel(unused, 0);
- inputs[i] |= ch->in_channel;
+ ch->in_channel = av_channel_layout_get_channel(&layout, 0);
+ inputs[i] |= 1ULL << ch->in_channel;
return;
}
}
@@ -315,19 +305,19 @@ static int join_config_output(AVFilterLink *outlink)
inlink = ctx->inputs[ch->input];
- if (!ch->in_channel)
- ch->in_channel =
av_channel_layout_extract_channel(inlink->channel_layout,
-
ch->in_channel_idx);
+ if ((int) ch->in_channel < 0)
+ ch->in_channel = av_channel_layout_get_channel(&inlink->ch_layout,
+ ch->in_channel_idx);
- if (!(ch->in_channel & inlink->channel_layout)) {
+ if ((int) ch->in_channel < 0) {
av_log(ctx, AV_LOG_ERROR, "Requested channel %s is not present in "
- "input stream #%d.\n", av_get_channel_name(ch->in_channel),
+ "input stream #%d.\n", av_channel_name(ch->in_channel),
ch->input);
ret = AVERROR(EINVAL);
goto fail;
}
- inputs[ch->input] |= ch->in_channel;
+ inputs[ch->input] |= 1ULL << ch->in_channel;
}
/* guess channel maps when not explicitly defined */
@@ -349,12 +339,12 @@ static int join_config_output(AVFilterLink *outlink)
if (ch->input < 0) {
av_log(ctx, AV_LOG_ERROR, "Could not find input channel for "
"output channel '%s'.\n",
- av_get_channel_name(ch->out_channel));
+ av_channel_name(ch->out_channel));
goto fail;
}
- ch->in_channel_idx =
av_get_channel_layout_channel_index(ctx->inputs[ch->input]->channel_layout,
-
ch->in_channel);
+ ch->in_channel_idx =
av_channel_layout_channel_index(&ctx->inputs[ch->input]->ch_layout,
+ ch->in_channel);
}
/* print mappings */
@@ -362,8 +352,8 @@ static int join_config_output(AVFilterLink *outlink)
for (i = 0; i < s->nb_channels; i++) {
ChannelMap *ch = &s->channels[i];
av_log(ctx, AV_LOG_VERBOSE, "%d.%s => %s ", ch->input,
- av_get_channel_name(ch->in_channel),
- av_get_channel_name(ch->out_channel));
+ av_channel_name(ch->in_channel),
+ av_channel_name(ch->out_channel));
}
av_log(ctx, AV_LOG_VERBOSE, "\n");
@@ -469,7 +459,9 @@ static int join_request_frame(AVFilterLink *outlink)
}
frame->nb_samples = nb_samples;
- frame->channel_layout = outlink->channel_layout;
+ ret = av_channel_layout_copy(&frame->ch_layout, &outlink->ch_layout);
+ if (ret < 0)
+ goto fail;
frame->sample_rate = outlink->sample_rate;
frame->format = outlink->format;
frame->pts = s->input_frames[0]->pts;
--
2.12.0
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