* If #GstX264Enc:dct8x8 is enabled, then High profile is used.
* Otherwise, if #GstX264Enc:cabac entropy coding is enabled or #GstX264Enc:bframes
* are allowed, then Main Profile is in effect, and otherwise Baseline profile
- * applies. No profile is imposed by default, which is fine for most software
- * players and settings, but in some cases (e.g. hardware platforms) a more
- * restricted profile/level may be necessary.
+ * applies. The main profile is imposed by default,
+ * which is fine for most software players and settings,
+ * but in some cases (e.g. hardware platforms) a more restricted profile/level
+ * may be necessary. The recommended way to set a profile is to set it in the
+ * downstream caps.
*
* If a preset/tuning are specified then these will define the default values and
* the property defaults will be ignored. After this the option-string property is
* ]| This example pipeline will encode a test video source to H264 using fixed
* quantization, and muxes it in a Matroska container.
* |[
- * gst-launch -v videotestsrc num-buffers=1000 ! x264enc pass=5 quantizer=25 speed-preset=6 profile=1 ! \
+ * gst-launch -v videotestsrc num-buffers=1000 ! x264enc pass=5 quantizer=25 speed-preset=6 ! video/x-h264, profile=baseline ! \
* qtmux ! filesink location=videotestsrc.mov
* ]| This example pipeline will encode a test video source to H264 using
* constant quality at around Q25 using the 'medium' speed/quality preset and
#include "gstx264enc.h"
+#include <gst/pbutils/pbutils.h>
+
#if X264_BUILD >= 71
#define X264_DELAYED_FRAMES_API
#endif
"framerate = (fraction) [0/1, MAX], "
"width = (int) [ 1, MAX ], " "height = (int) [ 1, MAX ], "
"stream-format = (string) { byte-stream, avc }, "
- "alignment = (string) { au }")
+ "alignment = (string) { au }, "
+ "profile = (string) { high-10, high, main, constrained-baseline, "
+ "high-10-intra }")
);
static void gst_x264_enc_finalize (GObject * object);
g_object_class_install_property (gobject_class, ARG_PROFILE,
g_param_spec_enum ("profile", "H.264 profile",
"Apply restrictions to meet H.264 Profile constraints. This will "
- "override other properties if necessary.",
+ "override other properties if necessary. This will only be used "
+ "if downstream elements do not specify a profile in their caps (DEPRECATED)",
GST_X264_ENC_PROFILE_TYPE, ARG_PROFILE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
#endif /* X264_PRESETS */
encoder->x264param.rc.i_rc_method = X264_RC_ABR;
encoder->x264param.rc.i_bitrate = encoder->bitrate;
encoder->x264param.rc.i_vbv_max_bitrate = encoder->bitrate;
- encoder->x264param.rc.i_vbv_buffer_size
- = encoder->x264param.rc.i_vbv_max_bitrate
+ encoder->x264param.rc.i_vbv_buffer_size =
+ encoder->x264param.rc.i_vbv_max_bitrate
* encoder->vbv_buf_capacity / 1000;
pass = encoder->pass & 0xF;
break;
#endif
#ifdef X264_PRESETS
- if (encoder->profile
- && x264_param_apply_profile (&encoder->x264param,
- x264_profile_names[encoder->profile - 1])) {
- GST_WARNING_OBJECT (encoder, "Bad profile name: %s",
- x264_profile_names[encoder->profile - 1]);
+ if (encoder->peer_profile) {
+ if (x264_param_apply_profile (&encoder->x264param, encoder->peer_profile))
+ GST_WARNING_OBJECT (encoder, "Bad downstream profile name: %s",
+ encoder->peer_profile);
+ } else if (encoder->profile) {
+ if (x264_param_apply_profile (&encoder->x264param,
+ x264_profile_names[encoder->profile - 1]))
+ GST_WARNING_OBJECT (encoder, "Bad profile name: %s",
+ x264_profile_names[encoder->profile - 1]);
}
#endif /* X264_PRESETS */
+ /* If using an intra profile, all frames are intra frames */
+ if (encoder->peer_intra_profile)
+ encoder->x264param.i_keyint_max = encoder->x264param.i_keyint_min = 1;
+
+ /* Enforce level limits if they were in the caps */
+ if (encoder->peer_level) {
+ encoder->x264param.i_level_idc = encoder->peer_level->level_idc;
+
+ encoder->x264param.rc.i_bitrate = MIN (encoder->x264param.rc.i_bitrate,
+ encoder->peer_level->bitrate);
+ encoder->x264param.rc.i_vbv_max_bitrate =
+ MIN (encoder->x264param.rc.i_vbv_max_bitrate,
+ encoder->peer_level->bitrate);
+ encoder->x264param.rc.i_vbv_buffer_size =
+ MIN (encoder->x264param.rc.i_vbv_buffer_size, encoder->peer_level->cpb);
+ encoder->x264param.analyse.i_mv_range =
+ MIN (encoder->x264param.analyse.i_mv_range,
+ encoder->peer_level->mv_range);
+
+ if (encoder->peer_level->frame_only) {
+ encoder->x264param.b_interlaced = FALSE;
+ encoder->x264param.b_fake_interlaced = FALSE;
+ }
+ }
+
encoder->reconfig = FALSE;
GST_OBJECT_UNLOCK (encoder);
}
}
+static gboolean
+gst_x264_enc_set_profile_and_level (GstX264Enc * encoder, GstCaps * caps)
+{
+ x264_nal_t *nal;
+ int i_nal;
+ int header_return;
+ gint sps_ni = 0;
+ guint8 *sps;
+
+
+ header_return = x264_encoder_headers (encoder->x264enc, &nal, &i_nal);
+ if (header_return < 0) {
+ GST_ELEMENT_ERROR (encoder, STREAM, ENCODE, ("Encode x264 header failed."),
+ ("x264_encoder_headers return code=%d", header_return));
+ return FALSE;
+ }
+
+ /* old x264 returns SEI, SPS and PPS, newer one has SEI last */
+ if (i_nal == 3 && nal[sps_ni].i_type != 7)
+ sps_ni = 1;
+
+ /* old style API: nal's are not encapsulated, and have no sync/size prefix,
+ * new style API: nal's are encapsulated, and have 4-byte size prefix */
+#ifndef X264_ENC_NALS
+ sps = nal[sps_ni].p_payload;
+#else
+ sps = nal[sps_ni].p_payload + 4;
+ /* skip NAL unit type */
+ sps++;
+#endif
+
+ gst_codec_utils_h264_caps_set_level_and_profile (caps, sps, 3);
+
+ return TRUE;
+}
+
/*
* Returns: Buffer with the stream headers.
