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Improve heuristics to find the best profile. Use the highest one if no

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explicit match on "profile" field.
This commit is contained in:
gb 2010-04-29 09:34:54 +00:00 committed by Gwenole Beauchesne
parent 1c48fa3a23
commit 1f4e67503c
1 changed files with 26 additions and 18 deletions
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44
gst-libs/gst/vaapi/gstvaapiprofile.c
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@ -39,6 +39,7 @@ struct _GstVaapiProfileMap {
GstVaapiProfile profile;
VAProfile va_profile;
const char *caps_str;
const gchar *profile_str;
};
struct _GstVaapiEntrypointMap {
@ -49,42 +50,42 @@ struct _GstVaapiEntrypointMap {
/* Profiles */
static const GstVaapiProfileMap gst_vaapi_profiles[] = {
{ GST_VAAPI_PROFILE_MPEG2_SIMPLE, VAProfileMPEG2Simple,
"video/mpeg, mpegversion=2, profile=simple"
"video/mpeg, mpegversion=2", "simple"
},
{ GST_VAAPI_PROFILE_MPEG2_MAIN, VAProfileMPEG2Main,
"video/mpeg, mpegversion=2, profile=main"
"video/mpeg, mpegversion=2", "main"
},
{ GST_VAAPI_PROFILE_MPEG4_SIMPLE, VAProfileMPEG4Simple,
"video/mpeg, mpegversion=4, profile=simple"
"video/mpeg, mpegversion=4", "simple"
},
{ GST_VAAPI_PROFILE_MPEG4_ADVANCED_SIMPLE, VAProfileMPEG4AdvancedSimple,
"video/mpeg, mpegversion=4, profile=advanced-simple"
"video/mpeg, mpegversion=4", "advanced-simple",
},
{ GST_VAAPI_PROFILE_MPEG4_MAIN, VAProfileMPEG4Main,
"video/mpeg, mpegversion=4, profile=main"
"video/mpeg, mpegversion=4", "main"
},
#if VA_CHECK_VERSION(0,30,0)
{ GST_VAAPI_PROFILE_H263_BASELINE, VAProfileH263Baseline,
"video/x-h263, variant=itu, h263version=h263, profile=baseline"
"video/x-h263, variant=itu, h263version=h263", "baseline"
},
#endif
{ GST_VAAPI_PROFILE_H264_BASELINE, VAProfileH264Baseline,
"video/x-h264, variant=itu, profile=baseline"
"video/x-h264, variant=itu", "baseline"
},
{ GST_VAAPI_PROFILE_H264_MAIN, VAProfileH264Main,
"video/x-h264, variant=itu, profile=main"
"video/x-h264, variant=itu", "main"
},
{ GST_VAAPI_PROFILE_H264_HIGH, VAProfileH264High,
"video/x-h264, variant=itu, profile=high"
"video/x-h264, variant=itu", "high"
},
{ GST_VAAPI_PROFILE_VC1_SIMPLE, VAProfileVC1Simple,
"video/x-vc1, profile=simple"
"video/x-vc1", "simple"
},
{ GST_VAAPI_PROFILE_VC1_MAIN, VAProfileVC1Main,
"video/x-vc1, profile=main"
"video/x-vc1", "main"
},
{ GST_VAAPI_PROFILE_VC1_ADVANCED, VAProfileVC1Advanced,
"video/x-vc1, profile=advanced"
"video/x-vc1", "advanced"
},
{ 0, }
};
@ -201,7 +202,8 @@ gst_vaapi_profile_from_caps(GstCaps *caps)
const GstVaapiProfileMap *m;
GstCaps *caps_test;
GstStructure *structure;
GstVaapiProfile profile;
const gchar *profile_str;
GstVaapiProfile profile, best_profile;
GstBuffer *codec_data = NULL;
const gchar *name;
gsize namelen;
@ -216,7 +218,8 @@ gst_vaapi_profile_from_caps(GstCaps *caps)
name = gst_structure_get_name(structure);
namelen = strlen(name);
if (!gst_structure_has_field(structure, "profile")) {
profile_str = gst_structure_get_string(structure, "profile");
if (!profile_str) {
const GValue *v_codec_data;
v_codec_data = gst_structure_get_value(structure, "codec_data");
if (v_codec_data)
@ -224,12 +227,17 @@ gst_vaapi_profile_from_caps(GstCaps *caps)
}
profile = 0;
best_profile = 0;
for (m = gst_vaapi_profiles; !profile && m->profile; m++) {
if (strncmp(name, m->caps_str, namelen) != 0)
continue;
caps_test = gst_caps_from_string(m->caps_str);
if (gst_caps_is_always_compatible(caps, caps_test))
profile = m->profile;
caps_test = gst_caps_from_string(m->caps_str);;
if (gst_caps_is_always_compatible(caps, caps_test)) {
best_profile = m->profile;
if (profile_str && m->profile_str &&
strcmp(profile_str, m->profile_str) == 0)
profile = best_profile;
}
else if (codec_data)
profile = gst_vaapi_profile_from_codec_data(
GST_VAAPI_PROFILE_CODEC(m->profile),
@ -237,7 +245,7 @@ gst_vaapi_profile_from_caps(GstCaps *caps)
);
gst_caps_unref(caps_test);
}
return profile;
return profile ? profile : best_profile;
}
/**