summaryrefslogtreecommitdiff
path: root/gst/h263parse/h263parse.c
diff options
context:
space:
mode:
Diffstat (limited to 'gst/h263parse/h263parse.c')
-rw-r--r--gst/h263parse/h263parse.c170
1 files changed, 5 insertions, 165 deletions
diff --git a/gst/h263parse/h263parse.c b/gst/h263parse/h263parse.c
index 0ed681ba9..ace1e18a2 100644
--- a/gst/h263parse/h263parse.c
+++ b/gst/h263parse/h263parse.c
@@ -30,99 +30,6 @@
GST_DEBUG_CATEGORY_EXTERN (h263_parse_debug);
#define GST_CAT_DEFAULT h263_parse_debug
-/* H263 Optional Features */
-typedef enum
-{
- /* Optional Unrestricted Motion Vector (UMV) mode (see Annex D) */
- H263_OPTION_UMV_MODE = 1 << 0,
- /* Optional Syntax-based Arithmetic Coding (SAC) mode (see Annex E) */
- H263_OPTION_SAC_MODE = 1 << 1,
- /* Optional Advanced Prediction mode (AP) (see Annex F) */
- H263_OPTION_AP_MODE = 1 << 2,
- /* Optional PB-frames mode (see Annex G) */
- H263_OPTION_PB_MODE = 1 << 3,
- /* Optional Advanced INTRA Coding (AIC) mode (see Annex I) */
- H263_OPTION_AIC_MODE = 1 << 4,
- /* Optional Deblocking Filter (DF) mode (see Annex J) */
- H263_OPTION_DF_MODE = 1 << 5,
- /* Optional Slice Structured (SS) mode (see Annex K) */
- H263_OPTION_SS_MODE = 1 << 6,
- /* Optional Reference Picture Selection (RPS) mode (see Annex N) */
- H263_OPTION_RPS_MODE = 1 << 7,
- /* Optional Independent Segment Decoding (ISD) mode (see Annex R) */
- H263_OPTION_ISD_MODE = 1 << 8,
- /* Optional Alternative INTER VLC (AIV) mode (see Annex S) */
- H263_OPTION_AIV_MODE = 1 << 9,
- /* Optional Modified Quantization (MQ) mode (see Annex T) */
- H263_OPTION_MQ_MODE = 1 << 10,
- /* Optional Reference Picture Resampling (RPR) mode (see Annex P) */
- H263_OPTION_RPR_MODE = 1 << 11,
- /* Optional Reduced-Resolution Update (RRU) mode (see Annex Q) */
- H263_OPTION_RRU_MODE = 1 << 12,
- /* Optional Enhanced Reference Picture Selection (ERPS) mode (see Annex U) */
- H263_OPTION_ERPS_MODE = 1 << 13,
- /* Optional Data Partitioned Slices (DPS) mode (see Annex V) */
- H263_OPTION_DPS_MODE = 1 << 14
-} H263OptionalFeatures;
-
-/* H263 Picture Types */
-typedef enum
-{
- PICTURE_I = 0, /* I-picture (INTRA) Baseline */
- PICTURE_P, /* P-picture (INTER) Baseline */
- PICTURE_IMPROVED_PB, /* Improved PB-frame (Annex M) */
- PICTURE_B, /* B-picture (Annex O) */
- PICTURE_EI, /* EI-picture (Annex O) */
- PICTURE_EP, /* EP-picture (Annex O) */
- PICTURE_RESERVED1,
- PICTURE_RESERVED2,
- PICTURE_PB /* PB-frame (See Annex G) */
-} H263PictureType;
-
-/* H263 Picture Format */
-typedef enum
-{
- PICTURE_FMT_FORBIDDEN_0 = 0,
- PICTURE_FMT_SUB_QCIF,
- PICTURE_FMT_QCIF,
- PICTURE_FMT_CIF,
- PICTURE_FMT_4CIF,
- PICTURE_FMT_16CIF,
- PICTURE_FMT_RESERVED1,
- PICTURE_FMT_EXTENDEDPTYPE
-} H263PictureFormat;
-
-typedef enum
-{
- UUI_ABSENT = 0,
- UUI_IS_1,
- UUI_IS_01,
-} H263UUI;
-
-struct _H263Params
-{
- guint32 temporal_ref;
-
- H263OptionalFeatures features;
-
- gboolean splitscreen;
- gboolean documentcamera;
- gboolean fullpicturefreezerelease;
- gboolean custompcfpresent;
- H263UUI uui;
- guint8 sss;
-
- H263PictureFormat format;
-
- H263PictureType type;
-
- guint32 width;
- guint32 height;
- guint8 parnum, pardenom;
- gint32 pcfnum, pcfdenom;
-};
-
-
gboolean
gst_h263_parse_is_delta_unit (H263Params * params)
{
@@ -133,8 +40,8 @@ gst_h263_parse_is_delta_unit (H263Params * params)
* extract a subset of the data (for now, it quits once we have the picture
* type. */
GstFlowReturn
-gst_h263_parse_get_params (GstH263Parse * h263parse, GstBuffer * buffer,
- H263Params ** params_p, gboolean fast)
