mirror of https://git.ffmpeg.org/ffmpeg.git
avutil/tests/channel_layout: add tests for av_channel_order_retype
Signed-off-by: Marton Balint <cus@passwd.hu>
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@ -24,7 +24,9 @@
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#include "libavutil/bprint.h"
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#include "libavutil/channel_layout.h"
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#include "libavutil/error.h"
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#include "libavutil/internal.h"
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#include "libavutil/macros.h"
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#include "libavutil/mem.h"
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#define BPRINT_ARGS1(bp, ...) (bp), __VA_ARGS__
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@ -112,6 +114,53 @@ static void channel_layout_from_string(AVChannelLayout *layout,
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av_bprintf(bp, "fail");
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}
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static const char* channel_order_names[] = {"UNSPEC", "NATIVE", "CUSTOM", "AMBI"};
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static void describe_type(AVBPrint *bp, AVChannelLayout *layout)
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{
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if (layout->order >= 0 && layout->order < FF_ARRAY_ELEMS(channel_order_names)) {
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av_bprintf(bp, "%-6s (", channel_order_names[layout->order]);
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av_channel_layout_describe_bprint(layout, bp);
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av_bprintf(bp, ")");
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} else {
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av_bprintf(bp, "???");
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}
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}
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static const char *channel_layout_retype(AVChannelLayout *layout, AVBPrint *bp, const char *channel_layout)
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{
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av_channel_layout_uninit(layout);
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av_bprint_clear(bp);
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if (!av_channel_layout_from_string(layout, channel_layout) &&
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av_channel_layout_check(layout)) {
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describe_type(bp, layout);
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for (int i = 0; i < FF_CHANNEL_ORDER_NB; i++) {
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int ret;
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AVChannelLayout copy = {0};
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av_bprintf(bp, "\n ");
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if (av_channel_layout_copy(©, layout) < 0)
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return "nomem";
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ret = av_channel_layout_retype(©, i, 0);
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if (ret < 0 && (copy.order != layout->order || av_channel_layout_compare(©, layout)))
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av_bprintf(bp, "failed to keep existing layout on failure");
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if (ret >= 0 && copy.order != i)
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av_bprintf(bp, "returned success but did not change order");
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if (ret == AVERROR(ENOSYS)) {
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av_bprintf(bp, " != %s", channel_order_names[i]);
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} else if (ret < 0) {
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av_bprintf(bp, "FAIL");
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} else {
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av_bprintf(bp, " %s ", ret ? "~~" : "==");
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describe_type(bp, ©);
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}
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av_channel_layout_uninit(©);
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}
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} else {
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av_bprintf(bp, "fail");
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}
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return bp->str;
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}
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#define CHANNEL_NAME(x) \
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channel_name(&bp, (x));
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@ -435,6 +484,20 @@ int main(void)
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av_channel_layout_uninit(&layout);
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av_channel_layout_uninit(&layout2);
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printf("\nTesting av_channel_layout_retype\n");
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{
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const char* layouts[] = {
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"FL@Boo",
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"stereo",
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"FR+FL",
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"ambisonic 2+stereo",
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"2C",
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NULL
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};
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for (int i = 0; layouts[i]; i++)
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printf("With \"%s\": %s\n", layouts[i], channel_layout_retype(&layout, &bp, layouts[i]));
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}
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av_bprint_finalize(&bp, NULL);
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return 0;
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@ -185,3 +185,30 @@ On "ambisonic 2+stereo" layout with 11: -1
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Testing av_channel_layout_subset
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On "ambisonic 2+stereo" layout with AV_CH_LAYOUT_STEREO: 0x3
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On "ambisonic 2+stereo" layout with AV_CH_LAYOUT_QUAD: 0x3
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Testing av_channel_layout_retype
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With "FL@Boo": CUSTOM (1 channels (FL@Boo))
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~~ UNSPEC (1 channels)
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~~ NATIVE (1 channels (FL))
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== CUSTOM (1 channels (FL@Boo))
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!= AMBI
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With "stereo": NATIVE (stereo)
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~~ UNSPEC (2 channels)
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== NATIVE (stereo)
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== CUSTOM (2 channels (FL+FR))
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!= AMBI
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With "FR+FL": CUSTOM (2 channels (FR+FL))
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~~ UNSPEC (2 channels)
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!= NATIVE
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== CUSTOM (2 channels (FR+FL))
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!= AMBI
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With "ambisonic 2+stereo": AMBI (ambisonic 2+stereo)
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~~ UNSPEC (11 channels)
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!= NATIVE
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== CUSTOM (ambisonic 2+2 channels (FL+FR))
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== AMBI (ambisonic 2+stereo)
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With "2C": UNSPEC (2 channels)
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== UNSPEC (2 channels)
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!= NATIVE
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== CUSTOM (2 channels (USR768+USR768))
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!= AMBI
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