*/
}
gst_structure_set (structure, "alignment", G_TYPE_STRING, "au", NULL);
+ if (!gst_x264_enc_set_profile_and_level (encoder, outcaps)) {
+ gst_caps_unref (outcaps);
+ return FALSE;
+ }
+
res = gst_pad_set_caps (pad, outcaps);
gst_caps_unref (outcaps);
gint fps_num, fps_den;
gint par_num, par_den;
gint i;
+ GstCaps *peer_caps;
+ const GstCaps *template_caps;
+ GstCaps *allowed_caps = NULL;
+ gboolean level_ok = TRUE;
/* get info from caps */
if (!gst_video_format_parse_caps (caps, &format, &width, &height))
i, width);
}
+ encoder->peer_profile = NULL;
+ encoder->peer_intra_profile = FALSE;
+ encoder->peer_level = NULL;
+
+ /* FIXME: Remove THIS bit in 0.11 when the profile property is removed */
+ peer_caps = gst_pad_peer_get_caps_reffed (encoder->srcpad);
+ if (peer_caps) {
+ gint i;
+ gboolean has_profile_or_level = FALSE;
+
+ for (i = 0; i < gst_caps_get_size (peer_caps); i++) {
+ GstStructure *s = gst_caps_get_structure (peer_caps, i);
+
+ if (gst_structure_has_name (s, "video/x-h264") &&
+ (gst_structure_has_field (s, "profile") ||
+ gst_structure_has_field (s, "level"))) {
+ has_profile_or_level = TRUE;
+ break;
+ }
+ }
+
+ if (has_profile_or_level) {
+ template_caps = gst_pad_get_pad_template_caps (encoder->srcpad);
+
+ allowed_caps = gst_caps_intersect (peer_caps, template_caps);
+ }
+
+ gst_caps_unref (peer_caps);
+ }
+
+ /* Replace the bit since FIXME with this
+ * allowed_caps = gst_pad_get_allowed_caps (encoder->srcpad);
+ */
+
+ if (allowed_caps) {
+ GstStructure *s;
+ const gchar *profile;
+ const gchar *level;
+
+ if (gst_caps_is_empty (allowed_caps)) {
+ gst_caps_unref (allowed_caps);
+ return FALSE;
+ }
+
+ allowed_caps = gst_caps_make_writable (allowed_caps);
+ gst_pad_fixate_caps (encoder->srcpad, allowed_caps);
+ s = gst_caps_get_structure (allowed_caps, 0);
+
+ profile = gst_structure_get_string (s, "profile");
+ if (profile) {
+ if (!strcmp (profile, "constrained-baseline")) {
+ encoder->peer_profile = "baseline";
+ } else if (!strcmp (profile, "high-10-intra")) {
+ encoder->peer_intra_profile = TRUE;
+ encoder->peer_profile = "high10";
+ } else if (!strcmp (profile, "high-10")) {
+ encoder->peer_profile = "high10";
+ } else if (!strcmp (profile, "high")) {
+ encoder->peer_profile = "high";
+ } else if (!strcmp (profile, "main")) {
+ encoder->peer_profile = "main";
+ } else {
+ g_assert_not_reached ();
+ }
+ }
+
+ level = gst_structure_get_string (s, "level");
+ if (level) {
+ int level_idc = gst_codec_utils_h264_get_level_idc (level);
+
+ if (level_idc) {
+ gint i;
+
+ for (i = 0; x264_levels[i].level_idc; i++) {
+ if (level_idc == x264_levels[i].level_idc) {
+ int mb_width = (width + 15) / 16;
+ int mb_height = (height + 15) / 16;
+ int mbs = mb_width * mb_height;
+
+ if (x264_levels[i].frame_size < mbs ||
+ x264_levels[i].frame_size * 8 < mb_width * mb_width ||
+ x264_levels[i].frame_size * 8 < mb_height * mb_height) {
+ GST_WARNING_OBJECT (encoder,
+ "Frame size larger than level %s allows", level);
+ level_ok = FALSE;
+ break;
+ }
+
+ if (fps_den &&
+ x264_levels[i].mbps < (gint64) mbs * fps_num / fps_den) {
+ GST_WARNING_OBJECT (encoder,
+ "Macroblock rate higher than level %s allows", level);
+ level_ok = FALSE;
+ break;
+ }
+
+ encoder->peer_level = &x264_levels[i];
+ break;
+ }
+ }
+ }
+ }
+
+ gst_caps_unref (allowed_caps);
+ }
+
+ if (!level_ok)
+ return FALSE;
+
if (!gst_x264_enc_init_encoder (encoder))
return FALSE;
projects / platform / upstream / gst-plugins-ugly.git / commitdiff