+gst_h263_parse_get_params (H263Params ** params_p, GstBuffer * buffer,
+ gboolean fast, H263ParseState * state)
{
static const guint8 partable[6][2] = {
{1, 0},
@@ -538,12 +445,12 @@ gst_h263_parse_get_params (GstH263Parse * h263parse, GstBuffer * buffer,
* have no means of specifying what sub-modes, if any, are used. */
done:
- h263parse->state = GOT_HEADER;
+ *state = GOT_HEADER;
more:
return GST_FLOW_OK;
beach:
- h263parse->state = PASSTHROUGH;
+ *state = PASSTHROUGH;
return GST_FLOW_OK;
}
@@ -752,75 +659,8 @@ gst_h263_parse_get_level (H263Params * params, gint profile,
}
void
-gst_h263_parse_get_framerate (GstCaps * sink_caps, H263Params * params,
- gint * num, gint * denom)
+gst_h263_parse_get_framerate (H263Params * params, gint * num, gint * denom)
{
- GstStructure *st;
-
- st = gst_caps_get_structure (sink_caps, 0);
-
- if (gst_structure_get_fraction (st, "framerate", num, denom)) {
- /* Got it in caps - nothing more to do */
- GST_DEBUG ("Sink caps override framerate from headers");
- return;
- }
-
- /* Caps didn't have the framerate - get it from params */
*num = params->pcfnum;
*denom = params->pcfdenom;
}
-
-void
-gst_h263_parse_set_src_caps (GstH263Parse * h263parse, H263Params * params)
-{
- GstCaps *caps;
- gint fr_num, fr_denom;
-
- g_assert (h263parse->state == PASSTHROUGH || h263parse->state == GOT_HEADER);
-
- caps = GST_PAD_CAPS (GST_BASE_PARSE_SINK_PAD (GST_BASE_PARSE (h263parse)));
- if (caps) {
- caps = gst_caps_copy (caps);
- } else {
- caps = gst_caps_new_simple ("video/x-h263",
- "variant", G_TYPE_STRING, "itu", NULL);
- }
- gst_caps_set_simple (caps, "parsed", G_TYPE_BOOLEAN, TRUE, NULL);
-
- gst_h263_parse_get_framerate (caps, params, &fr_num, &fr_denom);
- gst_caps_set_simple (caps, "framerate", GST_TYPE_FRACTION, fr_num, fr_denom,
- NULL);
-
- if (h263parse->state == GOT_HEADER) {
- gst_caps_set_simple (caps,
- "annex-d", G_TYPE_BOOLEAN, (params->features & H263_OPTION_UMV_MODE),
- "annex-e", G_TYPE_BOOLEAN, (params->features & H263_OPTION_SAC_MODE),
- "annex-f", G_TYPE_BOOLEAN, (params->features & H263_OPTION_AP_MODE),
- "annex-g", G_TYPE_BOOLEAN, (params->features & H263_OPTION_PB_MODE),
- "annex-i", G_TYPE_BOOLEAN, (params->features & H263_OPTION_AIC_MODE),
- "annex-j", G_TYPE_BOOLEAN, (params->features & H263_OPTION_DF_MODE),
- "annex-k", G_TYPE_BOOLEAN, (params->features & H263_OPTION_SS_MODE),
- "annex-m", G_TYPE_BOOLEAN, (params->type == PICTURE_IMPROVED_PB),
- "annex-n", G_TYPE_BOOLEAN, (params->features & H263_OPTION_RPS_MODE),
- "annex-q", G_TYPE_BOOLEAN, (params->features & H263_OPTION_RRU_MODE),
- "annex-r", G_TYPE_BOOLEAN, (params->features & H263_OPTION_ISD_MODE),
- "annex-s", G_TYPE_BOOLEAN, (params->features & H263_OPTION_AIV_MODE),
- "annex-t", G_TYPE_BOOLEAN, (params->features & H263_OPTION_MQ_MODE),
- "annex-u", G_TYPE_BOOLEAN, (params->features & H263_OPTION_ERPS_MODE),
- "annex-v", G_TYPE_BOOLEAN, (params->features & H263_OPTION_DPS_MODE),
- NULL);
-
- h263parse->profile = gst_h263_parse_get_profile (params);
- if (h263parse->profile != -1)
- gst_caps_set_simple (caps, "profile", G_TYPE_UINT, h263parse->profile,
- NULL);
-
- h263parse->level = gst_h263_parse_get_level (params, h263parse->profile,
- h263parse->bitrate, fr_num, fr_denom);
- if (h263parse->level != -1)
- gst_caps_set_simple (caps, "level", G_TYPE_UINT, h263parse->level, NULL);
- }
-
- gst_pad_set_caps (GST_BASE_PARSE_SRC_PAD (GST_BASE_PARSE (h263parse)), caps);
- gst_caps_unref (caps);
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-25 23:50:06 +0000