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qtdemux: InterleaveType enum

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8578>
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Devon Sookhoo 2025-03-05 14:08:50 +00:00 committed by GStreamer Marge Bot
parent ee9c8724c3
commit 2f2a6e76bc
1 changed files with 44 additions and 18 deletions
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62
subprojects/gst-plugins-good/gst/isomp4/qtdemux.c
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@ -11963,6 +11963,17 @@ typedef enum
// Values 0x8000 to 0xFFFF are user-defined
} ComponentType;
typedef enum
{
// ISO/IEC 23001-17 Table 4 - Interleave Types
INTERLEAVE_COMPONENT = 0, // Planar: RRR... GGG... BBB...
INTERLEAVE_PIXEL = 1, // Standard RGB RGB RGB ...
INTERLEAVE_MIXED = 2, // Typically used for YUV 420 data
INTERLEAVE_ROW = 3, // Interleaved by rows
INTERLEAVE_TILE = 4, // Interleaved by tiles
INTERLEAVE_MULTI_Y = 5, // Multiple Y components with a single UV pair
} InterleaveType;
typedef struct ComponentDefinitionBox
{
// ComponentDefinitionBox
@ -12141,20 +12152,26 @@ typedef struct ComponentFormatMapping
{
GstVideoFormat format;
guint num_components;
InterleaveType interleave_type;
guint16 component_types[4];
} ComponentFormatMapping;
static const ComponentFormatMapping component_lookup[] = {
{GST_VIDEO_FORMAT_GRAY8, 1, {COMPONENT_MONOCHROME}},
{GST_VIDEO_FORMAT_RGB, 3, {COMPONENT_RED, COMPONENT_GREEN, COMPONENT_BLUE}},
{GST_VIDEO_FORMAT_BGR, 3, {COMPONENT_BLUE, COMPONENT_GREEN, COMPONENT_RED}},
{GST_VIDEO_FORMAT_ARGB, 4,
{GST_VIDEO_FORMAT_GRAY8, 1, INTERLEAVE_COMPONENT,
{COMPONENT_MONOCHROME}},
{GST_VIDEO_FORMAT_GRAY8, 1, INTERLEAVE_PIXEL,
{COMPONENT_MONOCHROME}},
{GST_VIDEO_FORMAT_RGB, 3, INTERLEAVE_PIXEL,
{COMPONENT_RED, COMPONENT_GREEN, COMPONENT_BLUE}},
{GST_VIDEO_FORMAT_BGR, 3, INTERLEAVE_PIXEL,
{COMPONENT_BLUE, COMPONENT_GREEN, COMPONENT_RED}},
{GST_VIDEO_FORMAT_ARGB, 4, INTERLEAVE_PIXEL,
{COMPONENT_ALPHA, COMPONENT_RED, COMPONENT_GREEN, COMPONENT_BLUE}},
{GST_VIDEO_FORMAT_BGRA, 4,
{GST_VIDEO_FORMAT_BGRA, 4, INTERLEAVE_PIXEL,
{COMPONENT_BLUE, COMPONENT_GREEN, COMPONENT_RED, COMPONENT_ALPHA}},
{GST_VIDEO_FORMAT_RGBA, 4,
{GST_VIDEO_FORMAT_RGBA, 4, INTERLEAVE_PIXEL,
{COMPONENT_RED, COMPONENT_GREEN, COMPONENT_BLUE, COMPONENT_ALPHA}},
{GST_VIDEO_FORMAT_RGBx, 4,
{GST_VIDEO_FORMAT_RGBx, 4, INTERLEAVE_PIXEL,
{COMPONENT_RED, COMPONENT_GREEN, COMPONENT_BLUE, COMPONENT_PADDING}},
};
@ -12245,13 +12262,13 @@ qtdemux_get_format_from_uncv (GstQTDemux * qtdemux,
switch (uncC->interleave_type) {
case 0: // Component Interleaving (Planar)
case 1: // Pixel Interleaved
case INTERLEAVE_COMPONENT: // Component Interleaving (Planar)
case INTERLEAVE_PIXEL: // Pixel Interleaved
break;
case 2: // Mixed Interleaved
case 3: // Row Interleaved
case 4: // Tile Interleaved
case 5: // Multi-Y Pixel Interleaved
case INTERLEAVE_MIXED: // Mixed Interleaved
case INTERLEAVE_ROW: // Row Interleaved
case INTERLEAVE_TILE: // Tile Interleaved
case INTERLEAVE_MULTI_Y: // Multi-Y Pixel Interleaved
default:
GST_WARNING_OBJECT (qtdemux,
"Unsupported interleave_type for uncompressed track: %u",
@ -12299,14 +12316,23 @@ qtdemux_get_format_from_uncv (GstQTDemux * qtdemux,
}
// Lookup Format
const ComponentFormatMapping *lut = component_lookup;
for (guint i = 0; i < G_N_ELEMENTS (component_lookup); i++) {
if (num_components != component_lookup[i].num_components) {
if (num_components != lut[i].num_components) {
continue;
} else if (!memcmp (component_types, component_lookup[i].component_types,
num_components * sizeof (guint16))) {
format = component_lookup[i].format;
break;
}
if (uncC->interleave_type != lut[i].interleave_type) {
continue;
}
if (memcmp (component_types, lut[i].component_types,
num_components * sizeof (guint16))) {
continue;
}
format = lut[i].format;
break;
}
// TODO: Handle various interleave types for multiple components