diff options
Diffstat (limited to 'ext/schroedinger/gstschroenc.c')
-rw-r--r-- | ext/schroedinger/gstschroenc.c | 736 |
1 files changed, 736 insertions, 0 deletions
diff --git a/ext/schroedinger/gstschroenc.c b/ext/schroedinger/gstschroenc.c new file mode 100644 index 00000000..2d0fb39b --- /dev/null +++ b/ext/schroedinger/gstschroenc.c @@ -0,0 +1,736 @@ +/* Schrodinger + * Copyright (C) 2006 David Schleef <ds@schleef.org> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <gst/gst.h> +#include <gst/video/video.h> +#include <gst/video/gstbasevideoencoder.h> +#include <string.h> + +#include <schroedinger/schro.h> +#include <schroedinger/schrobitstream.h> +#include <schroedinger/schrovirtframe.h> +#include <math.h> +#include "gstschroutils.h" + +GST_DEBUG_CATEGORY_EXTERN (schro_debug); +#define GST_CAT_DEFAULT schro_debug + +#define GST_TYPE_SCHRO_ENC \ + (gst_schro_enc_get_type()) +#define GST_SCHRO_ENC(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SCHRO_ENC,GstSchroEnc)) +#define GST_SCHRO_ENC_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SCHRO_ENC,GstSchroEncClass)) +#define GST_IS_SCHRO_ENC(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SCHRO_ENC)) +#define GST_IS_SCHRO_ENC_CLASS(obj) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SCHRO_ENC)) + +typedef struct _GstSchroEnc GstSchroEnc; +typedef struct _GstSchroEncClass GstSchroEncClass; + +typedef enum +{ + GST_SCHRO_ENC_OUTPUT_OGG, + GST_SCHRO_ENC_OUTPUT_QUICKTIME, + GST_SCHRO_ENC_OUTPUT_AVI, + GST_SCHRO_ENC_OUTPUT_MPEG_TS, + GST_SCHRO_ENC_OUTPUT_MP4 +} GstSchroEncOutputType; + +struct _GstSchroEnc +{ + GstBaseVideoEncoder base_encoder; + + GstPad *sinkpad; + GstPad *srcpad; + + /* video properties */ + GstSchroEncOutputType output_format; + + /* state */ + SchroEncoder *encoder; + SchroVideoFormat *video_format; + GstVideoFrame *eos_frame; + GstBuffer *seq_header_buffer; + + guint64 last_granulepos; +}; + +struct _GstSchroEncClass +{ + GstBaseVideoEncoderClass parent_class; +}; + + + +enum +{ + LAST_SIGNAL +}; + +enum +{ + ARG_0 +}; + +static void gst_schro_enc_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec); +static void gst_schro_enc_get_property (GObject * object, guint prop_id, + GValue * value, GParamSpec * pspec); + +static GstFlowReturn gst_schro_enc_process (GstSchroEnc * schro_enc); + +static gboolean gst_schro_enc_set_format (GstBaseVideoEncoder * + base_video_encoder, GstVideoState * state); +static gboolean gst_schro_enc_start (GstBaseVideoEncoder * base_video_encoder); +static gboolean gst_schro_enc_stop (GstBaseVideoEncoder * base_video_encoder); +static gboolean gst_schro_enc_finish (GstBaseVideoEncoder * base_video_encoder, + GstVideoFrame * frame); +static gboolean gst_schro_enc_handle_frame (GstBaseVideoEncoder * + base_video_encoder, GstVideoFrame * frame); +static GstFlowReturn gst_schro_enc_shape_output (GstBaseVideoEncoder * + base_video_encoder, GstVideoFrame * frame); +static GstCaps *gst_schro_enc_get_caps (GstBaseVideoEncoder * + base_video_encoder); + +static GstStaticPadTemplate gst_schro_enc_sink_template = +GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("{ I420, YV12, YUY2, UYVY, AYUV }")) + ); + +static GstStaticPadTemplate gst_schro_enc_src_template = + GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("video/x-dirac;video/x-qt-part;video/x-mp4-part") + ); + +GST_BOILERPLATE (GstSchroEnc, gst_schro_enc, GstBaseVideoEncoder, + GST_TYPE_BASE_VIDEO_ENCODER); + +static void +gst_schro_enc_base_init (gpointer g_class) +{ + static GstElementDetails schro_enc_details = + GST_ELEMENT_DETAILS ("Dirac Encoder", + "Codec/Encoder/Video", + "Encode raw video into Dirac stream", + "David Schleef <ds@schleef.org>"); + GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); + + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&gst_schro_enc_src_template)); + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&gst_schro_enc_sink_template)); + + gst_element_class_set_details (element_class, &schro_enc_details); +} + +static void +gst_schro_enc_class_init (GstSchroEncClass * klass) +{ + GObjectClass *gobject_class; + GstElementClass *gstelement_class; + GstBaseVideoEncoderClass *basevideocoder_class; + int i; + + gobject_class = G_OBJECT_CLASS (klass); + gstelement_class = GST_ELEMENT_CLASS (klass); + basevideocoder_class = GST_BASE_VIDEO_ENCODER_CLASS (klass); + + gobject_class->set_property = gst_schro_enc_set_property; + gobject_class->get_property = gst_schro_enc_get_property; + + for (i = 0; i < schro_encoder_get_n_settings (); i++) { + const SchroEncoderSetting *setting; + + setting = schro_encoder_get_setting_info (i); + + switch (setting->type) { + case SCHRO_ENCODER_SETTING_TYPE_BOOLEAN: + g_object_class_install_property (gobject_class, i + 1, + g_param_spec_boolean (setting->name, setting->name, setting->name, + setting->default_value, G_PARAM_READWRITE)); + break; + case SCHRO_ENCODER_SETTING_TYPE_INT: + g_object_class_install_property (gobject_class, i + 1, + g_param_spec_int (setting->name, setting->name, setting->name, + setting->min, setting->max, setting->default_value, + G_PARAM_READWRITE)); + break; + case SCHRO_ENCODER_SETTING_TYPE_ENUM: + g_object_class_install_property (gobject_class, i + 1, + g_param_spec_int (setting->name, setting->name, setting->name, + setting->min, setting->max, setting->default_value, + G_PARAM_READWRITE)); + break; + case SCHRO_ENCODER_SETTING_TYPE_DOUBLE: + g_object_class_install_property (gobject_class, i + 1, + g_param_spec_double (setting->name, setting->name, setting->name, + setting->min, setting->max, setting->default_value, + G_PARAM_READWRITE)); + break; + default: + break; + } + } + + basevideocoder_class->set_format = + GST_DEBUG_FUNCPTR (gst_schro_enc_set_format); + basevideocoder_class->start = GST_DEBUG_FUNCPTR (gst_schro_enc_start); + basevideocoder_class->stop = GST_DEBUG_FUNCPTR (gst_schro_enc_stop); + basevideocoder_class->finish = GST_DEBUG_FUNCPTR (gst_schro_enc_finish); + basevideocoder_class->handle_frame = + GST_DEBUG_FUNCPTR (gst_schro_enc_handle_frame); + basevideocoder_class->shape_output = + GST_DEBUG_FUNCPTR (gst_schro_enc_shape_output); + basevideocoder_class->get_caps = GST_DEBUG_FUNCPTR (gst_schro_enc_get_caps); +} + +static void +gst_schro_enc_init (GstSchroEnc * schro_enc, GstSchroEncClass * klass) +{ + GST_DEBUG ("gst_schro_enc_init"); + + /* Normally, we'd create the encoder in ->start(), but we use the + * encoder to store object properties. So it needs to be created + * here. */ + schro_enc->encoder = schro_encoder_new (); + schro_encoder_set_packet_assembly (schro_enc->encoder, TRUE); + schro_enc->video_format = schro_encoder_get_video_format (schro_enc->encoder); +} + + + +static gboolean +gst_schro_enc_set_format (GstBaseVideoEncoder * base_video_encoder, + GstVideoState * state) +{ + GstSchroEnc *schro_enc = GST_SCHRO_ENC (base_video_encoder); + + schro_video_format_set_std_video_format (schro_enc->video_format, + SCHRO_VIDEO_FORMAT_CUSTOM); + + switch (state->format) { + case GST_VIDEO_FORMAT_I420: + case GST_VIDEO_FORMAT_YV12: + schro_enc->video_format->chroma_format = SCHRO_CHROMA_420; + break; + case GST_VIDEO_FORMAT_YUY2: + case GST_VIDEO_FORMAT_UYVY: + schro_enc->video_format->chroma_format = SCHRO_CHROMA_422; + break; + case GST_VIDEO_FORMAT_AYUV: + schro_enc->video_format->chroma_format = SCHRO_CHROMA_444; + break; + case GST_VIDEO_FORMAT_ARGB: + schro_enc->video_format->chroma_format = SCHRO_CHROMA_420; + break; + default: + g_assert_not_reached (); + } + + schro_enc->video_format->frame_rate_numerator = state->fps_n; + schro_enc->video_format->frame_rate_denominator = state->fps_d; + + schro_enc->video_format->width = state->width; + schro_enc->video_format->height = state->height; + schro_enc->video_format->clean_width = state->clean_width; + schro_enc->video_format->clean_height = state->clean_height; + schro_enc->video_format->left_offset = state->clean_offset_left; + schro_enc->video_format->top_offset = state->clean_offset_top; + + schro_enc->video_format->aspect_ratio_numerator = state->par_n; + schro_enc->video_format->aspect_ratio_denominator = state->par_d; + + schro_video_format_set_std_signal_range (schro_enc->video_format, + SCHRO_SIGNAL_RANGE_8BIT_VIDEO); + schro_video_format_set_std_colour_spec (schro_enc->video_format, + SCHRO_COLOUR_SPEC_HDTV); + + schro_encoder_set_video_format (schro_enc->encoder, schro_enc->video_format); + schro_encoder_start (schro_enc->encoder); + + schro_enc->seq_header_buffer = + gst_schro_wrap_schro_buffer (schro_encoder_encode_sequence_header + (schro_enc->encoder)); + + return TRUE; +} + +static void +gst_schro_enc_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec) +{ + GstSchroEnc *src; + + g_return_if_fail (GST_IS_SCHRO_ENC (object)); + src = GST_SCHRO_ENC (object); + + GST_DEBUG ("gst_schro_enc_set_property"); + + if (prop_id >= 1) { + const SchroEncoderSetting *setting; + setting = schro_encoder_get_setting_info (prop_id - 1); + switch (G_VALUE_TYPE (value)) { + case G_TYPE_DOUBLE: + schro_encoder_setting_set_double (src->encoder, setting->name, + g_value_get_double (value)); + break; + case G_TYPE_INT: + schro_encoder_setting_set_double (src->encoder, setting->name, + g_value_get_int (value)); + break; + case G_TYPE_BOOLEAN: + schro_encoder_setting_set_double (src->encoder, setting->name, + g_value_get_boolean (value)); + break; + } + } +} + +static void +gst_schro_enc_get_property (GObject * object, guint prop_id, GValue * value, + GParamSpec * pspec) +{ + GstSchroEnc *src; + + g_return_if_fail (GST_IS_SCHRO_ENC (object)); + src = GST_SCHRO_ENC (object); + + if (prop_id >= 1) { + const SchroEncoderSetting *setting; + setting = schro_encoder_get_setting_info (prop_id - 1); + switch (G_VALUE_TYPE (value)) { + case G_TYPE_DOUBLE: + g_value_set_double (value, + schro_encoder_setting_get_double (src->encoder, setting->name)); + break; + case G_TYPE_INT: + g_value_set_int (value, + schro_encoder_setting_get_double (src->encoder, setting->name)); + break; + case G_TYPE_BOOLEAN: + g_value_set_boolean (value, + schro_encoder_setting_get_double (src->encoder, setting->name)); + break; + } + } +} + +/* + * start is called once the input format is known. This function + * must decide on an output format and negotiate it. + */ +static gboolean +gst_schro_enc_start (GstBaseVideoEncoder * base_video_encoder) +{ + GstSchroEnc *schro_enc = GST_SCHRO_ENC (base_video_encoder); + GstCaps *caps; + GstStructure *structure; + + GST_DEBUG ("set_output_caps"); + caps = + gst_pad_get_allowed_caps (GST_BASE_VIDEO_CODEC_SRC_PAD + (base_video_encoder)); + + if (gst_caps_is_empty (caps)) { + gst_caps_unref (caps); + return FALSE; + } + + structure = gst_caps_get_structure (caps, 0); + + if (gst_structure_has_name (structure, "video/x-dirac")) { + schro_enc->output_format = GST_SCHRO_ENC_OUTPUT_OGG; + } else if (gst_structure_has_name (structure, "video/x-qt-part")) { + schro_enc->output_format = GST_SCHRO_ENC_OUTPUT_QUICKTIME; + } else if (gst_structure_has_name (structure, "video/x-avi-part")) { + schro_enc->output_format = GST_SCHRO_ENC_OUTPUT_AVI; + } else if (gst_structure_has_name (structure, "video/x-mp4-part")) { + schro_enc->output_format = GST_SCHRO_ENC_OUTPUT_MP4; + } else { + return FALSE; + } + + gst_base_video_encoder_set_latency_fields (base_video_encoder, + 2 * (int) schro_encoder_setting_get_double (schro_enc->encoder, + "queue_depth")); + + gst_caps_unref (caps); + return TRUE; +} + +static gboolean +gst_schro_enc_stop (GstBaseVideoEncoder * base_video_encoder) +{ + GstSchroEnc *schro_enc = GST_SCHRO_ENC (base_video_encoder); + + if (schro_enc->encoder) { + schro_encoder_free (schro_enc->encoder); + schro_enc->encoder = NULL; + } + + return TRUE; +} + +static gboolean +gst_schro_enc_finish (GstBaseVideoEncoder * base_video_encoder, + GstVideoFrame * frame) +{ + GstSchroEnc *schro_enc = GST_SCHRO_ENC (base_video_encoder); + + GST_DEBUG ("finish"); + + schro_enc->eos_frame = frame; + + schro_encoder_end_of_stream (schro_enc->encoder); + gst_schro_enc_process (schro_enc); + + return TRUE; +} + +static gboolean +gst_schro_enc_handle_frame (GstBaseVideoEncoder * base_video_encoder, + GstVideoFrame * frame) +{ + GstSchroEnc *schro_enc = GST_SCHRO_ENC (base_video_encoder); + SchroFrame *schro_frame; + GstFlowReturn ret; + const GstVideoState *state; + + state = gst_base_video_encoder_get_state (base_video_encoder); + + schro_frame = gst_schro_buffer_wrap (frame->sink_buffer, + state->format, state->width, state->height); + + GST_DEBUG ("pushing frame %p", frame); + schro_encoder_push_frame_full (schro_enc->encoder, schro_frame, frame); + + ret = gst_schro_enc_process (schro_enc); + + return ret; +} + +#if 0 +static void +gst_caps_add_streamheader (GstCaps * caps, GList * list) +{ + GValue array = { 0 }; + GValue value = { 0 }; + GstBuffer *buf; + GList *g; + + g_value_init (&array, GST_TYPE_ARRAY); + + for (g = g_list_first (list); g; g = g_list_next (list)) { + g_value_init (&value, GST_TYPE_BUFFER); + buf = gst_buffer_copy (GST_BUFFER (g->data)); + gst_value_set_buffer (&value, buf); + gst_buffer_unref (buf); + gst_value_array_append_value (&array, &value); + g_value_unset (&value); + } + gst_structure_set_value (gst_caps_get_structure (caps, 0), + "streamheader", &array); + g_value_unset (&array); +} +#endif + +static GstCaps * +gst_schro_enc_get_caps (GstBaseVideoEncoder * base_video_encoder) +{ + GstCaps *caps; + const GstVideoState *state; + GstSchroEnc *schro_enc; + + schro_enc = GST_SCHRO_ENC (base_video_encoder); + + state = gst_base_video_encoder_get_state (base_video_encoder); + + if (schro_enc->output_format == GST_SCHRO_ENC_OUTPUT_OGG) { + caps = gst_caps_new_simple ("video/x-dirac", + "width", G_TYPE_INT, state->width, + "height", G_TYPE_INT, state->height, + "framerate", GST_TYPE_FRACTION, state->fps_n, + state->fps_d, + "pixel-aspect-ratio", GST_TYPE_FRACTION, state->par_n, + state->par_d, NULL); + + GST_BUFFER_FLAG_SET (schro_enc->seq_header_buffer, GST_BUFFER_FLAG_IN_CAPS); + + { + GValue array = { 0 }; + GValue value = { 0 }; + GstBuffer *buf; + int size; + + g_value_init (&array, GST_TYPE_ARRAY); + g_value_init (&value, GST_TYPE_BUFFER); + size = GST_BUFFER_SIZE (schro_enc->seq_header_buffer); + buf = gst_buffer_new_and_alloc (size + SCHRO_PARSE_HEADER_SIZE); + memcpy (GST_BUFFER_DATA (buf), + GST_BUFFER_DATA (schro_enc->seq_header_buffer), size); + GST_WRITE_UINT32_BE (GST_BUFFER_DATA (buf) + size + 0, 0x42424344); + GST_WRITE_UINT8 (GST_BUFFER_DATA (buf) + size + 4, + SCHRO_PARSE_CODE_END_OF_SEQUENCE); + GST_WRITE_UINT32_BE (GST_BUFFER_DATA (buf) + size + 5, 0); + GST_WRITE_UINT32_BE (GST_BUFFER_DATA (buf) + size + 9, size); + gst_value_set_buffer (&value, buf); + gst_buffer_unref (buf); + gst_value_array_append_value (&array, &value); + gst_structure_set_value (gst_caps_get_structure (caps, 0), + "streamheader", &array); + g_value_unset (&value); + g_value_unset (&array); + } + } else if (schro_enc->output_format == GST_SCHRO_ENC_OUTPUT_QUICKTIME) { + caps = gst_caps_new_simple ("video/x-qt-part", + "format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('d', 'r', 'a', 'c'), + "width", G_TYPE_INT, state->width, + "height", G_TYPE_INT, state->height, + "framerate", GST_TYPE_FRACTION, state->fps_n, + state->fps_d, + "pixel-aspect-ratio", GST_TYPE_FRACTION, state->par_n, + state->par_d, NULL); + } else if (schro_enc->output_format == GST_SCHRO_ENC_OUTPUT_AVI) { + caps = gst_caps_new_simple ("video/x-avi-part", + "format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('d', 'r', 'a', 'c'), + "width", G_TYPE_INT, state->width, + "height", G_TYPE_INT, state->height, + "framerate", GST_TYPE_FRACTION, state->fps_n, + state->fps_d, + "pixel-aspect-ratio", GST_TYPE_FRACTION, state->par_n, + state->par_d, NULL); + } else if (schro_enc->output_format == GST_SCHRO_ENC_OUTPUT_MPEG_TS) { + caps = gst_caps_new_simple ("video/x-mpegts-part", + "format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('d', 'r', 'a', 'c'), + "width", G_TYPE_INT, state->width, + "height", G_TYPE_INT, state->height, + "framerate", GST_TYPE_FRACTION, state->fps_n, + state->fps_d, + "pixel-aspect-ratio", GST_TYPE_FRACTION, state->par_n, + state->par_d, NULL); + } else if (schro_enc->output_format == GST_SCHRO_ENC_OUTPUT_MP4) { + caps = gst_caps_new_simple ("video/x-mp4-part", + "format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('d', 'r', 'a', 'c'), + "width", G_TYPE_INT, state->width, + "height", G_TYPE_INT, state->height, + "framerate", GST_TYPE_FRACTION, state->fps_n, + state->fps_d, + "pixel-aspect-ratio", GST_TYPE_FRACTION, state->par_n, + state->par_d, NULL); + } else { + g_assert_not_reached (); + } + + return caps; +} + + + + +static GstFlowReturn +gst_schro_enc_shape_output_ogg (GstBaseVideoEncoder * base_video_encoder, + GstVideoFrame * frame) +{ + GstSchroEnc *schro_enc; + int dpn; + int delay; + int dist; + int pt; + int dt; + guint64 granulepos_hi; + guint64 granulepos_low; + GstBuffer *buf = frame->src_buffer; + + schro_enc = GST_SCHRO_ENC (base_video_encoder); + + dpn = frame->decode_frame_number; + + pt = frame->presentation_frame_number * 2; + dt = frame->decode_frame_number * 2; + delay = pt - dt; + dist = frame->distance_from_sync; + + GST_DEBUG ("sys %d dpn %d pt %d dt %d delay %d dist %d", + (int) frame->system_frame_number, + (int) frame->decode_frame_number, pt, dt, delay, dist); + + granulepos_hi = (((uint64_t) pt - delay) << 9) | ((dist >> 8)); + granulepos_low = (delay << 9) | (dist & 0xff); + GST_DEBUG ("granulepos %lld:%lld", granulepos_hi, granulepos_low); + + if (frame->is_eos) { + GST_BUFFER_OFFSET_END (buf) = schro_enc->last_granulepos; + } else { + schro_enc->last_granulepos = (granulepos_hi << 22) | (granulepos_low); + GST_BUFFER_OFFSET_END (buf) = schro_enc->last_granulepos; + } + + gst_buffer_set_caps (buf, base_video_encoder->caps); + + return gst_pad_push (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder), buf); +} + +static GstFlowReturn +gst_schro_enc_shape_output_quicktime (GstBaseVideoEncoder * base_video_encoder, + GstVideoFrame * frame) +{ + GstBuffer *buf = frame->src_buffer; + const GstVideoState *state; + + state = gst_base_video_encoder_get_state (base_video_encoder); + + GST_BUFFER_TIMESTAMP (buf) = gst_video_state_get_timestamp (state, + frame->presentation_frame_number); + GST_BUFFER_DURATION (buf) = gst_video_state_get_timestamp (state, + frame->presentation_frame_number + 1) - GST_BUFFER_TIMESTAMP (buf); + GST_BUFFER_OFFSET_END (buf) = gst_video_state_get_timestamp (state, + frame->system_frame_number); + GST_BUFFER_OFFSET (buf) = GST_CLOCK_TIME_NONE; + + if (frame->is_sync_point && + frame->presentation_frame_number == frame->system_frame_number) { + GST_BUFFER_FLAG_UNSET (buf, GST_BUFFER_FLAG_DELTA_UNIT); + } else { + GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_DELTA_UNIT); + } + + gst_buffer_set_caps (buf, base_video_encoder->caps); + + return gst_pad_push (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder), buf); +} + +static GstFlowReturn +gst_schro_enc_shape_output_mp4 (GstBaseVideoEncoder * base_video_encoder, + GstVideoFrame * frame) +{ + GstBuffer *buf = frame->src_buffer; + const GstVideoState *state; + + state = gst_base_video_encoder_get_state (base_video_encoder); + + GST_BUFFER_TIMESTAMP (buf) = gst_video_state_get_timestamp (state, + frame->presentation_frame_number); + GST_BUFFER_DURATION (buf) = gst_video_state_get_timestamp (state, + frame->presentation_frame_number + 1) - GST_BUFFER_TIMESTAMP (buf); + GST_BUFFER_OFFSET_END (buf) = gst_video_state_get_timestamp (state, + frame->decode_frame_number); + GST_BUFFER_OFFSET (buf) = GST_CLOCK_TIME_NONE; + + GST_BUFFER_OFFSET_END (buf) = gst_video_state_get_timestamp (state, + frame->system_frame_number); + + if (frame->is_sync_point && + frame->presentation_frame_number == frame->system_frame_number) { + GST_BUFFER_FLAG_UNSET (buf, GST_BUFFER_FLAG_DELTA_UNIT); + } else { + GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_DELTA_UNIT); + } + + gst_buffer_set_caps (buf, base_video_encoder->caps); + + return gst_pad_push (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder), buf); +} + +static GstFlowReturn +gst_schro_enc_shape_output (GstBaseVideoEncoder * base_video_encoder, + GstVideoFrame * frame) +{ + GstSchroEnc *schro_enc; + + schro_enc = GST_SCHRO_ENC (base_video_encoder); + + switch (schro_enc->output_format) { + case GST_SCHRO_ENC_OUTPUT_OGG: + return gst_schro_enc_shape_output_ogg (base_video_encoder, frame); + case GST_SCHRO_ENC_OUTPUT_QUICKTIME: + return gst_schro_enc_shape_output_quicktime (base_video_encoder, frame); + case GST_SCHRO_ENC_OUTPUT_MP4: + return gst_schro_enc_shape_output_mp4 (base_video_encoder, frame); + default: + g_assert_not_reached (); + break; + } + + return GST_FLOW_ERROR; +} + +static GstFlowReturn +gst_schro_enc_process (GstSchroEnc * schro_enc) +{ + SchroBuffer *encoded_buffer; + GstVideoFrame *frame; + GstFlowReturn ret; + int presentation_frame; + void *voidptr; + GstBaseVideoEncoder *base_video_encoder = GST_BASE_VIDEO_ENCODER (schro_enc); + + GST_DEBUG ("process"); + + while (1) { + switch (schro_encoder_wait (schro_enc->encoder)) { + case SCHRO_STATE_NEED_FRAME: + return GST_FLOW_OK; + case SCHRO_STATE_END_OF_STREAM: + GST_DEBUG ("EOS"); + return GST_FLOW_OK; + case SCHRO_STATE_HAVE_BUFFER: + voidptr = NULL; + encoded_buffer = schro_encoder_pull_full (schro_enc->encoder, + &presentation_frame, &voidptr); + frame = voidptr; + if (encoded_buffer == NULL) { + GST_DEBUG ("encoder_pull returned NULL"); + /* FIXME This shouldn't happen */ + return GST_FLOW_ERROR; + } + + if (voidptr == NULL) { + GST_DEBUG ("got eos"); + frame = schro_enc->eos_frame; + } + + if (SCHRO_PARSE_CODE_IS_SEQ_HEADER (encoded_buffer->data[4])) { + frame->is_sync_point = TRUE; + } + + frame->src_buffer = gst_schro_wrap_schro_buffer (encoded_buffer); + + ret = gst_base_video_encoder_finish_frame (base_video_encoder, frame); + + if (ret != GST_FLOW_OK) { + GST_DEBUG ("pad_push returned %d", ret); + return ret; + } + break; + case SCHRO_STATE_AGAIN: + break; + } + } + return GST_FLOW_OK; +} |